Listed below are 3830 taxa included on NameThatPlant.net as of 10/19/21, using nomenclature preferred by the online PLANTS National Database. A plus sign indicates that the PLANTS National Database further divides that species into varieties or subspecies. Click the scientific name to link to information and (maybe) pictures!
1 - Abelia ×grandiflora [chinensis × uniflora] — Abelia
2 - Abelmoschus esculentus — Okra, Gumbo
3 - Abies alba — European Fir, Silver Fir
4 - Abies balsamea — Balsam Fir, Northern Balsam, Canada Balsam
5 - Abies fraseri — Fraser Fir, She Balsam, Southern Balsam
6 - Abutilon theophrasti — Velvetleaf, Indian Mallow, Butterprint
7 - Acacia farnesiana — Sweet Acacia, Huisache
8 - Acalypha gracilens — Slender Threeseed Mercury, Slender Copperleaf, Shortstalk Copperleaf
9 - Acalypha ostryifolia — Pineland Threeseed Mercury, Hophornbeam Copperleaf, Roughpod Copperleaf
10 - Acalypha rhomboidea — Common Threeseed Mercury, Rhombic Copperleaf
11 - Acalypha setosa — Cuban Copperleaf
12 - Acalypha virginica — Virginia Threeseed Mercury, Virginia Copperleaf, Shortstalk Copperleaf
13 - Acer barbatum — Southern Sugar Maple, Florida Maple
14 - Acer buergerianum — Trident Maple
15 - Acer ginnala — Amur Maple
16 - Acer leucoderme — Chalk Maple, Small Chalk Maple, White-bark Maple
17 - Acer negundo var. negundo — Box Elder, Ash-leaved Maple
18 - Acer nigrum — Black Maple
19 - Acer palmatum — Japanese Maple
20 - Acer pensylvanicum — Striped Maple, Moosewood
21 - Acer platanoides — Norway Maple
22 - Acer pseudoplatanus — Sycamore Maple, Planetree Maple
23 - Acer rubrum var. rubrum — Eastern Red Maple
24 - Acer rubrum var. trilobum — Carolina Red Maple, Trident Red Maple
25 - Acer saccharinum — Silver Maple, Soft Maple
26 - Acer saccharum var. saccharum — Sugar Maple, Hard Maple, Sugar-tree
27 - Acer spicatum — Mountain Maple
28 - Achillea millefolium var. millefolium — Yarrow, Thousandleaf
29 - Achillea millefolium var. occidentalis — American Yarrow, American Thousandleaf
30 - Achyranthes japonica var. hachijoensis — Japanese Chaff-flower
31 - Acmella oppositifolia var. repens — Spilanthes, Creeping Spotflower
32 - Aconitum reclinatum — Trailing Wolfsbane, White Monkshood, White Aconite
33 - Aconitum uncinatum + — Appalachian Blue Monkshood, Eastern Blue Monkshood
34 - Acorus americanus — Sweetflag, American Calamus
35 - Acorus calamus — European Sweetflag, European Calamus
36 - Acroptilon repens — Russian Knapweed
37 - Actaea pachypoda — Doll's-eyes, White Baneberry, White Cohosh
38 - Actaea podocarpa — Mountain Black Cohosh, American Cohosh, Late Black Cohosh
39 - Actaea racemosa + — Common Black Cohosh, Early Black Cohosh, Black Snakeroot
40 - Actinidia arguta — Hardy Kiwi, Tara Vine
41 - Actinidia chinensis var. deliciosa — Green Kiwi-fruit, Chinese Gooseberry
42 - Adiantum capillus-veneris — Southern Maidenhair Fern, Venus-hair Fern
43 - Adiantum pedatum — Northern Maidenhair Fern
44 - Adlumia fungosa — Climbing Fumitory, Allegheny Vine, Cliff-Harlequin
45 - Aegopodium podagraria — Goutweed, Bishop's Weed
46 - Aesculus flava — Yellow Buckeye
47 - Aesculus glabra var. glabra — Ohio Buckeye, Fetid Buckeye
48 - Aesculus hippocastanum — Horsechestnut
49 - Aesculus parviflora — Bottlebrush Buckeye
50 - Aesculus pavia var. pavia — Red Buckeye
51 - Aesculus sylvatica — Painted Buckeye
52 - Agalinis aphylla — Scaleleaf Gerardia, Scaleleaf Agalinis, Scaleleaf False Foxglove
53 - Agalinis fasciculata — Fascicled Purple Gerardia, Southeastern Agalinis, Beach False Foxglove, Fascicled Gerardia
54 - Agalinis fasciculata — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove
55 - Agalinis gattingeri — Gattinger's Gerardia, Midwestern Agalinis, Gattinger's Agalinis, Gattinger's False Foxglove
56 - Agalinis linifolia — Flaxleaf Gerardia, Scaleleaf Agalinis, Flaxleaf False Foxglove, Flaxleaf Agalinis
57 - Agalinis maritima var. grandiflora — Seaside Gerardia, Southern Saltmarsh Agalinis, Saltmarsh False Foxglove
58 - Agalinis obtusifolia — Bluntleaf Gerardia, Bluntleaf Agalinis, Bluntleaf False Foxglove, Tenlobe False Foxglove
59 - Agalinis obtusifolia — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove
60 - Agalinis purpurea — Purple Gerardia, Common Agalinis, Purple False Foxglove
61 - Agalinis setacea — Threadleaf Gerardia, Threadleaf Agalinis, Threadleaf False Foxglove, Sandhills Gerardia
62 - Agalinis tenuifolia var. tenuifolia — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia
63 - Agarista populifolia — Tall Fetterbush, Florida Leucothoe, Florida Hobblebush, Agarista
64 - Agastache nepetoides — Yellow Giant-hyssop
65 - Agastache scrophulariifolia — Purple Giant-hyssop
66 - Ageratina altissima var. altissima — Common White Snakeroot, Common Milk-poison
67 - Ageratina altissima var. roanensis — Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot
68 - Ageratina aromatica var. aromatica — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot
69 - Ageratum houstonianum — Ageratum, Floss-flower
70 - Agrimonia gryposepala — Common Agrimony
71 - Agrimonia incisa — Pineland Agrimony
72 - Agrimonia microcarpa — Low Agrimony, Small-fruited Agrimony
73 - Agrimonia parviflora — Southern Agrimony, Small-flowered Agrimony, Harvestlice
74 - Agrimonia pubescens — Downy Agrimony
75 - Agrimonia rostellata — Woodland Agrimony
76 - Agrimonia striata — Roadside Agrimony
77 - Agrostemma githago — Corncockle, Purple Cockle, Corn-campion
78 - Agrostis capillaris — Rhode Island Bentgrass, Colonial Bentgrass, Browntop
79 - Agrostis elliottiana — Elliott's Bentgrass, Southern Bentgrass
80 - Agrostis gigantea — Black Bentgrass, Redtop Bentgrass, Redtop
81 - Agrostis hyemalis — Ticklegrass, Small Bentgrass, Hairgrass, Winter Bentgrass
82 - Agrostis perennans — Autumn Bentgrass, Upland Bentgrass, Upland Bent
83 - Agrostis perennans — Coastal Bog Bentgrass
84 - Agrostis stolonifera — Creeping Bentgrass
85 - Ailanthus altissima — Ailanthus, Tree-of-heaven
86 - Aira caryophyllea — Silver Hairgrass
87 - Aira elegans — Elegant Hairgrass, Annual Silver Hairgrass
88 - Ajuga reptans — Carpet Bugle, Bugle-weed
89 - Akebia quinata — Five-leaf Akebia, Chocolate-vine
90 - Albizia julibrissin — Mimosa, Silktree
91 - Alcea rosea — Hollyhock
92 - Aldrovanda vesiculosa — Waterwheel-plant
93 - Aletris aurea — Golden Colicroot
94 - Aletris farinosa — Northern White Colicroot, White-star Grass, Stargrass, Mealy Colicroot
95 - Aletris lutea — Yellow Colicroot
96 - Aletris obovata — Southern White Colic-root
97 - Alisma subcordatum — Southern Water-plantain, American Water-plantain
98 - Alliaria petiolata — Garlic Mustard, Hedge Garlic
99 - Allium ampeloprasum — Wild Leek, Yorktown Onion
100 - Allium canadense var. canadense — Wild Onion, Meadow Garlic
101 - Allium canadense var. mobilense — Mobile Onion
102 - Allium cernuum var. cernuum — Nodding Onion, Nodding Wild Onion
103 - Allium cuthbertii — Cuthbert's Onion
104 - Allium cuthbertii — Keever’s Onion, Brushy Mountain Onion
105 - Allium sativum — Cultivated Garlic
106 - Allium speculae — Flatrock Onion
107 - Allium stellatum — Glade Onion, Prairie Onion
108 - Allium tricoccum — Ramps, Red Ramps, Rampscallions, Wild Leek
109 - Allium vineale ssp. vineale — Field Garlic, Wild Onion, Crow Garlic, Onion Grass
110 - Alnus glutinosa — Black Alder, European Alder
111 - Alnus incana ssp. rugosa — Speckled Alder
112 - Alnus maritima — Georgia Alder
113 - Alnus serrulata — Tag Alder, Hazel Alder, Smooth Alder
114 - Alnus viridis ssp. crispa — Green Alder, Mountain Alder
115 - Alopecurus carolinianus — Carolina Foxtail Grass
116 - Alternanthera philoxeroides — Alligator-weed
117 - Alternanthera sessilis — Sessile Joyweed
118 - Alysicarpus vaginalis — Alyce Clover
119 - Amaranthus australis — Southern Water-hemp, Southern Amaranth, Careless
120 - Amaranthus hybridus — Smooth Pigweed, Smooth Amaranth, Green Amaranth, Hybrid Amaranth
121 - Amaranthus palmeri — Careless-weed, Palmer's Amaranth
122 - Amaranthus polygonoides — Tropical Amaranth, Smartweed Amaranth
123 - Amaranthus pumilus — Seabeach Amaranth, Dwarf Amaranth
124 - Amaranthus spinosus — Spiny Amaranth
125 - Ambrosia artemisiifolia + — Annual Ragweed, Common Ragweed
126 - Ambrosia trifida var. trifida — Giant Ragweed, Great Ragweed
127 - Amelanchier arborea var. arborea — Downy Serviceberry, Sarvisberry
128 - Amelanchier canadensis — Eastern Serviceberry, Canadian Serviceberry
129 - Amelanchier laevis — Allegheny Serviceberry, Smooth Serviceberry
130 - Amelanchier obovalis — Coastal Plain Serviceberry, Pocosin Shadbush
131 - Amelanchier sanguinea var. sanguinea — Roundleaf Serviceberry, New England Serviceberry
132 - Amelanchier stolonifera — Running Serviceberry, Dwarf Serviceberry
133 - Amianthium muscitoxicum — Fly-poison
134 - Ammannia coccinea — Red Toothcup, Scarlet Toothcup, valley redstem
135 - Amorpha fruticosa — False Indigo, Tall Indigo-bush, False Indigo-bush
136 - Amorpha georgiana var. confusa — Savanna Indigo-bush
137 - Amorpha georgiana var. georgiana — Georgia Indigo-bush
138 - Amorpha glabra — Mountain Indigo-bush, Appalachian Indigo-bush, Mountain Indigo, Mountain False Indigo
139 - Amorpha herbacea var. herbacea — Leadplant, Dwarf Indigo-bush, Clusterspike Indigo-bush
140 - Amorpha schwerinii — Piedmont Indigo-bush
141 - Ampelaster carolinianus — Climbing Aster
142 - Ampelopsis arborea — Peppervine
143 - Ampelopsis brevipedunculata — Porcelain-berry, Amur Peppervine
144 - Ampelopsis cordata — American Ampelopsis, Raccoon-grape, False-grape
145 - Amphianthus pusillus — Pool-sprite, Snorkelwort, Little Amphianthus
146 - Amphicarpaea bracteata + — American Hog-peanut
147 - Amphicarpum purshii — Pinebarrens Peanut-grass, Pinebarrens Goober-grass, New Jersey Goober-grass
148 - Amsonia ciliata var. ciliata — Sandhills Bluestar, Fringed Bluestar
149 - Amsonia illustris — Swamp Bluestar, Ozark Bluestar
150 - Amsonia ludoviciana — Louisiana Bluestar
151 - Amsonia rigida — Stiff Bluestar, Pond Bluestar, Marsh Bluestar
152 - Amsonia tabernaemontana var. tabernaemontana — Eastern Bluestar, Blue Dogbane, Wideleaf Bluestar
153 - Anagallis arvensis ssp. arvensis — Scarlet Pimpernel, Poor Man's Weatherglass
154 - Anagallis minima — Chaffweed, False-pimpernel
155 - Anaphalis margaritacea — Pearly Everlasting
156 - Anchusa arvensis — Small Bugloss, Alkanet
157 - Anchusa officinalis — Common Bugloss, Alkanet, Bee Bread
158 - Andromeda polifolia var. glaucophylla — Bog-rosemary
159 - Andropogon capillipes — Dryland White Bluestem, Chalky Bluestem
160 - Andropogon capillipes — Wetland White Bluestem
161 - Andropogon floridanus — Florida Bluestem
162 - Andropogon gerardii — Big Bluestem, Turkeyfoot
163 - Andropogon glaucopsis — Chalky Bluestem, Purple Bluestem, Coastal Bluestem, Big Chalky Bluestem
164 - Andropogon glomeratus var. glomeratus — Common Bushy Bluestem, Bushy Beardgrass, Bog Broomsedge, Clustered Bluestem
165 - Andropogon glomeratus var. hirsutior — Savanna Bushy Bluestem, Hairy Bluestem
166 - Andropogon glomeratus var. pumilus — Maritime Bushy Bluestem, Bushy Beardgrass, Maritime Bluestem
167 - Andropogon gyrans var. gyrans — Elliott's Bluestem
168 - Andropogon gyrans var. stenophyllus — Narrowleaf Bluestem
169 - Andropogon longiberbis — Longbeard Bluestem
170 - Andropogon mohrii — Mohr's Bluestem, Tawny Bluestem, Bog Bluestem
171 - Andropogon ternarius var. ternarius — Splitbeard Bluestem, Silvery Bluestem
172 - Andropogon virginicus var. decipiens — Deceptive Bluestem, Deceptive Broomsedge
173 - Andropogon virginicus var. virginicus — Broomsedge, Broomsedge Bluestem, Old-field Broomstraw, "Sedge Grass"
174 - Anemone berlandieri — Eastern Prairie Anemone, Ten-petal Anemone, Southern Thimbleweed, Glade Windflower
175 - Anemone canadensis — Canada Anemone
176 - Anemone caroliniana — Carolina Anemone, Prairie Anemone
177 - Anemone lancifolia — Mountain Anemone, Lanceleaf Anemone
178 - Anemone quinquefolia var. quinquefolia — Wood Anemone
179 - Anemone virginiana var. virginiana — Thimbleweed, Tall Thimbleweed, Tall Anemone
180 - Angelica atropurpurea — Purple Angelica
181 - Angelica triquinata — Mountain Angelica, Filmy Angelica, Appalachian Angelica
182 - Angelica venenosa — Hairy Angelica, Downy Angelica, Deadly Angelica
183 - Antennaria howellii ssp. neodioica — Pussytoes
184 - Antennaria neglecta — Field Pussytoes
185 - Antennaria parlinii ssp. fallax — Big-head Pussytoes
186 - Antennaria parlinii ssp. parlinii — Parlin's Pussytoes
187 - Antennaria plantaginifolia — Plantainleaf Pussytoes, Plantain Pussytoes
188 - Antennaria solitaria — Solitary Pussytoes, Southern Singlehead Pussytoes
189 - Antennaria virginica — Shale Barren Pussytoes
190 - Anthemis arvensis — Corn Chamomile, Field Chamomile
191 - Anthemis cotula — Stinking Chamomile, Stinking Mayweed, Dog-fennel
192 - Anthoxanthum odoratum ssp. odoratum — Sweet Vernal Grass
193 - Anthriscus caucalis — Bur Chervil, Bur-parsley
194 - Anthriscus cerefolium — Garden Chervil
195 - Anthriscus sylvestris — Cow Chervil, Wild Chervil, Cow-parsley
196 - Antigonon leptopus — Love-chain, Queen's-jewels, Confederate-vine, Corallita
197 - Aphanes microcarpa — Parsley-piert, slender parsley piert
198 - Apios americana — American Groundnut
199 - Aplectrum hyemale — Puttyroot, Adam-and-Eve
200 - Apocynum ×floribundum [androsaemifolium × cannabinum] — Intermediate Dogbane
201 - Apocynum androsaemifolium — Spreading Dogbane
202 - Apocynum cannabinum — Indian-hemp, Hemp Dogbane, Marion's Weed
203 - Aquilegia canadensis — Eastern Columbine, Canada Columbine
204 - Aquilegia vulgaris — European Columbine, Garden Columbine
205 - Arabidopsis thaliana — Mouse-ear Cress
206 - Arabis canadensis — Canada Rockcress, Sicklepod
207 - Arabis georgiana — Georgia Rockcress
208 - Arabis glabra — Tower Mustard
209 - Arabis laevigata var. burkii — Burk's Smooth Rockcress, Porter's Rockcress
210 - Arabis laevigata var. laevigata — Common Smooth Rockcress
211 - Arabis lyrata — Lyreleaf Rockcress, Dwarf Rockcress
212 - Arabis missouriensis — Missouri Rockcress
213 - Arabis patens — Spreading Rockcress
214 - Arachis glabrata — Grassnut
215 - Arachis hypogaea — Peanut
216 - Aralia elata — Japanese Angelica Tree
217 - Aralia hispida — Bristly Sarsaparilla
218 - Aralia nudicaulis — Wild Sarsaparilla
219 - Aralia racemosa ssp. racemosa — Spikenard
220 - Aralia spinosa — Devil's Walkingstick, Hercules-club, Prickly Aralia, Prickly-ash
221 - Arctium lappa — Greater Burdock
222 - Arctium minus — Lesser Burdock
223 - Arctostaphylos uva-ursi — Bearberry, Kinnikinick
224 - Ardisia crenata — Coral Ardisia, Hen's Eyes, Coralberry, Marlberry
225 - Ardisia japonica — Japanese Ardisia, Marlberry
226 - Arenaria lanuginosa ssp. lanuginosa var. lanuginosa — Spreading Sandwort
227 - Arenaria serpyllifolia — Large Thymeleaf Sandwort
228 - Arenaria serpyllifolia — Lesser Thymeleaf Sandwort, Slender Sandwort
229 - Arethusa bulbosa — Bog-rose, Dragon's-mouth, Arethusa
230 - Argemone albiflora ssp. albiflora — White Prickly-poppy, Carolina Poppy
231 - Argemone mexicana — Mexican Prickly-poppy, Mexican Poppy
232 - Arisaema dracontium — Green Dragon
233 - Arisaema triphyllum ssp. pusillum — Small Jack in the Pulpit
234 - Arisaema triphyllum ssp. quinatum — Southern Jack in the Pulpit, Preacher John, Prester-John
235 - Arisaema triphyllum ssp. stewardsonii — Bog Jack in the Pulpit, Northern Jack in the Pulpit
236 - Arisaema triphyllum ssp. triphyllum — Common Jack in the Pulpit, Indian Turnip
237 - Arisaema triphyllum ssp. triphyllum — Florida Jack in the Pulpit
238 - Aristida beyrichiana — Southern Wiregrass
239 - Aristida condensata — Big Three-awn
240 - Aristida longespica var. longespica — Southeastern Slimspike Three-awn
241 - Aristida purpurascens var. purpurascens — Arrowfeather, Arrowfeather Three-awn
242 - Aristida spiciformis — Bottlebrush Three-awn, Spike Three-awn
243 - Aristida stricta — Carolina Wiregrass, Pineland Three-awn
244 - Aristida tuberculosa — Seabeach Needlegrass, Sandhills Three-awn, Seaside Three-awn
245 - Aristolochia elegans — Elegant Dutchman's Pipe, Calico Flower
246 - Aristolochia macrophylla — Dutchman's Pipe, Pipevine
247 - Aristolochia serpentaria — Turpentine-root, Virginia Snakeroot, Serpent Birthwort
248 - Aristolochia tomentosa — Woolly Pipevine, Woolly Dutchman's Pipe
249 - Arnica acaulis — Leopard's-bane, Southeastern Arnica
250 - Arnoglossum atriplicifolium — Pale Indian Plantain
251 - Arnoglossum diversifolium — Variable-leaf Indian Plantain
252 - Arnoglossum ovatum — Savanna Indian Plantain
253 - Arnoglossum ovatum — Broadleaf Indian Plantain, Ovateleaf Indian Plantain, Ovateleaf Cacalia
254 - Arnoglossum reniforme — Great Indian Plantain
255 - Artemisia ludoviciana ssp. ludoviciana — White Sagebrush, Prairie Sage
256 - Artemisia stelleriana — Beach Wormwood, Dusty Miller, Hoary Mugwort, Oldwoman
257 - Artemisia vulgaris var. vulgaris — Mugwort, Felon Herb
258 - Arthraxon hispidus — Basket Grass, Small Carpgrass, Hairy Jointgrass
259 - Arum italicum — Italian Arum, Italian Lords and Ladies
260 - Aruncus dioicus var. dioicus — Eastern Goatsbeard, Bride's Feathers
261 - Arundinaria appalachiana — Hill Cane
262 - Arundinaria gigantea — River Cane, Giant Cane
263 - Arundinaria tecta — Switch Cane, Small Cane, Mutton Grass
264 - Arundo donax — Giant Reed
265 - Asarum canadense — Canada Wild Ginger
266 - Asarum canadense — Acuminate Wild Ginger
267 - Asarum canadense — Reflexed Wild Ginger
268 - Asclepias amplexicaulis — Clasping Milkweed, Blunt-leaved Milkweed, Wavyleaf Milkweed
269 - Asclepias cinerea — Carolina Milkweed, Walter's Milkweed
270 - Asclepias connivens — Largeflower Milkweed
271 - Asclepias exaltata — Poke Milkweed, Tall Milkweed
272 - Asclepias hirtella — Barrens Milkweed
273 - Asclepias humistrata — Pinewoods Milkweed, Fleshy Milkweed
274 - Asclepias incarnata ssp. pulchra — Eastern Swamp Milkweed
275 - Asclepias lanceolata — Fewflower Milkweed, Red Milkweed
276 - Asclepias longifolia — Longleaf Milkweed, Savanna Milkweed
277 - Asclepias michauxii — Michaux's Milkweed
278 - Asclepias obovata — Pineland Milkweed, Green Milkweed
279 - Asclepias pedicellata — Stalked Milkweed, Savanna Milkweed
280 - Asclepias perennis — Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed
281 - Asclepias purpurascens — Purple Milkweed
282 - Asclepias quadrifolia — Fourleaf Milkweed
283 - Asclepias rubra — Purple Savanna Milkweed, Red Milkweed, Bog Milkweed
284 - Asclepias syriaca — Common Milkweed
285 - Asclepias tuberosa ssp. tuberosa — Butterfly Milkweed, Butterflyweed, Pleurisy Root, Wind Root
286 - Asclepias variegata — White Milkweed, Red-ring Milkweed
287 - Asclepias verticillata — Whorled Milkweed, Narrowleaf Milkweed
288 - Asclepias viridiflora — Green Milkweed
289 - Asclepias viridis — Green Antelope-horn, Spider Milkweed, Green Milkweed
290 - Asimina incana — Flag Pawpaw, Polecat Bush, Woolly Pawpaw
291 - Asimina parviflora — Small-flowered Pawpaw, Small-fruited Pawpaw, Dwarf Pawpaw
292 - Asimina reticulata — Netleaf Pawpaw
293 - Asimina triloba — Common Pawpaw, Indian-banana
294 - Asparagus aethiopicus — Sprenger’s Asparagus-fern, Emerald-fern
295 - Asparagus officinalis — Garden Asparagus, Sparrowgrass
296 - Asplenium Xheteroresiliens [heterochroum X resiliens] — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort
297 - Asplenium monanthes — Single-sorus Spleenwort, One-sorus Spleenwort
298 - Asplenium montanum — Mountain Spleenwort
299 - Asplenium pinnatifidum — Lobed Spleenwort
300 - Asplenium platyneuron + — Ebony Spleenwort
301 - Asplenium resiliens — Blackstem Spleenwort
302 - Asplenium rhizophyllum — Walking Fern
303 - Asplenium trichomanes ssp. trichomanes — Maidenhair Spleenwort
304 - Aster tataricus — Tatarian Aster
305 - Astilbe biternata — Appalachian False Goatsbeard
306 - Astragalus canadensis var. canadensis — Canada Milkvetch
307 - Astragalus michauxii — Sandhills Milkvetch, Michaux's Milkvetch
308 - Astranthium integrifolium ssp. integrifolium — Eastern Western-daisy, Entireleaf Western-daisy
309 - Astrolepis sinuata ssp. sinuata — Wavy Cloak Fern, Wavy Scaly Cloak Fern
310 - Athyrium filix-femina ssp. angustum — Northern Lady Fern
311 - Athyrium filix-femina ssp. asplenioides — Southern Lady Fern
312 - Atriplex patula — Spear Orach
313 - Atriplex prostrata — Thinleaf Orach, Fat-hen, Triangle Orach
314 - Aucuba japonica — Aucuba, Japanese-laurel, Spotted-laurel
315 - Aureolaria flava var. flava — Smooth False Foxglove, Eastern Smooth Oak-leach, Smooth Yellow False Foxglove
316 - Aureolaria laevigata — Appalachian Oak-leach, Smooth False Foxglove, Entireleaf Yellow False Foxglove
317 - Aureolaria patula — Cumberland Oak-leach, Spreading Yellow False Foxglove
318 - Aureolaria pectinata — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove
319 - Aureolaria pedicularia + — Fernleaf False Foxglove, Annual Oak-leach, Fernleaf Yellow False Foxglove
320 - Aureolaria virginica — Downy False Foxglove, Downy Oak-leach, Virginia Oak-leach, Downy Yellow False Foxglove
321 - Avena sativa — Domestic Oats
322 - Axonopus fissifolius — Common Carpetgrass
323 - Axonopus furcatus — Big Carpetgrass
324 - Azolla caroliniana — Carolina Mosquito-fern, Eastern Mosquito-fern, Water Fern
325 - Azolla filiculoides — Large Mosquito-fern
326 - Azolla pinnata ssp. asiatica — Pinnate Mosquito-fern, Asian Mosquito-fern, Feathered Mosquito-fern
327 - Baccharis angustifolia — False-willow, False Saltwater Willow, Saltwater False-willow
328 - Baccharis glomeruliflora — Silverling, Groundsel-tree
329 - Baccharis halimifolia — Groundsel-tree, Silverling, Consumption Weed, Sea Myrtle
330 - Bacopa caroliniana — Blue Water-hyssop, Sweet Water-hyssop, Carolina Water-hyssop, Lemon Bacopa
331 - Bacopa innominata — Tropical Water-hyssop
332 - Balduina angustifolia — Sandhill Honeycomb-head, Sandhill Balduina
333 - Balduina atropurpurea — Purple-disk Honeycomb-head, Bog Honeycomb-head, Purple Balduina, Purple Honeycomb-head
334 - Balduina uniflora — Savanna Honeycomb-head, Yellow Balduina, Oneflower Honeycomb-head
335 - Bambusa vulgaris — Common Bamboo
336 - Baptisia ×serenae [albescens × tinctoria] — a hybrid Wild Indigo
337 - Baptisia alba var. alba — Thick-pod White Wild Indigo
338 - Baptisia alba var. macrophylla — white wild indigo
339 - Baptisia albescens — Narrow-pod White Wild Indigo, Spiked Wild Indigo
340 - Baptisia arachnifera — Hairy Rattleweed, Hairy Wild Indigo
341 - Baptisia australis var. aberrans — Eastern Prairie Blue Wild Indigo, Glade Wild Indigo
342 - Baptisia australis var. australis — Tall Blue Wild Indigo, Streamside Blue Indigo
343 - Baptisia bracteata var. bracteata — Creamy Wild Indigo
344 - Baptisia bracteata var. leucophaea — longbract wild indigo
345 - Baptisia cinerea — Carolina Wild Indigo, Gray-hairy Wild Indigo
346 - Baptisia lanceolata var. lanceolata — Gopherweed, Lanceleaf Wild Indigo
347 - Baptisia megacarpa — Apalachicola Wild Indigo, Bigpod Wild Indigo
348 - Baptisia nuttalliana — Nuttall's wild indigo
349 - Baptisia perfoliata — Gopherweed, Catbells
350 - Baptisia tinctoria — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
351 - Barbarea verna — Early Winter-cress, Creasy
352 - Barbarea vulgaris — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy
353 - Bartonia verna — Spring Bartonia, White Bartonia, White Screwstem
354 - Bartonia virginica — Virginia Bartonia, Yellow Screwstem, Yellow Bartonia, Common Bartonia
355 - Batis maritima — Saltwort, Beachwort, Batis, Turtleweed
356 - Bejaria racemosa — Tarflower, Flycatcher
357 - Belamcanda chinensis — Blackberry-lily
358 - Berberis canadensis — American Barberry, Allegheny Barberry
359 - Berberis julianae — Evergreen Barberry, Wintergreen Barberry
360 - Berberis thunbergii — Japanese Barberry
361 - Berberis vulgaris — European Barberry, Common Barberry
362 - Berchemia scandens — Supplejack, American Rattan, Rattan-vine
363 - Berlandiera pumila var. pumila — Eastern Green-eyes
364 - Betula alleghaniensis var. alleghaniensis — Yellow Birch
365 - Betula lenta — Sweet Birch, Cherry Birch, Black Birch, "Mahogany"
366 - Betula nigra — River Birch, Red Birch
367 - Betula papyrifera var. cordifolia — Mountain Paper Birch
368 - Betula papyrifera var. papyrifera — Canoe Birch, Paper Birch
369 - Betula populifolia — Gray Birch, White Birch
370 - Bidens alba var. radiata — Hairy Beggarticks, Shepherd's Needles, White Beggarticks
371 - Bidens aristosa — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower
372 - Bidens aristosa — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower
373 - Bidens bipinnata — Spanish Needles
374 - Bidens cernua — Nodding Beggarticks, Nodding Bur-marigold
375 - Bidens frondosa — Devil's Beggarticks, Annual Beggarticks
376 - Bidens laevis — Showy Bur-marigold, Smooth Beggarticks
377 - Bidens mitis — Coastal Plain Tickseed-sunflower, Smallfruit Beggarticks
378 - Bidens pilosa — Hairy Beggarticks
379 - Bidens vulgata — Tall Beggarticks
380 - Bigelowia nuttallii — Nuttall's Rayless Goldenrod
381 - Bignonia capreolata — Crossvine
382 - Bischofia javanica — Japanese Bishopwood, Javawood, Toog, Uriam
383 - Blephilia ciliata — Diabase Woodmint, Horsemint, Downy Woodmint
384 - Blephilia hirsuta var. hirsuta — Hairy Woodmint
385 - Boehmeria cylindrica — False Nettle
386 - Boehmeria nivea — Ramie
387 - Boerhavia diffusa — Red Spiderling, Spreading Hogweed
388 - Boerhavia erecta — Erect Spiderling
389 - Boltonia asteroides var. asteroides — Eastern Doll's Daisy, White Doll's Daisy, False Aster, Boltonia
390 - Boltonia caroliniana — Carolina Doll's Daisy, Boltonia
391 - Boltonia diffusa var. diffusa — Southern Doll's Daisy, Boltonia, Smallhead Doll's-daisy
392 - Bommeria hispida — Copper Fern, Hispid Bommer Fern, Hairy Bommer
393 - Borrichia frutescens — Seaside Oxeye
394 - Botrychium biternatum — Southern Grapefern
395 - Botrychium dissectum — Cutleaf Grapefern, Dissected Grapefern
396 - Botrychium lunarioides — Winter Grapefern
397 - Botrychium matricariifolium — Daisyleaf Moonwort
398 - Botrychium simplex — Least Moonwort
399 - Botrychium virginianum — Rattlesnake Fern, Sang-find
400 - Bouteloua curtipendula var. curtipendula — Sideoats Grama
401 - Bowlesia incana — Hoary Bowlesia
402 - Boykinia aconitifolia — Brook-saxifrage, Eastern Boykinia, Allegheny Brookfoam, Aconite-saxifrage
403 - Brachyelytrum aristosum — Northern Shorthusk
404 - Brachyelytrum erectum — Bearded Shorthusk
405 - Brasenia schreberi — Water-shield, Purple Wen-dock
406 - Brassica juncea — Mustard Greens, Indian Mustard, Brown Mustard, Chinese Mustard
407 - Brassica napus — Rape, Canola, Rutabaga
408 - Brassica nigra — Black Mustard, Charlock
409 - Brassica rapa var. rapa — Turnip, Field Mustard, Field Rape, Chinese Cabbage
410 - Brickellia cordifolia — Heartleaf Brickellia, Flyr's False-boneset
411 - Brickellia eupatorioides var. eupatorioides — Eastern False-boneset, Eastern False-eupatorium, Eastern Kuhnia
412 - Briza minor — Lesser Quaking-grass
413 - Bromus arvensis — Japanese Chess, Japanese Brome
414 - Bromus arvensis — Field Brome
415 - Bromus catharticus — Rescue Grass
416 - Bromus hordeaceus ssp. hordeaceus — Soft Chess, Lopgrass, Soft Brome
417 - Bromus inermis ssp. inermis var. inermis — Smooth Brome, Hungarian Brome
418 - Bromus latiglumis — Riverbank Brome, Auricled Brome, Hairy Woodbrome, Earlyleaf Brome
419 - Bromus nottowayanus — Satin Brome, Virginia Brome, Nottoway River Brome
420 - Bromus pubescens — Hairy Woodland Brome, Common Eastern Brome, Canada Brome
421 - Bromus racemosus — Smooth Brome, Bald Brome
422 - Bromus racemosus — Hairy Chess, Meadow Brome
423 - Bromus secalinus — Cheat, Common Chess, Rye Brome
424 - Bromus sterilis — Poverty Brome, Barren Brome, Cheatgrass
425 - Bromus tectorum — Downy Brome, Downy Chess, Downy Cheat, Cheatgrass
426 - Broussonetia papyrifera — Paper Mulberry
427 - Brunnichia ovata — Buckwheat-vine, Eardrop-vine, Ladies Eardrops, Redvine
428 - Buchnera americana — Savanna Bluehearts, Florida Bluehearts, Buchnera
429 - Buchnera americana — American Bluehearts, Prairie Bluehearts, Plains Bluehearts
430 - Buckleya distichophylla — Buckleya, Piratebush
431 - Buddleja davidii — Orange-eye Butterflybush, Summer-lilac
432 - Buddleja lindleyana — Lindley's Butterflybush
433 - Buglossoides arvensis — Corn-gromwell
434 - Bulbostylis barbata — Old World Hairsedge, Water-grass
435 - Bulbostylis capillaris ssp. capillaris — Densetuft Hairsedge, Common Hairsedge
436 - Bulbostylis ciliatifolia var. ciliatifolia — Savannah Hairsedge, Capillary Hairsedge
437 - Bulbostylis ciliatifolia var. coarctata — Elliott's Hairsedge
438 - Bulbostylis stenophylla — Sandy-field Hairsedge
439 - Bulbostylis warei — Ware's Hairsedge
440 - Bupleurum rotundifolium — Hound's-ear, Hare's-ear, Roundleaf Thoroughwax
441 - Burmannia biflora — Violet Burmannia, Blue Burmannia, Northern Bluethread
442 - Butia capitata — Pindo Palm, South American Jelly Palm, Brazilian Butia
443 - Buxus sempervirens — Boxwood, Common Box
444 - Cabomba caroliniana + — Fanwort, Carolina Fanwort
445 - Caesalpinia bonduc — Gray Nicker, Holdback
446 - Cakile edentula ssp. harperi — Southeastern Sea Rocket, Harper's Searocket
447 - Calamagrostis coarctata — Nuttall's Reedgrass
448 - Calamagrostis epigeios — Bushgrass, Feathertop
449 - Calamagrostis porteri ssp. porteri — Porter's Reedgrass
450 - Calamintha nepeta ssp. nepeta — Lesser Calamint, Basil-thyme
451 - Callicarpa americana — American Beautyberry, French Mulberry, Beautybush
452 - Callicarpa dichotoma — Chinese Beautyberry, Purple Beautyberry
453 - Callicarpa japonica — Japanese Beautyberry
454 - Callirhoe pedata — Palmleaf Poppy-mallow
455 - Callisia graminea — Grassleaf Roseling, Pink Spiderwort, Slender Roseling
456 - Callisia rosea — Piedmont Roseling
457 - Callitriche heterophylla ssp. heterophylla — Waterstar, Common Water-starwort, Two-headed Water-starwort
458 - Callitriche stagnalis — Pond Water-starwort, European waterstarwort
459 - Calopogon barbatus — Bearded Grass-pink
460 - Calopogon multiflorus — Many-flowered Grass-pink
461 - Calopogon oklahomensis — Oklahoma Grass-pink
462 - Calopogon pallidus — Pale Grass-pink
463 - Calopogon tuberosus var. tuberosus — Common Grass-pink
464 - Caltha palustris var. palustris — Marsh-marigold, Cowslip
465 - Calycanthus floridus var. glaucus — Sweetshrub, Carolina Allspice, Strawberry-shrub, Sweet Bubby-bush
466 - Calycocarpum lyonii — Cupseed, Lyonia-vine
467 - Calyptocarpus vialis — Straggler-daisy, Lawnflower
468 - Calystegia catesbeiana — Blue Ridge Bindweed, Silky Bindweed, Downy False Bindweed
469 - Calystegia catesbeiana — Catesby's Bindweed, Catesby's False Bindweed
470 - Calystegia sepium ssp. americana — Northeastern Bindweed
471 - Calystegia sepium ssp. appalachiana — Appalachian Bindweed
472 - Calystegia sepium ssp. limnophila — Coastal Plain Bindweed
473 - Calystegia silvatica ssp. fraterniflora — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed
474 - Calystegia spithamaea ssp. purshiana — Shale Bindweed
475 - Calystegia spithamaea ssp. spithamaea — Low Bindweed, Upright Bindweed
476 - Camassia scilloides — Wild Hyacinth, Eastern Camas Lily, Quamash Lily
477 - Camellia japonica — Camellia
478 - Camellia sasanqua — Sasanqua, Sasanqua Camellia
479 - Camellia sinensis — Tea
480 - Campanula aparinoides — Marsh Bellflower, Bedstraw Bellflower
481 - Campanula aparinoides — marsh bellflower
482 - Campanula divaricata — Southern Harebell, Appalachian Bellflower
483 - Campanula rapunculoides — European Bellflower, Rampion Bellflower, Rover Bellflower, Creeping Bellflower
484 - Campanula rotundifolia — American Harebell, Bluebell, Bluebell-of-Scotland, Scotch Harebell
485 - Campanulastrum americanum — Tall Bellflower
486 - Campsis radicans — Trumpetcreeper, Trumpet Vine, Cow-Itch Vine
487 - Canna flaccida — Golden Canna, Yellow Canna, Indian Shot
488 - Cannabis sativa ssp. sativa var. sativa — Marijuana, Hemp
489 - Capsella bursa-pastoris — Common Shepherd's Purse
490 - Caragana arborescens — Siberian Pea Shrub
491 - Cardamine angustata — Eastern Slender Toothwort
492 - Cardamine bulbosa — Bulbous Bittercress, Spring Cress
493 - Cardamine clematitis — Mountain Bittercress, Clematis-leaved Bittercress
494 - Cardamine concatenata — Cutleaf Toothwort
495 - Cardamine diphylla — Broadleaf Toothwort, Crinkleroot, Pepperroot, Two-leaved Toothwort
496 - Cardamine dissecta — Dissected Toothwort, Fineleaf Toothwort, Forkleaf Toothwort
497 - Cardamine douglassii — Limestone Bittercress, Douglass's Bittercress, Purple Cress, Pink Spring-cress
498 - Cardamine flagellifera + — Blue Ridge Bittercress
499 - Cardamine flexuosa — Woodland Bittercress, Hidden Bittercress
500 - Cardamine hirsuta — Hairy Bittercress
501 - Cardamine impatiens — Narrowleaf Bittercress
502 - Cardamine micranthera — Streambank Bittercress, Small-anthered Bittercress
503 - Cardamine parviflora var. arenicola — Sand Bittercress, Small-flowered Bittercress
504 - Cardamine pensylvanica — Pennsylvania Bittercress, Quaker Bittercress
505 - Cardamine rotundifolia — Mountain Watercress, American Bittercress
506 - Cardiospermum halicacabum — Balloonvine, Love-in-a-puff, Heartseed
507 - Carduus acanthoides — Plumeless Thistle, Spiny Plumeless-thistle
508 - Carduus nutans — Nodding Thistle, Musk Thistle
509 - Carex abscondita — Thicket Sedge
510 - Carex albicans var. albicans — White-tinged Sedge, Architectural Sedge
511 - Carex albolutescens — Greenish-white Sedge
512 - Carex albursina — White Bear Sedge
513 - Carex amphibola — Eastern Narrowleaf Sedge
514 - Carex annectens — Yellow-fruited Sedge
515 - Carex appalachica — Appalachian Sedge
516 - Carex atlantica ssp. atlantica — Prickly Bog Sedge
517 - Carex austrocaroliniana — South Carolina Sedge, Tarheel Sedge
518 - Carex baileyi — Bailey's Sedge
519 - Carex basiantha — Southern Willdenow's Sedge, Widow Sedge
520 - Carex biltmoreana — Biltmore Sedge, Granite Dome Sedge
521 - Carex blanda — Eastern Woodland Sedge, Charming Sedge
522 - Carex bromoides ssp. bromoides — Common Brome Sedge, Brome-like Sedge
523 - Carex bromoides ssp. montana — Blue Ridge Brome Sedge
524 - Carex caroliniana — Carolina Sedge
525 - Carex cephalophora — Oval-leaf Sedge
526 - Carex cherokeensis — Cherokee Sedge, Wolftail Sedge
527 - Carex collinsii — Collins' Sedge
528 - Carex communis var. communis — Fibrous-rooted Sedge
529 - Carex complanata — Hirsute Sedge
530 - Carex corrugata — Prune-fruited Sedge
531 - Carex crawei — Crawe's Sedge
532 - Carex crinita var. crinita — Long-fringed Sedge, Drooping Sedge
533 - Carex debilis var. debilis — White-edge Sedge, Weak Sedge
534 - Carex debilis var. pubera — Allegheny Sedge
535 - Carex debilis var. rudgei — Flexuous White-edge Sedge, Rudge’s White-edge Sedge
536 - Carex decomposita — Cypress-knee Sedge, Epiphytic Sedge
537 - Carex digitalis + — Slender Woodland Sedge
538 - Carex flaccosperma — Meadow Sedge, Blue Wood Sedge, thinfruit sedge
539 - Carex folliculata — Northern Long Sedge
540 - Carex frankii — Frank's sedge
541 - Carex glaucescens — Blue Sedge, Southern Waxy Sedge
542 - Carex gracilescens — Slender Sedge, Slender Loose-flowered Sedge
543 - Carex granularis — Limestone Meadow Sedge, Corncob Sedge
544 - Carex gravida var. gravida — Heavy Sedge, Pregnant Sedge
545 - Carex grayi — Gray's Sedge
546 - Carex grisea — Inflated Narrowleaf Sedge, Wood Gray Sedge
547 - Carex gynandra — Mountain Fringed Sedge, Nodding Sedge
548 - Carex intumescens — Bladder Sedge, Pregnant Sedge
549 - Carex jamesii — James's Sedge
550 - Carex kobomugi — Japanese Sand Sedge, Japanese Beach Sedge, Sea Isle Sedge, Asiatic Sand Sedge
551 - Carex laevivaginata — Smooth-sheath Sedge
552 - Carex laxiculmis var. laxiculmis — Spreading Sedge
553 - Carex laxiflora + — Broad Loose-flowered Sedge
554 - Carex leptalea + — Harper’s Sedge, Bristly-stalk Sedge
555 - Carex longii — Long's Sedge
556 - Carex lupuliformis — False Hop Sedge
557 - Carex lupulina — Hop Sedge
558 - Carex lurida — Sallow Sedge
559 - Carex manhartii — Blue Ridge Purple Sedge, Manhart's Sedge
560 - Carex misera — Wretched Sedge
561 - Carex mitchelliana — Mitchell's Sedge
562 - Carex nigromarginata — Black-edged Sedge
563 - Carex oxylepis var. oxylepis — Sharp-scaled Sedge
564 - Carex pensylvanica — Pennsylvania Sedge, High Meadow Sedge
565 - Carex picta — Painted Sedge
566 - Carex pigra — Lazy Sedge
567 - Carex plantaginea — Seersucker Sedge, Plantainleaf Sedge
568 - Carex platyphylla — Broadleaf Sedge
569 - Carex prasina — Necklace Sedge, Drooping Sedge
570 - Carex purpurifera — Limestone Purple Sedge
571 - Carex radfordii — Radford's Sedge
572 - Carex radiata — Eastern Star Sedge
573 - Carex retroflexa — Reflexed Sedge
574 - Carex rosea — Rosy Sedge
575 - Carex scabrata — Eastern Rough Sedge
576 - Carex socialis — Low Woodland Sedge
577 - Carex striata var. striata — Walter’s Sedge, Pocosin Sedge
578 - Carex striatula — Lined Sedge
579 - Carex stricta — Tussock Sedge, Upright Sedge
580 - Carex styloflexa — Bent Sedge
581 - Carex superata — Limestone Forest Sedge
582 - Carex swanii — Swan's Sedge
583 - Carex torta — Twisted Sedge, Streambed Sedge
584 - Carex tribuloides var. tribuloides — Blunt Broom Sedge
585 - Carex typhina — Cattail Sedge
586 - Carex umbellata — Parasol Sedge
587 - Carex verrucosa — Warty Sedge
588 - Carex virescens — Ribbed Sedge
589 - Carex vulpinoidea var. vulpinoidea — Fox Sedge
590 - Carex willdenowii — Willdenow's Sedge
591 - Carex woodii — Wood's Sedge, Pretty Sedge
592 - Carphephorus bellidifolius — Sandhill Chaffhead, Carphephorus, Sandywoods Chaffhead
593 - Carphephorus corymbosus — Florida Paintbrush, Coastal Plain Chaffhead
594 - Carphephorus odoratissimus — Vanilla-leaf, Deer's-tongue, Pineland Purple
595 - Carphephorus paniculatus — Deer's-tongue, Hairy Chaffhead, Panicled Chaffhead
596 - Carphephorus tomentosus — Sticky Chaffhead, Woolly Chaffhead
597 - Carpinus caroliniana + — Musclewood, American Hornbeam, Blue-beech, Ironwood
598 - Carya alba — Mockernut Hickory, White Hickory
599 - Carya aquatica — Water Hickory, Bitter Pecan
600 - Carya carolinae-septentrionalis — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory
601 - Carya cordiformis — Bitternut Hickory
602 - Carya floridana — Scrub Hickory
603 - Carya glabra — Pignut Hickory
604 - Carya illinoinensis — Pecan
605 - Carya laciniosa — Big Shellbark Hickory, Kingnut Hickory
606 - Carya myristiciformis — Nutmeg Hickory
607 - Carya ovalis — Red Hickory, Sweet Pignut Hickory
608 - Carya ovata — Common Shagbark Hickory
609 - Carya pallida — Sand Hickory, Pale Hickory
610 - Carya texana — Black Hickory
611 - Cassytha filiformis — Dodder Laurel, Devil's Gut, Love-vine
612 - Castanea crenata — Japanese Chestnut
613 - Castanea dentata — American Chestnut
614 - Castanea mollissima — Chinese Chestnut
615 - Castanea pumila var. pumila — Common Chinquapin, Chinkapin, Allegheny Chinquapin
616 - Castanea sativa — Spanish Chestnut, European Chestnut
617 - Castilleja coccinea — Eastern Indian Paintbrush, Scarlet Indian Paintbrush
618 - Casuarina equisetifolia — Australian-pine, Horsetail Casuarina, Beach She-oak, Coastal She-oak
619 - Catalpa bignonioides — Southern Catalpa, Fishbait Tree, Cigar Tree
620 - Catalpa fargesii — Farges Catalpa
621 - Catalpa ovata — Chinese Catalpa
622 - Catalpa speciosa — Northern Catalpa, Indian Cigar Tree, Catawba Tree
623 - Catharanthus roseus — Madagascar Periwinkle, Rosy-periwinkle, Cayenne Jasmine
624 - Caulophyllum giganteum — Northern Blue Cohosh, Giant Blue Cohosh
625 - Caulophyllum thalictroides — Common Blue Cohosh, Papooseroot, Green Vivian
626 - Cayaponia quinqueloba — Five-lobed Cucumber, Melon-leaf Cucumber
627 - Cayratia japonica — Bushkiller, Sorrel Vine
628 - Ceanothus americanus — New Jersey Tea, Redroot
629 - Ceanothus herbaceus — Prairie Redroot
630 - Cedrus deodara — Deodar cedar
631 - Celastrus orbiculatus — Oriental Bittersweet
632 - Celastrus scandens — American Bittersweet
633 - Celtis laevigata — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry
634 - Celtis laevigata — Small's Hackberry
635 - Celtis occidentalis — Northern Hackberry
636 - Celtis sinensis — Chinese Hackberry
637 - Celtis tenuifolia — Georgia Hackberry, Dwarf Hackberry
638 - Cenchrus brownii — Slimbristle Sandspur
639 - Cenchrus longispinus — Northern Sandspur, Common Sandspur, ongbristle Sandbur
640 - Cenchrus spinifex — Coastal Sandspur
641 - Cenchrus tribuloides — Dune Sandbur, Dune Sandspur
642 - Centaurea ×moncktonii — Meadow Knapweed
643 - Centaurea cyanus — Bachelor's Buttons, Cornflower
644 - Centaurea diffusa — Tumble Knapweed
645 - Centaurea jacea — Brown Knapweed
646 - Centaurea melitensis — Maltese Star-thistle
647 - Centaurea nigra — Black Knapweed, Spanish-buttons
648 - Centaurea nigrescens — Tyrol Knapweed, Short-fringed Knapweed
649 - Centaurea stoebe ssp. micranthos — Spotted Knapweed, Bushy Knapweed
650 - Centella erecta — Centella, Erect Coinleaf, False Pennywort
651 - Centrosema virginianum — Climbing Butterfly-pea, Spurred Butterfly-pea
652 - Cephalanthus occidentalis — Buttonbush
653 - Cerastium brachypetalum — Gray Mouse-ear Chickweed, Gray Chickweed
654 - Cerastium fontanum ssp. vulgare — Mouse-ear Chickweed
655 - Cerastium glomeratum — Sticky Mouse-ear, Sticky Chickweed, Sticky Mouse-ear Chickweed
656 - Cerastium nutans var. nutans — Nodding Mouse-ear Chickweed, Nodding Chickweed
657 - Cerastium semidecandrum — Little Mouse-ear Chickweed, Fivestamen Chickweed
658 - Ceratiola ericoides — Florida Rosemary, Sandhill Rosemary, Sand Heath
659 - Cercis canadensis var. canadensis — Eastern Redbud, Judas Tree
660 - Chaenomeles speciosa — Common Flowering Quince
661 - Chaerophyllum tainturieri var. tainturieri — Southern Chervil, Wild Chervil, Hairyfruit Chervil
662 - Chamaecrista fasciculata var. fasciculata — Common Partridge-pea, Showy Partridge Pea
663 - Chamaecrista nictitans ssp. nictitans var. nictitans — Sensitive Partridge-pea, Common Sensitive-plant
664 - Chamaecyparis thyoides — Atlantic White Cedar, Juniper
665 - Chamaedaphne calyculata — Leatherleaf, Cassandra
666 - Chamaelirium luteum — Fairywand, Devil's Bit
667 - Chamaesyce bombensis — Southern Seaside Spurge, Dixie Sandmat
668 - Chamaesyce hirta — Pillpod Sandmat, Hairy Spurge
669 - Chamaesyce hypericifolia — graceful sandmat
670 - Chamaesyce hyssopifolia — Hyssopleaf Sandmat
671 - Chamaesyce maculata — Spotted Spurge, Milk-purslane, Wartweed, Spotted Sandmat
672 - Chamaesyce nutans — Eyebane, Nodding Spurge
673 - Chamaesyce polygonifolia — Dune Spurge, Northern Seaside Spurge, Northern Sandmat
674 - Chamerion angustifolium ssp. circumvagum — Great Willowherb, Fireweed
675 - Chaptalia tomentosa — Woolly Sunbonnets, Pineland Daisy, Night-nodding Bog-dandelion, Sunbonnets
676 - Chasmanthium latifolium — River Oats, Northern Sea Oats, Fish-on-a-Pole, Indian Woodoats
677 - Chasmanthium laxum — Slender Woodoats, Slender Spikegrass
678 - Chasmanthium sessiliflorum — Longleaf Woodoats, Longleaf Spikegrass, Upland Oats
679 - Cheilanthes alabamensis — Alabama Lipfern, Smooth Lipfern
680 - Cheilanthes lanosa — Hairy Lipfern
681 - Cheilanthes tomentosa — Woolly Lipfern
682 - Chelidonium majus var. majus — Greater Celandine, Rock-poppy, Swallow-wort
683 - Chelone cuthbertii — Cuthbert’s Turtlehead
684 - Chelone glabra — White Turtlehead
685 - Chelone lyonii — Mountain Turtlehead, Pink Turtlehead, Appalachian Turtlehead
686 - Chelone obliqua + — Purple Turtlehead
687 - Chenopodium album var. album — Lambsquarters, Pigweed
688 - Chimaphila maculata — Pipsissewa, Striped Wintergreen, Spotted Wintergreen
689 - Chimaphila umbellata ssp. cisatlantica — Prince's-pine, Pipsissewa
690 - Chionanthus virginicus — Fringetree, Grancy Graybeard, Old Man's Beard, Grandsir-graybeard
691 - Chrysogonum virginianum + — Green-and-gold
692 - Chrysoma pauciflosculosa — Woody Goldenrod, Bush Goldenrod
693 - Chrysopogon pauciflorus — Florida Goldbeard, Florida Rhaphis, Florida Beardgrass
694 - Chrysopsis gossypina ssp. gossypina — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster
695 - Chrysopsis mariana — Maryland Goldenaster
696 - Chrysopsis pilosa — Soft Goldenaster, Hairy Goldenaster
697 - Chrysopsis subulata — Scrubland Goldenaster
698 - Chrysosplenium americanum — Golden-saxifrage, Water-carpet, Water-mat
699 - Cichorium intybus — Chicory, Blue Sailors, Succory
700 - Cicuta maculata var. maculata — Water Hemlock, Spotted Cowbane
701 - Cicuta maculata var. maculata — Southern Water Hemlock
702 - Cinna arundinacea — Common Woodreed, Stout Woodreed, Sweet Woodreed
703 - Cinnamomum camphora — Camphortree
704 - Circaea alpina ssp. alpina — Alpine Enchanter's Nightshade, Smaller Enchanter's Nightshade
705 - Circaea lutetiana ssp. canadensis — Canada Enchanter's Nightshade
706 - Cirsium altissimum — Tall Thistle
707 - Cirsium arvense — Canada Thistle, Field Thistle
708 - Cirsium carolinianum — Carolina Thistle, Spring Thistle, Soft Thistle
709 - Cirsium discolor — Field Thistle
710 - Cirsium horridulum var. horridulum — Common Yellow Thistle, Purple Thistle, Bristle Thistle, Horrid Thistle
711 - Cirsium lecontei — LeConte's Thistle
712 - Cirsium muticum — Swamp Thistle
713 - Cirsium nuttallii — Coastal Tall Thistle, Nuttall's Thistle
714 - Cirsium pumilum — Pasture Thistle
715 - Cirsium repandum — Sandhill Thistle
716 - Cirsium virginianum — Virginia Thistle
717 - Cirsium vulgare — Bull Thistle
718 - Cissus trifoliata — Marine-ivy
719 - Citrullus lanatus var. lanatus — Watermelon
720 - Citrus ×aurantium [maxima × reticulata] — Sour Orange, Marmalade Orange, Sweet Orange, Bitter Orange
721 - Cladium mariscus ssp. jamaicense — Sawgrass
722 - Cladrastis kentukea — Kentucky Yellowwood, Gopherwood
723 - Claytonia caroliniana + — Carolina Spring-beauty
724 - Claytonia virginica + — Spring-beauty
725 - Cleistes bifaria — Appalachian Small Spreading Pogonia, Smaller Rosebud Orchid, Upland Spreading Pogonia
726 - Cleistes bifaria — Coastal Plain Small Spreading Pogonia
727 - Cleistes divaricata — Rosebud Orchid, Large Spreading Pogonia
728 - Clematis albicoma — White-haired Leatherflower
729 - Clematis catesbyana — Coastal Virgin's Bower, Satin-curls, Climbing Clematis
730 - Clematis crispa — Southern Leatherflower, Marsh Clematis, Swamp Leatherflower, Blue Jasmine
731 - Clematis flammula — Fragrant Clematis, Fragrant Virgin's Bower, Sweet-scented Virgin's Bower
732 - Clematis fremontii — Fremont's Leatherflower
733 - Clematis glaucophylla — White-leaved Leatherflower
734 - Clematis occidentalis var. occidentalis — Mountain Clematis, Purple Clematis
735 - Clematis ochroleuca — Curlyheads
736 - Clematis reticulata — Vase-vine
737 - Clematis socialis — Alabama Leatherflower
738 - Clematis terniflora — Sweet Autumn Clematis, Yam-leaved Clematis, Sweet Autumn Virgin's Bower
739 - Clematis versicolor — Pale Leatherflower
740 - Clematis viorna — Northern Leatherflower, Vase-vine
741 - Clematis virginiana — Virgin's Bower
742 - Clematis vitalba — Traveler’s Joy, Old Man's Beard
743 - Clematis viticaulis — Millboro Leatherflower
744 - Cleome hassleriana — Cleome, Spiderflower, Pinkqueen
745 - Cleome rutidosperma — Cleome, Fringed Spiderflower
746 - Clerodendrum bungei — Clerodendrum, Rose Glorybower
747 - Clerodendrum trichotomum var. ferrugineum — Harlequin Glorybower
748 - Clethra acuminata — Mountain Sweet-pepperbush, Cinnamonbark, Cinnamon Clethra, Mountain White-alder
749 - Clethra alnifolia — Coastal Sweet-pepperbush, Coastal White-alder
750 - Clethra alnifolia — Downy Sweet-pepperbush, Downy White-alder
751 - Cliftonia monophylla — Buckwheat-tree, Black Titi, Buckwheat-bush
752 - Clinopodium ashei — Ashe's Savory, Ashe's Calamint, Ohoopee Dunes Wild Basil
753 - Clinopodium coccineum — Scarlet Wild Basil, Scarlet Calamint, Red Mint Shrub
754 - Clinopodium georgianum — Georgia Savory, Georgia Basil, Georgia Calamint, False Peppermint
755 - Clinopodium gracile — Slender Wild Basil, Slender Calamint
756 - Clinopodium vulgare — Wild Basil
757 - Clintonia borealis — Bluebead-lily, Clinton's Lily, Yellow Clintonia, Yellow Bead Lily
758 - Clintonia umbellulata — Speckled Wood-lily, White Clintonia
759 - Clitoria mariana — Butterfly-pea
760 - Cnicus benedictus — Blessed Thistle
761 - Cnidoscolus urens var. stimulosus — Spurge-nettle, Tread-softly, Bull-nettle, Finger-rot
762 - Cocculus carolinus — Carolina Moonseed, Coralbeads, Carolina Snailseed, Red Moonseed
763 - Cocos nucifera — Coconut Palm
764 - Coelorachis rugosa — Wrinkled Jointgrass
765 - Coincya monensis ssp. recurvata — Wallflower-cabbage, Coincya, Star-mustard
766 - Collinsia verna — Eastern Blue-eyed Mary
767 - Collinsonia canadensis — Northern Horsebalm, Citronella, Canada Stoneroot, Canada Horsebalm
768 - Collinsonia serotina — Florida Horsebalm
769 - Collinsonia serotina — Southern Horsebalm, Anise Horsebalm
770 - Collinsonia tuberosa — Tuberous Horsebalm, Stoneroot, Deepwoods Horsebalm
771 - Collinsonia verticillata — Whorled Horsebalm
772 - Colocasia esculenta — Elephant's Ear, Taro, Dasheen
773 - Comandra umbellata ssp. umbellata — Eastern Bastard Toadflax
774 - Commelina benghalensis — Tropical Spiderwort, Benghal Dayflower
775 - Commelina caroliniana — Indian Dayflower
776 - Commelina communis — Asiatic Dayflower, Common Dayflower
777 - Commelina diffusa var. diffusa — Spreading Dayflower, Creeping Dayflower
778 - Commelina erecta var. angustifolia — Sand Dayflower, Pineland Dayflower, Slender Dayflower
779 - Commelina erecta var. erecta — Erect Dayflower, Slender Dayflower
780 - Commelina virginica — Virginia Dayflower
781 - Comptonia peregrina — Sweet-fern
782 - Conium maculatum — Poison Hemlock
783 - Conoclinium coelestinum — Mistflower, Wild Ageratum, Hardy Ageratum
784 - Conopholis americana — Squawroot, Bearcorn
785 - Conradina canescens — Gray Rosemary, Conradina
786 - Conradina glabra — Appalachicola Rosemary
787 - Conradina verticillata — Cumberland Rosemary
788 - Convallaria majalis — European Lily-of-the-valley
789 - Convallaria majuscula — American Lily-of-the-valley
790 - Convolvulus arvensis — Field Bindweed, Creeping Jenny, Possession-vine, Cornbind
791 - Conyza bonariensis — South American Horseweed, Hairy Fleabane
792 - Conyza canadensis var. canadensis — Common Horseweed
793 - Conyza canadensis var. pusilla — Southern Horseweed
794 - Coptis trifolia — Goldthread, Goldenroot, Threeleaf Goldthread
795 - Corallorhiza maculata — Eastern Spotted Coralroot
796 - Corallorhiza odontorhiza + — Autumn Coralroot
797 - Corallorhiza wisteriana — Spring Coralroot, Wister's Coralroot
798 - Coreopsis auriculata — Eared Coreopsis, Lobed Coreopsis, Eared Tickseed, Lobed Tickseed
799 - Coreopsis basalis — Texas Coreopsis, Golden-mane Tickseed
800 - Coreopsis delphiniifolia — Larkspur-leaf Tickseed, Larkspur Coreopsis
801 - Coreopsis falcata — Pool Coreopsis, Carolina Tickseed, Sickle Tickseed
802 - Coreopsis gladiata — Swamp Coreopsis, Swamp Tickseed, Coastal Plain Tickseed
803 - Coreopsis grandiflora var. grandiflora — Large-flowered Coreopsis, Largeflower Tickseed
804 - Coreopsis grandiflora var. harveyana — Large-flowered Coreopsis, Largeflower Tickseed
805 - Coreopsis lanceolata — Lanceleaf Coreopsis, Longstalk Coreopsis, Lanceleaf Tickseed
806 - Coreopsis latifolia — Broadleaf Coreopsis, Broadleaf Tickseed
807 - Coreopsis major — Whorled Coreopsis, Woodland Coreopsis
808 - Coreopsis major — Whorled Coreopsis, Stiffleaf Coreopsis, Greater Tickseed, Whorled Tickseed
809 - Coreopsis nudata — Swamp Coreopsis
810 - Coreopsis palmata — Prairie Coreopsis, Finger Coreopsis, Stiff Tickseed
811 - Coreopsis pubescens + — Hairy Coreopsis, Star Tickseed
812 - Coreopsis pulchra — Lookout Mountain Coreopsis
813 - Coreopsis rosea — Rose Coreopsis, Pink Tickseed
814 - Coreopsis tinctoria var. tinctoria — Plains Coreopsis, Calliopsis, Garden Coreopsis, Golden Tickseed
815 - Coreopsis tripteris — Tall Coreopsis, Tall Tickseed, Threeleaf Tickseed
816 - Coreopsis verticillata — Threadleaf Coreopsis, Cutleaf Tickseed, Whorled Tickseed
817 - Cornus alternifolia — Alternate-leaf Dogwood, Pagoda Dogwood, Pagoda Cornel
818 - Cornus amomum — Silky Dogwood, Bush Dogwood, Silky Cornel
819 - Cornus asperifolia — Eastern Roughleaf Dogwood
820 - Cornus canadensis — Bunchberry, Dwarf Dogwood, Dwarf Cornel
821 - Cornus drummondii — Midwestern Roughleaf Dogwood
822 - Cornus florida — Flowering Dogwood
823 - Cornus foemina — Southern Swamp Dogwood
824 - Cornus kousa — Kousa Dogwood
825 - Cornus racemosa — Northern Swamp Dogwood, Gray Dogwood
826 - Cornus sericea ssp. sericea — Red Osier Dogwood, Bailey's Dogwood
827 - Coronopus didymus — Wart-cress, Lesser Swine-cress
828 - Cortaderia selloana — Pampas Grass
829 - Corydalis flavula — Yellow Fumitory, Yellow Harlequin, Short-spurred Corydalis
830 - Corydalis incisa — Incised Fumewort, Purple Keman
831 - Corydalis micrantha ssp. australis — Southern Corydalis
832 - Corydalis micrantha ssp. micrantha — Slender Corydalis
833 - Corydalis sempervirens — Pale Corydalis, Rock Harlequin, Pink Corydalis, Tall Corydalis
834 - Corylus americana — American Hazelnut, American Filbert
835 - Corylus cornuta var. cornuta — Beaked Hazelnut
836 - Cotinus obovatus — American Smoketree
837 - Crataegus aemula — Rome Hawthorn
838 - Crataegus aestivalis — Mayhaw, Eastern Mayhaw, May Hawthorn
839 - Crataegus arrogans — Bristol Hawthorn
840 - Crataegus berberifolia — Barberry Hawthorn
841 - Crataegus brachyacantha — Blueberry Hawthorn
842 - Crataegus calpodendron — Pear Hawthorn
843 - Crataegus chrysocarpa — Margaret's Hawthorn, Fireberry Hawthorn
844 - Crataegus condigna — Pygmy Hawthorn
845 - Crataegus crus-galli — Cockspur Hawthorn
846 - Crataegus dispar — Aiken Hawthorn
847 - Crataegus disperma — Two-seed Hawthorn, Spreading Hawthorn
848 - Crataegus engelmannii — Engelmann's Hawthorn
849 - Crataegus flava — Rough Hawthorn, Southern Haw
850 - Crataegus flava — Alabama Hawthorn
851 - Crataegus flava — Sunny Hawthorn
852 - Crataegus flava — Yellow Hawthorn, Yellowleaf Hawthorn
853 - Crataegus flava — Ravenel's Hawthorn
854 - Crataegus flava — Lance’s Hawthorn
855 - Crataegus flava — Smooth Alabama Hawthorn, Montgomery Hawthorn
856 - Crataegus harbisonii — Ashe Hawthorn
857 - Crataegus harbisonii — Harbison's Hawthorn
858 - Crataegus integra — Lake Ella Hawthorn
859 - Crataegus intricata — Entangled Hawthorn
860 - Crataegus intricata — Buckley's Hawthorn
861 - Crataegus intricata — Boynton's Hawthorn
862 - Crataegus intricata — Pale-fruited Hawthorn, Birmingham Hawthorn, Pale Hawthorn
863 - Crataegus intricata — Biltmore Hawthorn
864 - Crataegus intricata — Bush Hawthorn
865 - Crataegus intricata — Little Red Hawthorn
866 - Crataegus intricata — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn
867 - Crataegus intricata — Yellow-fruited Entangled Hawthorn
868 - Crataegus iracunda — Forest Hawthorn, Stolon-bearing Hawthorn
869 - Crataegus lacrimata — Weeping Hawthorn
870 - Crataegus lanata — Lanate Hawthorn
871 - Crataegus limnophila — Narrowleaf Cockspur Hawthorn
872 - Crataegus macrosperma — Eastern Hawthorn
873 - Crataegus macrosperma — Balsam Mountain Hawthorn
874 - Crataegus marshallii — Parsley Hawthorn, Parsley Haw
875 - Crataegus mendosa — Albertville Hawthorn
876 - Crataegus mollis — Downy Hawthorn
877 - Crataegus monogyna — English Hawthorn, Singleseed Hawthorn, One-seeded Hawthorn
878 - Crataegus munda — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn
879 - Crataegus munda — Woolly Dwarf Hawthorn, Pexa Hawthorn
880 - Crataegus opaca — Western Mayhaw
881 - Crataegus pearsonii — Sandhill Hawthorn
882 - Crataegus pedicellata — Scarlet Hawthorn
883 - Crataegus pennsylvanica — Pennsylvania Hawthorn
884 - Crataegus phaenopyrum — Washington Hawthorn, Virginia Hawthorn
885 - Crataegus pruinosa — Frosted Hawthorn
886 - Crataegus pruinosa — Gattinger's Hawthorn
887 - Crataegus pulcherrima — Beautiful Hawthorn
888 - Crataegus pulcherrima — Broadleaved Beautiful Hawthorn
889 - Crataegus punctata — Dotted Hawthorn, White Hawthorn
890 - Crataegus rufula — Rufous Mayhaw, Florida Mayhaw
891 - Crataegus sargentii — Sargent's Hawthorn
892 - Crataegus sargentii — Red Mountain Hawthorn
893 - Crataegus schuettei — Schuette's Hawthorn
894 - Crataegus spathulata — Littlehip Hawthorn, Spatulate Haw
895 - Crataegus succulenta — Fleshy Hawthorn
896 - Crataegus succulenta — New River Hawthorn
897 - Crataegus triflora — Threeflower Hawthorn
898 - Crataegus uniflora — Oneflower Hawthorn, Dwarf Haw
899 - Crataegus vailiae — Vail’s Hawthorn
900 - Crataegus viridis var. viridis — Green Hawthorn, Greenhaw
901 - Crepis capillaris — Smooth Hawksbeard
902 - Crepis pulchra — Smallflower Hawksbeard
903 - Crinum americanum — Southern Swamp-lily, String Lily, Seven-sisters
904 - Croptilon divaricatum — Scratch-daisy, Goldenweed, Slender Scratch-daisy
905 - Crossopetalum ilicifolium — Holly-leaf Rhacoma, Christmasberry, Quailberry
906 - Crotalaria ochroleuca — Slenderleaf Rattlebox
907 - Crotalaria pallida var. obovata — Smooth Rattlebox
908 - Crotalaria purshii — Coastal Plain Rattlebox, Pursh's Rattlebox
909 - Crotalaria rotundifolia — Low Rattlebox, Rabbitbells
910 - Crotalaria rotundifolia — Low Rattlebox, Rabbitbells
911 - Crotalaria sagittalis — Arrowhead Rattlebox
912 - Crotalaria spectabilis — Showy Rattlebox
913 - Croton alabamensis var. alabamensis — Alabama Croton
914 - Croton argyranthemus — Silver Croton, Sandhill Croton, Healing Croton
915 - Croton capitatus var. capitatus — Woolly Croton, Hogwort, Capitate Croton
916 - Croton elliottii — Elliott's Croton, Pondshore Croton
917 - Croton glandulosus var. septentrionalis — Doveweed, Tooth-leaved Croton, Sand Croton
918 - Croton michauxii var. elliptica — Outcrop Rushfoil, Willdenow's Croton, Glade Rushfoil, Broadleaf Rushfoil
919 - Croton michauxii var. michauxii — Sand Rushfoil, Michaux's Croton, Narrowleaf Rushfoil
920 - Croton monanthogynus — Prairie-tea Croton, One-seed Croton
921 - Croton punctatus — Silverleaf Croton, Gulf Croton, Beach-tea
922 - Cruciata pedemontana — Piedmont Crosswort, Piedmont Bedstraw
923 - Cryptotaenia canadensis — Honewort
924 - Ctenium aromaticum — Toothache Grass, Orange Grass
925 - Ctenium floridanum — Florida Toothache Grass, Florida orangegrass
926 - Cucumis melo — Canteloupe, Muskmelon
927 - Cucumis sativus — Cucumber
928 - Cucurbita pepo var. ovifera — Crookneck Squash, Straightneck Squash, Acorn Squash, Spaghetti Squash
929 - Cucurbita pepo var. pepo — Pumpkin, Zucchini, Ornamental Gourd, Vegetable Marrow
930 - Cudrania tricuspidata — Cudrania, Strawberry-bush, Chinese Che
931 - Cunila origanoides — Stone-mint, American Dittany, Wild-oregano
932 - Cuphea carthagenensis — Colombian Waxweed
933 - Cuphea viscosissima — Clammy Cuphea, Blue Waxweed
934 - Cupressus arizonica — Arizona Cypress
935 - Cuscuta cephalanthi — Buttonbush Dodder
936 - Cuscuta compacta var. compacta — Compact Dodder
937 - Cuscuta coryli — Hazel Dodder
938 - Cuscuta gronovii var. gronovii — Common Dodder
939 - Cuscuta harperi — Harper's Dodder
940 - Cuscuta indecora + — Bigseed Alfalfa Dodder
941 - Cuscuta japonica — Japanese Dodder
942 - Cuscuta obtusiflora var. glandulosa — Glandular Dodder
943 - Cuscuta pentagona var. pentagona — Five-angled Dodder
944 - Cuscuta pentagona var. pentagona — Field Dodder, Prairie Dodder, Golden Dodder
945 - Cuscuta polygonorum — Smartweed Dodder
946 - Cuscuta rostrata — Appalachian Dodder, Beaked Dodder
947 - Cuscuta suaveolens — Fringed Dodder
948 - Cycas revoluta — Sago-palm
949 - Cyclospermum leptophyllum — Marsh-parsley
950 - Cymophyllus fraserianus — Fraser's Sedge, Lily-leaf Sedge
951 - Cynanchum angustifolium — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort
952 - Cynanchum laeve — Bluevine, Sandvine, Honeyvine
953 - Cynanchum louiseae — Black Swallow-wort, Dog-Strangling Vine
954 - Cynanchum scoparium — Leafless Swallow-wort, Cynanchum
955 - Cynodon dactylon — Bermuda Grass, Scotch Grass
956 - Cynoglossum officinale — Hound's-tongue, Garden Comfrey
957 - Cynoglossum virginianum var. virginianum — Southern Wild Comfrey, Southern Hound’s-tongue
958 - Cyperus articulatus — jointed flatsedge
959 - Cyperus compressus — Poorland Flatsedge
960 - Cyperus croceus — Baldwin's Flatsedge
961 - Cyperus difformis — Variable Flatsedge, Smallflower Umbrella Sedge
962 - Cyperus echinatus — Roundhead Flatsedge, Globe Flatsedge
963 - Cyperus entrerianus — Deep-rooted Sedge, Woodrush Flatsedge
964 - Cyperus erythrorhizos — Redroot Flatsedge
965 - Cyperus esculentus var. leptostachyus — Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond
966 - Cyperus flavescens — Yellow Flatsedge
967 - Cyperus granitophilus — Granite Flatsedge
968 - Cyperus involucratus — Umbrella Plant
969 - Cyperus iria — Rice-field Flatsedge
970 - Cyperus lancastriensis — Many-flowered Flatsedge
971 - Cyperus lupulinus + — Great Plains Flatsedge
972 - Cyperus lupulinus ssp. lupulinus — Southeastern Flatsedge
973 - Cyperus odoratus — Fragrant Flatsedge
974 - Cyperus odoratus — Slender Sand Flatsedge, Engelmann's Flatsedge
975 - Cyperus plukenetii — Starburst Flatsedge, Plukenet’s Flatsedge, Plukenet’s Sedge
976 - Cyperus retrofractus — Rough Flatsedge
977 - Cyperus retrorsus var. retrorsus — Pineland Flatsedge, Pine-barren Flatsedge
978 - Cyperus rotundus — Purple Nutsedge, Nutgrass, Cocograss
979 - Cyperus squarrosus — Awned Flatsedge, Bearded Flatsedge
980 - Cyperus strigosus — False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge
981 - Cyperus virens — Green Flatsedge
982 - Cypripedium acaule — Pink Lady's Slipper, Mocassin Flower
983 - Cypripedium candidum — White Lady's Slipper
984 - Cypripedium kentuckiense — Kentucky Yellow Lady's Slipper
985 - Cypripedium parviflorum var. parviflorum — Small Yellow Lady's Slipper
986 - Cypripedium parviflorum var. pubescens — Large Yellow Lady's Slipper
987 - Cypripedium reginae — Showy Lady's Slipper, Queen Lady's Slipper
988 - Cyrilla racemiflora — Titi, Swamp Cyrilla, Leatherwood
989 - Cyrtomium falcatum — Japanese Holly-fern, Asian Net-veined Holly Fern
990 - Cyrtomium fortunei — Fortune's Holly-fern, Fortune's Net-veined Holly Fern
991 - Cystopteris bulbifera — Bulblet Bladder Fern, Bulblet Fern
992 - Cystopteris fragilis — Fragile Fern, Brittle Fern, Brittle Bladder Fern
993 - Cystopteris protrusa — Lowland Bladder Fern, Spreading Bladder Fern
994 - Cystopteris tennesseensis — Tennessee Bladder Fern
995 - Cystopteris tenuis — Mackay's Bladder Fern, Mackay's Fragile Fern, Upland Bladder Fern
996 - Cytisus scoparius var. scoparius — Scotch Broom
997 - Dactylis glomerata + — Orchard Grass
998 - Dactyloctenium aegyptium — Crowfoot Grass
999 - Dactylorhiza viridis — Longbract Frog Orchid, Long-bracted Orchid
1000 - Dalea carnea var. albida — White-tassels
1001 - Dalea carnea var. carnea — Pink-tassels
1002 - Dalea carnea var. gracilis — Sprawling White-tassels
1003 - Dalea gattingeri — Gattinger's Prairie-clover, Purple-tassels
1004 - Dalea pinnata var. pinnata — Summer Farewell, Eastern Prairie-clover
1005 - Dalea pinnata var. trifoliata — Summer Farewell
1006 - Dalea purpurea var. purpurea — Purple Prairie-clover
1007 - Dalibarda repens — Robin-runaway, Star-violet, Dewdrop
1008 - Danthonia compressa — Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback
1009 - Danthonia epilis — Bog Oatgrass
1010 - Danthonia sericea — Silky Oatgrass, Downy Oatgrass
1011 - Danthonia spicata — Poverty Oatgrass, Moonshine Grass
1012 - Dasistoma macrophylla — Mullein Foxglove
1013 - Datura stramonium — Jimsonweed
1014 - Daucus carota — Queen Anne's Lace, Wild Carrot, Bird's Nest
1015 - Daucus pusillus — American Queen Anne's Lace, American Wild Carrot
1016 - Decodon verticillatus — Water-oleander, Water-willow, Swamp Loosestrife, Peatweed
1017 - Decumaria barbara — Climbing Hydrangea, Woodvamp, Decumaria
1018 - Delphinium carolinianum ssp. calciphilum — Glade Larkspur
1019 - Delphinium carolinianum ssp. carolinianum — Prairie Larkspur, Carolina Larkspur, Blue Larkspur
1020 - Delphinium exaltatum — Tall Larkspur
1021 - Delphinium tricorne — Dwarf Larkspur
1022 - Dennstaedtia punctilobula — Hay-scented Fern, Pasture Fern, Boulder Fern
1023 - Deparia acrostichoides — Silvery Glade Fern, Silvery Spleenwort
1024 - Deparia petersonii — Japanese false spleenwort
1025 - Deschampsia cespitosa — Tufted Hairgrass
1026 - Deschampsia flexuosa var. flexuosa — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass
1027 - Descurainia pinnata ssp. pinnata — Southeastern Tansy-mustard
1028 - Desmanthus illinoensis — Illinois Bundleflower, Prairie Mimosa
1029 - Desmodium canescens — Hoary Tick-trefoil
1030 - Desmodium ciliare + — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil
1031 - Desmodium cuspidatum var. cuspidatum — Long-bracted Tick-trefoil, Toothed Tick-trefoil, Largebract Tick-trefoil
1032 - Desmodium fernaldii — Fernald's Tick-trefoil
1033 - Desmodium floridanum — Florida Tick-trefoil
1034 - Desmodium glabellum — Tall Tick-trefoil, Dillen's Tick-trefoil
1035 - Desmodium glutinosum — Heartleaf Tick-trefoil, Clusterleaf Tick-trefoil, Pointedleaf Tick-Trefoil
1036 - Desmodium laevigatum — Smooth Tick-trefoil
1037 - Desmodium lineatum — Matted Tick-trefoil, Sand Tick-trefoil
1038 - Desmodium marilandicum — Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil
1039 - Desmodium nudiflorum — Naked Tick-trefoil, Naked-flowered Tick Trefoil, Woodland Tick-trefoil
1040 - Desmodium nuttallii — Nuttall's Tick-trefoil
1041 - Desmodium obtusum — Stiff Tick-trefoil
1042 - Desmodium paniculatum var. paniculatum — Panicled Tick-trefoil
1043 - Desmodium pauciflorum — Fewflower Tick-trefoil
1044 - Desmodium perplexum — Perplexing Tick-trefoil, Dillen's Tick-trefoil
1045 - Desmodium rotundifolium — Roundleaf Tick-trefoil, Dollarleaf, Prostrate Tick-trefoil, Sessileleaf Tick-trefoil
1046 - Desmodium sessilifolium — Sessile-leaf Tick-trefoil
1047 - Desmodium strictum — Pinebarren Tick-trefoil, Pineland Tick-trefoil, Upland Slender Tick-trefoil
1048 - Desmodium tenuifolium — Slimleaf Tick-trefoil, Savanna Slender Tick-trefoil
1049 - Desmodium tortuosum — Florida Tick-trefoil, dixie tick-trefoil
1050 - Desmodium viridiflorum — Velvety Tick-trefoil, Velvety Tick-clover
1051 - Deutzia scabra — Deutzia, Pride-of-Rochester, Fuzzy Pride-of-Rochester
1052 - Diamorpha smallii — Elf-orpine
1053 - Dianthus armeria — Deptford Pink
1054 - Dicentra canadensis — Squirrel Corn
1055 - Dicentra cucullaria — Dutchman's Britches
1056 - Dicentra eximia — Wild Bleeding Heart
1057 - Dicerandra linearifolia + — coastal plain balm
1058 - Dicerandra odoratissima — Rose Dicerandra, Rose Balm
1059 - Dichanthelium aciculare — Needleleaf Witchgrass, Needleleaf Rosette Grass
1060 - Dichanthelium aciculare — Narrowleaf Witchgrass
1061 - Dichanthelium aciculare — Sandy Woods Witchgrass
1062 - Dichanthelium aciculare — Spindle-fruit Witchgrass
1063 - Dichanthelium aciculare — Nerved Witchgrass
1064 - Dichanthelium aciculare — Pineland Witchgrass
1065 - Dichanthelium acuminatum var. acuminatum — Woolly Witchgrass, Woolly Rosette Grass, Tapered Rosette Grass
1066 - Dichanthelium acuminatum var. acuminatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
1067 - Dichanthelium acuminatum var. lindheimeri — Lindheimer's Witchgrass
1068 - Dichanthelium boscii — Bosc's Witchgrass, Bosc's Panicgrass
1069 - Dichanthelium clandestinum — Deer-tongue Witchgrass
1070 - Dichanthelium commutatum — Variable Witchgrass
1071 - Dichanthelium depauperatum — Starved Witchgrass, Starved Panicgrass
1072 - Dichanthelium dichotomum var. dichotomum — Forked Witchgrass, Cypress Witchgrass
1073 - Dichanthelium dichotomum var. dichotomum — Ringed Witchgrass
1074 - Dichanthelium dichotomum var. dichotomum — Blue Witchgrass
1075 - Dichanthelium dichotomum var. dichotomum — Mattamuskeet Witchgrass
1076 - Dichanthelium dichotomum var. dichotomum — Bog Witchgrass
1077 - Dichanthelium dichotomum var. dichotomum — Witchgrass
1078 - Dichanthelium dichotomum var. dichotomum — Peaty Witchgrass
1079 - Dichanthelium dichotomum var. dichotomum — Spotted-sheath Witchgrass
1080 - Dichanthelium dichotomum var. dichotomum — Small-fruited Witchgrass
1081 - Dichanthelium dichotomum var. dichotomum — Shining Witchgrass
1082 - Dichanthelium dichotomum var. dichotomum — Roanoke Witchgrass
1083 - Dichanthelium erectifolium — Erectleaf Witchgrass, Erectleaf Panicgrass
1084 - Dichanthelium latifolium — Broadleaf Rosette Grass, Broadleaf Witchgrass
1085 - Dichanthelium laxiflorum — Open-flower Witchgrass, Open-flower Rosette Grass
1086 - Dichanthelium longiligulatum — Long-ligule Witchgrass, Coastal Plain Witchgrass
1087 - Dichanthelium oligosanthes var. oligosanthes — Few-flowered Witchgrass, Heller's Witchgrass
1088 - Dichanthelium ravenelii — Ravenel's Witchgrass, Ravenel's Panicum
1089 - Dichanthelium sabulorum var. thinium — American Witchgrass
1090 - Dichanthelium scabriusculum — Tall Swamp Witchgrass
1091 - Dichanthelium scoparium — Velvet Witchgrass, Velvet Panicum
1092 - Dichanthelium sphaerocarpon — Round-fruited Witchgrass, Roundseed Witchgrass
1093 - Dichanthelium sphaerocarpon var. isophyllum — Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass
1094 - Dichanthelium strigosum var. glabrescens — Hairless Witchgrass
1095 - Dichanthelium strigosum var. leucoblepharis — Dwarf Witchgrass
1096 - Dichanthelium strigosum var. strigosum — Rough-hairy Witchgrass
1097 - Dichanthelium villosissimum var. villosissimum — Whitehair Witchgrass
1098 - Dichondra carolinensis — Carolina Ponyfoot
1099 - Dicliptera brachiata — Branched Foldwing, Dicliptera
1100 - Didiplis diandra — Water-purslane
1101 - Diervilla lonicera — Northern Bush-honeysuckle
1102 - Diervilla rivularis — Hairy Southern Bush-honeysuckle, Mountain Bush-honeysuckle
1103 - Diervilla sessilifolia — Smooth Southern Bush-honeysuckle
1104 - Digitalis purpurea + — Common Foxglove, Digitalis, Purple Foxglove
1105 - Digitaria bicornis — Asian crabgrass
1106 - Digitaria ciliaris — Southern Crabgrass
1107 - Digitaria filiformis — slender crabgrass
1108 - Digitaria ischaemum — Smooth Crabgrass
1109 - Digitaria sanguinalis — Hairy Crabgrass, Northern Crabgrass
1110 - Digitaria violascens — violet crabgrass
1111 - Dioclea multiflora — Cluster-pea, Boykin's Clusterpea
1112 - Diodia teres + — Poor-joe, Rough Buttonweed
1113 - Diodia virginiana + — Virginia Buttonweed
1114 - Dionaea muscipula — Venus Flytrap, Meadow Clam
1115 - Dioscorea alata — Water Yam, White Yam, Great Yam, Winged Yam
1116 - Dioscorea bulbifera — Air Yam, Air Potato
1117 - Dioscorea oppositifolia — Cinnamon Vine, Chinese Yam
1118 - Dioscorea quaternata — Whorled Wild Yam, Fourleaf Yam
1119 - Dioscorea villosa — Common Wild Yam, Streamhead Yam, Yellow Yam
1120 - Diospyros kaki — Japanese Persimmon, Kaki-plum, Kaki
1121 - Diospyros virginiana — American Persimmon, Common Persimmon, Simmon
1122 - Diphylleia cymosa — Umbrella-leaf, Pixie-parasol
1123 - Diplazium pycnocarpon — Glade Fern
1124 - Dipsacus fullonum — Wild Teasel, Common Teasel
1125 - Dipsacus laciniatus — Cutleaf Teasel
1126 - Dipsacus sativus — Fuller's Teasel
1127 - Dirca palustris — Eastern Leatherwood, Leatherbark, Wicopee, Rope-bark
1128 - Ditrysinia fruticosa — Sebastian-bush
1129 - Dodecatheon meadia ssp. meadia — Eastern Shooting Star
1130 - Doellingeria infirma — Appalachian Flat-topped White Aster, Cornel-leaf Aster
1131 - Doellingeria sericocarpoides — Pocosin Flat-top Aster, Southern Whitetop, Streamhead Flat-top Aster, Southern Flat-top Aster
1132 - Doellingeria umbellata var. umbellata — Tall Flat-top White Aster, Tall Whitetop Aster, Tall Flat-top Aster
1133 - Draba aprica — Flatrock Draba, Open-ground Whitlow-grass, Granite Whitlow-wort, Sun-loving Draba
1134 - Draba brachycarpa — Shortpod Draba, Short-fruited Draba
1135 - Draba ramosissima — Rocktwist, Branched Draba, Appalachian Draba
1136 - Draba verna — Whitlow-grass, Spring Draba
1137 - Dracocephalum parviflorum — American Dragonhead
1138 - Drosera brevifolia — Dwarf Sundew, Early Sundew
1139 - Drosera capillaris — Pink Sundew, Bog Sundew
1140 - Drosera filiformis — Threadleaf Sundew
1141 - Drosera intermedia — Water Sundew, Spoonleaf Sundew
1142 - Drosera rotundifolia var. rotundifolia — Roundleaf Sundew
1143 - Drosera tracyi — Tracy's Sundew
1144 - Drymaria cordata ssp. cordata — Heartleaf Drymary, West Indian Chickweed
1145 - Dryopteris campyloptera — Mountain Wood-fern
1146 - Dryopteris carthusiana — Spinulose Wood-fern, Toothed Wood-fern
1147 - Dryopteris celsa — Log Fern
1148 - Dryopteris cristata — Crested Wood-fern, Crested Shield Fern
1149 - Dryopteris goldiana — Goldie's Wood-fern
1150 - Dryopteris intermedia — Evergreen Wood-fern, Fancy Fern, Intermediate Wood-fern
1151 - Dryopteris ludoviciana — Southern Wood-fern, Southern Shield Fern
1152 - Dryopteris marginalis — Marginal Wood-fern, Marginal Shield Fern
1153 - Duchesnea indica — Indian Strawberry, Mock Strawberry
1154 - Dulichium arundinaceum — Threeway Sedge
1155 - Dyschoriste humistrata — Swamp Twinflower, Swamp Dyschoriste
1156 - Dyschoriste oblongifolia — Blue Twinflower, Pineland Dyschoriste, Oblong Twinflower
1157 - Dysphania ambrosioides — Mexican-tea, Epazote
1158 - Dysphania anthelmintica — Wormseed, Epazote
1159 - Echinacea laevigata — Smooth Purple Coneflower, Smooth Coneflower
1160 - Echinacea pallida — Pale Purple Coneflower
1161 - Echinacea paradoxa var. paradoxa — Yellow Coneflower
1162 - Echinacea purpurea — Eastern Purple Coneflower
1163 - Echinacea simulata — Prairie Purple Coneflower, Wavyleaf Purple Coneflower, Glade Coneflower
1164 - Echinacea tennesseensis — Tennessee Purple Coneflower, Tennessee Coneflower
1165 - Echinochloa colona — Jungle-rice
1166 - Echinochloa crus-galli — Barnyard Grass
1167 - Echinochloa crus-pavonis var. crus-pavonis — gulf cockspur grass
1168 - Echinochloa muricata var. microstachya — Rough Barnyard Grass
1169 - Echinochloa muricata var. muricata — Rough Barnyard Grass
1170 - Echinochloa walteri — Swamp Barnyard Grass, Coast Cockspur-grass
1171 - Echinocystis lobata — Wild Cucumber, Wild Balsam-apple
1172 - Echinodorus cordifolius — Creeping Burhead, Creeping Water-plantain
1173 - Echium vulgare — Viper's Bugloss, Blueweed
1174 - Eclipta prostrata — Yerba-de-tajo, false daisy
1175 - Egeria densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"
1176 - Eichhornia azurea — Rooted Water-hyacinth, anchored water-hyacinth
1177 - Eichhornia crassipes — Common Water-hyacinth
1178 - Elaeagnus angustifolia — Russian Olive, Oleaster
1179 - Elaeagnus multiflora — Cherry Elaeagnus, Cherry Silverberry
1180 - Elaeagnus pungens — Thorny Olive, Autumn Siverberry, Silverthorn, Thorny Elaeagnus
1181 - Elaeagnus umbellata var. parvifolia — Autumn Olive, Spring Silverberry
1182 - Eleocharis baldwinii — Baldwin's Spikerush, Slender Spikerush, Roadgrass, Hair Grass
1183 - Eleocharis equisetoides — Horsetail Spikerush
1184 - Eleocharis geniculata — Canada spikesedge, Bent spikerush
1185 - Eleocharis montevidensis — Sand Spikerush
1186 - Eleocharis obtusa — Blunt Spikerush
1187 - Eleocharis quadrangulata — Squarestem Spikerush
1188 - Eleocharis vivipara — Viviparous Spikerush
1189 - Elephantopus carolinianus — Leafy Elephant's Foot, Carolina Elephant's Foot
1190 - Elephantopus nudatus — Coastal Plain Elephant's Foot, Smooth Elephant's Foot, Savanna Elephant's Foot, Pineland Elephant's Foot
1191 - Elephantopus tomentosus — Common Elephant's Foot, Upland Elephant's Foot, Woodland Elephant's Foot
1192 - Eleusine indica — Goosegrass, Yard Grass, Indian Goose-grass
1193 - Elliottia racemosa — Georgia Plume, Southern-plume, Elliottia
1194 - Elymus canadensis — Great Plains Wild-rye, Nodding Wild-rye, Canada Wild-rye
1195 - Elymus glabriflorus — Southeastern Wild-rye
1196 - Elymus hystrix var. hystrix — Common Bottlebrush Grass, Eastern Bottlebrush-grass
1197 - Elymus repens — Quackgrass, Dog-grass, Witchgrass
1198 - Elymus virginicus var. virginicus — Virginia Wild-rye, Common Eastern Wild-rye, Terrell Grass
1199 - Elytraria caroliniensis var. caroliniensis — Carolina Elytraria
1200 - Emex spinosa — Spiny Emex
1201 - Emilia fosbergii — Salmon Tasselflower, Cupid’s-shaving-brush
1202 - Enemion biternatum — False Rue-anemone, Isopyrum
1203 - Epidendrum magnoliae var. magnoliae — Green-fly Orchid
1204 - Epifagus virginiana — Beechdrops
1205 - Epigaea repens — Trailing Arbutus, Mayflower
1206 - Epilobium ciliatum ssp. ciliatum — Fringed Willowherb, American Willowherb
1207 - Epilobium coloratum — Purpleleaf Willowherb, Bronze Willowherb, Eastern Willowherb
1208 - Epilobium leptophyllum — Narrowleaf Willowherb, Bog Willowherb, American Marsh Willowherb
1209 - Equisetum arvense — Field Horsetail
1210 - Equisetum hyemale var. affine — Tall Scouring Rush, River Scouring Rush
1211 - Eragrostis capillaris — Lacegrass, Lace Lovegrass
1212 - Eragrostis cilianensis — Stinkgrass
1213 - Eragrostis ciliaris — gophertail lovegrass
1214 - Eragrostis curvula — Weeping Lovegrass
1215 - Eragrostis elliottii — Elliott's Lovegrass
1216 - Eragrostis hirsuta — Bigtop Lovegrass
1217 - Eragrostis hypnoides — Creeping Lovegrass, Teal Lovegrass
1218 - Eragrostis pilosa — India Lovegrass
1219 - Eragrostis spectabilis — Purple Lovegrass, Tumblegrass
1220 - Eranthis hyemalis — Winter Aconite
1221 - Erechtites hieraciifolius var. hieraciifolius — Fireweed, American Burnweed, Pilewort
1222 - Eremochloa ophiuroides — Centipede Grass
1223 - Erica tetralix — Crossleaf Heath
1224 - Erigenia bulbosa — Harbinger-of-Spring, Pepper-and-Salt, Erigenia
1225 - Erigeron annuus — Daisy Fleabane, Annual Fleabane
1226 - Erigeron philadelphicus var. philadelphicus — Daisy Fleabane, Philadelphia Fleabane, Philadelphia-daisy, Common Fleabane
1227 - Erigeron pulchellus var. pulchellus — Robin's Plantain
1228 - Erigeron quercifolius — Southern Fleabane, Oakleaf Fleabane
1229 - Erigeron strigosus var. strigosus — Daisy Fleabane, Common Rough Fleabane, Prairie Fleabane, Slender Daisy Fleabane
1230 - Erigeron vernus — Whitetop Fleabane, Savanna Daisy Fleabane, Early Whitetop Fleabane
1231 - Eriocaulon compressum — Flattened Pipewort, Hat Pin
1232 - Eriocaulon decangulare var. decangulare — Ten-angle Pipewort, Hat Pin, Hard Pipewort
1233 - Eriocaulon ravenelii — Ravenel's Pipewort
1234 - Eriocaulon texense — Texas Hatpins, Texas Pipewort
1235 - Eriochloa michauxii var. michauxii — Longleaf Cupgrass
1236 - Eriogonum tomentosum — Sandhill Wild-buckwheat, Southern Wild-buckwheat, Dog-tongue Buckwheat
1237 - Eriophorum virginicum — Tawny Cottongrass, Tawny Cottonsedge, Cat's-paw
1238 - Erodium cicutarium ssp. cicutarium — Common Storksbill, Redstem Storksbill, Heronsbill, Filaree
1239 - Eruca vesicaria ssp. sativa — Arugula, Garden Rocket, Rocket-salad, Salad-rocket
1240 - Erucastrum gallicum — Common Dog-mustard, Rocket-weed, French Rocket
1241 - Eryngium aquaticum var. aquaticum — Marsh Eryngo
1242 - Eryngium aquaticum var. ravenelii — Ravenel's Eryngo
1243 - Eryngium baldwinii — Baldwin's eryngo, Baldwin's button snakeroot
1244 - Eryngium integrifolium — Savanna Eryngo, Blueflower Eryngo
1245 - Eryngium maritimum — Sea Holly, Seaside Eryngo
1246 - Eryngium prostratum — Spreading Eryngo, Creeping Eryngo
1247 - Eryngium yuccifolium var. synchaetum — Southern Rattlesnake-master
1248 - Eryngium yuccifolium var. yuccifolium — Northern Rattlesnake-master, Button Snakeroot
1249 - Erysimum cheiranthoides — Wormseed Mustard, Wormseed Wallflower
1250 - Erythrina herbacea — Coral-bean, Cardinal-spear
1251 - Erythronium albidum — White Trout Lily, Blonde Lilian, White Fawnlily
1252 - Erythronium americanum ssp. americanum — American Trout Lily, Dogtooth Violet, Adder's Tongue, Yellow Trout-lily
1253 - Erythronium americanum ssp. harperi — Harper's Trout Lily
1254 - Erythronium rostratum — Beaked Trout Lily
1255 - Erythronium umbilicatum ssp. monostolum — Southern Appalachian Trout Lily
1256 - Erythronium umbilicatum ssp. umbilicatum — Dimpled Trout Lily, Dogtooth Violet
1257 - Eubotrys racemosa — Coastal Fetterbush, Swamp Sweetbells, Swamp Leucothoe, Swamp Fetterbush
1258 - Eubotrys recurva — Mountain Sweetbells, Mountain Fetterbush, Deciduous Fetterbush
1259 - Euonymus alatus — Winged Burning Bush, Winged Euonymus, Winged Wahoo
1260 - Euonymus americanus — Hearts-a-bustin', Strawberry-bush
1261 - Euonymus atropurpureus var. atropurpureus — American Wahoo, Eastern Wahoo, Burning Bush
1262 - Euonymus fortunei var. radicans — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree
1263 - Euonymus japonicus — Japanese Spindletree, Japanese Euonymus
1264 - Euonymus obovatus — Running Strawberry-bush, Trailing Strawberry Bush, Trailing Wahoo
1265 - Eupatorium album var. album — White Boneset, White-bracted Thoroughwort, White Thoroughwort, White Eupatorium
1266 - Eupatorium altissimum — Tall Thoroughwort, Tall Boneset
1267 - Eupatorium altissimum — Tall Thoroughwort, Tall Boneset, Pasture Thoroughwort, Pasture Eupatorium
1268 - Eupatorium anomalum — Anomalous Eupatorium, Florida Thoroughwort
1269 - Eupatorium capillifolium — Common Dog-fennel, Summer Cedar, Yankeeweed
1270 - Eupatorium compositifolium — Coastal Dog-fennel, Yankeeweed
1271 - Eupatorium glaucescens — Wedgeleaf Thoroughwort, Broadleaf Bushy Eupatorium, Wedgeleaf Eupatorium
1272 - Eupatorium godfreyanum — Godfrey's Thoroughwort, Godfrey's Eupatorium
1273 - Eupatorium hyssopifolium var. hyssopifolium — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium
1274 - Eupatorium hyssopifolium var. laciniatum — Torrey's Thoroughwort, Torrey's Eupatorium
1275 - Eupatorium leucolepis var. leucolepis — Bay Boneset
1276 - Eupatorium leucolepis var. leucolepis — Savanna Eupatorium, Justiceweed, White-bracted Thoroughwort
1277 - Eupatorium mohrii — Recurved Thoroughwort, Recurved Eupatorium
1278 - Eupatorium mohrii — Mohr's Eupatorium, Mohr's Thoroughwort
1279 - Eupatorium perfoliatum var. perfoliatum — Common Boneset
1280 - Eupatorium pilosum — Rough Boneset, Ragged Eupatorium
1281 - Eupatorium rotundifolium var. cordigerum — Clasping Roundleaf Thoroughwort, Clasping Roundleaf Eupatorium
1282 - Eupatorium rotundifolium var. ovatum — Inland Roundleaf Eupatorium, Hairy Thoroughwort
1283 - Eupatorium rotundifolium var. rotundifolium — Common Roundleaf Boneset, Common Roundleaf Thoroughwort, Common Roundleaf Eupatorium
1284 - Eupatorium semiserratum — Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium
1285 - Eupatorium serotinum — Late-flowering Boneset, Late-flowering Thoroughwort, Late Eupatorium, Late Boneset
1286 - Eupatorium sessilifolium var. brittonianum — Britton's Upland Boneset, Britton's Eupatorium
1287 - Eupatorium sessilifolium var. sessilifolium — Upland Boneset, Sessile-leaf Eupatorium
1288 - Eupatorium sessilifolium var. vaseyi — Vasey's Thoroughwort, Vasey's Eupatorium
1289 - Euphorbia commutata — Woodland Spurge, Tinted Spurge, Wood Spurge
1290 - Euphorbia corollata — Eastern Flowering Spurge
1291 - Euphorbia curtisii — White Sandhills Spurge, Curtis's Spurge
1292 - Euphorbia cyathophora — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain
1293 - Euphorbia cyparissias — Cypress Spurge, Graveyard Spurge
1294 - Euphorbia dentata var. dentata — Toothed Spurge, Green Poinsettia, Wild Poinsettia, Painted Leaf
1295 - Euphorbia discoidalis — Summer Spurge
1296 - Euphorbia esula var. esula — Wolf's-milk, Leafy Spurge
1297 - Euphorbia exserta — Maroon Sandhills Spurge, Coastal Sand Spurge, Purple Sandhill-spurge
1298 - Euphorbia graminea — grassleaf spurge
1299 - Euphorbia heterophylla — Fiddler's Spurge, Mexican Fireplant
1300 - Euphorbia ipecacuanhae — Carolina Ipecac, Wild Ipecac, American Ipecac
1301 - Euphorbia lathyris — Caper Spurge, Myrtle Spurge, Mole Plant
1302 - Euphorbia mercurialina — Cumberland Spurge, Mercury Spurge
1303 - Euphorbia pubentissima — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge
1304 - Euphorbia purpurea — Glade Spurge, Darlington Spurge, Purple Spurge
1305 - Eurybia avita — Alexander's Rock Aster
1306 - Eurybia chlorolepis — Blue Ridge White Heart-leaved Aster, Mountain Wood-aster
1307 - Eurybia compacta — Slender Aster
1308 - Eurybia divaricata — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
1309 - Eurybia eryngiifolia — Eryngo-leaved Aster, Thistleleaf Aster
1310 - Eurybia macrophylla — Large-leaf Aster, Bigleaf Aster
1311 - Eurybia mirabilis — Piedmont Aster, Bouquet Aster
1312 - Eurybia paludosa — Savannah Grass-leaved Aster, Southern Swamp Aster
1313 - Eurybia radula — Rough-leaved Aster, Low Rough Aster
1314 - Eurybia schreberi — Schreber's Aster
1315 - Eurybia spectabilis — Low Showy Aster, Eastern Showy Aster
1316 - Eurybia surculosa — Creeping Aster
1317 - Eustachys petraea — Dune Fingergrass, Pinewoods Fingergrass
1318 - Euthamia caroliniana — Slender Flattop Goldenrod
1319 - Euthamia graminifolia var. graminifolia — Grassleaf Flattop Goldenrod
1320 - Euthamia graminifolia var. hirtipes — Marsh Flattop Goldenrod
1321 - Euthamia leptocephala — Mississippi Valley Flat-topped Goldenrod
1322 - Eutrochium dubium — Coastal Plain Joe-pye-weed, Three-nerved Joe-pye-weed
1323 - Eutrochium fistulosum — Hollow-stem Joe-pye-weed
1324 - Eutrochium maculatum var. maculatum — Spotted Joe-pye-weed
1325 - Eutrochium purpureum var. carolinianum — Carolina Joe-Pye-weed, Downy Sweet Joe-Pye-weed
1326 - Eutrochium purpureum var. purpureum — Purple-node Joe-pye-weed, Sweet Joe-pye-weed
1327 - Eutrochium steelei — Appalachian Joe-pye-weed, Steele's Joe-pye-weed
1328 - Exochorda racemosa — Pearlbush
1329 - Facelis retusa — Trampweed, Fluffweed
1330 - Fagopyrum esculentum — Buckwheat
1331 - Fagus grandifolia — American Beech
1332 - Fatoua villosa — Mulberry-weed, Crabweed, Foolish-weed
1333 - Festuca brevipila — Hard Fescue
1334 - Festuca paradoxa — Cluster Fescue
1335 - Festuca rubra ssp. rubra — Red Fescue
1336 - Festuca subverticillata — Nodding Fescue
1337 - Ficus carica — Edible Fig, Garden Fig
1338 - Ficus pumila — Climbing Fig, Creeping Fig
1339 - Ficus thonningii — Laurel Fig
1340 - Filipendula rubra — Queen-of-the-Prairie
1341 - Filipendula ulmaria ssp. ulmaria — Queen-of-the-Meadow, Meadowsweet
1342 - Fimbristylis caroliniana — Carolina Fimbry
1343 - Fimbristylis castanea — Marsh Fimbry
1344 - Fimbristylis perpusilla — Harper's Fimbry
1345 - Fimbristylis schoenoides — ditch fimbry
1346 - Firmiana simplex — Chinese Parasol-tree, Japanese Varnishtree, Phoenix Tree
1347 - Flaveria bidentis — coastal plain yellowtops
1348 - Fleischmannia incarnata — Pink Thoroughwort, Pink Eupatorium
1349 - Foeniculum vulgare — Fennel
1350 - Forestiera acuminata — Swamp-privet
1351 - Forestiera godfreyi — Godfrey's Forestiera
1352 - Forestiera ligustrina — Upland Swamp Privet, Southern-privet, Glade Privet, Upland Privet
1353 - Forestiera segregata var. segregata — Florida-privet
1354 - Forsythia suspensa — Weeping Forsythia
1355 - Forsythia viridissima — Greenstem Forsythia
1356 - Fothergilla gardenii — Coastal Witch-alder, Dwarf Witch-alder, Small Witch-alder, Fothergilla
1357 - Fothergilla major — Large Witch-alder, Mountain Witch-alder, Fothergilla
1358 - Fragaria vesca ssp. americana — Wood Stawberry, American Woodland Strawberry
1359 - Fragaria virginiana ssp. virginiana — Wild Strawberry
1360 - Frangula alnus — Glossy Buckthorn, European Alder-buckthorn
1361 - Frangula caroliniana — Carolina Buckthorn, Polecat-tree, Indian Currant
1362 - Franklinia alatamaha — Franklinia, Franklin Tree, Lost Gordonia
1363 - Frasera caroliniensis — American Columbo
1364 - Fraxinus americana — White Ash, American Ash
1365 - Fraxinus americana — Biltmore Ash, Biltmore White Ash
1366 - Fraxinus caroliniana — Carolina Ash, Water Ash, Pop Ash
1367 - Fraxinus pennsylvanica — Green Ash, Red Ash
1368 - Fraxinus profunda — Pumpkin Ash
1369 - Fraxinus quadrangulata — Blue Ash
1370 - Froelichia floridana var. campestris — Plains Cottonseed
1371 - Froelichia floridana var. floridana — Florida Cottonweed, Florida Cottonseed
1372 - Froelichia gracilis — Slender Cottonweed
1373 - Fuirena scirpoidea — Southern Umbrella-sedge
1374 - Fumaria officinalis — Fumitory, Earthsmoke
1375 - Gaillardia aestivalis var. aestivalis — Sandhills Gaillardia, Rayless Blanketflower, Lanceleaf Blanketflower
1376 - Gaillardia aestivalis var. flavovirens — lanceleaf blanketflower
1377 - Gaillardia pulchella var. picta — Beach Blanket Flower, Gaillardia, Firewheel, Indian Blanket Flower
1378 - Gaillardia pulchella var. pulchella — Blanket Flower, Gaillardia, Firewheel, Indian Blanket Flower
1379 - Galactia elliottii — Elliott's Milkpea
1380 - Galactia erecta — Erect Milkpea
1381 - Galactia microphylla — Littleleaf Milkpea, Little Milkpea
1382 - Galactia mollis — Soft Milkpea
1383 - Galactia regularis — Smooth Milkpea, Common Milkpea
1384 - Galactia volubilis — Downy Milkpea, Hairy Milkpea, Twining Milkpea, Eastern Milkpea
1385 - Galanthus nivalis — Snowdrop
1386 - Galax urceolata — Galax, Beetleweed
1387 - Galearis spectabilis — Showy Orchis
1388 - Galega officinalis — Professor-weed, Goat's Rue
1389 - Galinsoga parviflora — Lesser Peruvian-daisy, Gallant Soldiers, Smallflower Quickweed
1390 - Galinsoga quadriradiata — Common Peruvian-daisy, Gallant Soldiers, Fringed Quickweed
1391 - Galium album — white bedstraw
1392 - Galium aparine — Cleavers, Bedstraw
1393 - Galium asprellum — Rough Bedstraw
1394 - Galium boreale — Northern Bedstraw
1395 - Galium circaezans var. circaezans — Forest Bedstraw, Licorice Bedstraw
1396 - Galium concinnum — Shining Bedstraw
1397 - Galium hispidulum — Coastal Bedstraw
1398 - Galium lanceolatum — Lanceleaf Wild Licorice
1399 - Galium latifolium — Purple Bedstraw, Wideleaf Bedstraw
1400 - Galium mollugo — False Baby's Breath, Smooth Bedstraw, Hedge Bedstraw, Wild Madder
1401 - Galium obtusum ssp. filifolium — Carolina Bedstraw
1402 - Galium obtusum ssp. obtusum — Bluntleaf Bedstraw
1403 - Galium orizabense ssp. laevicaule — Bald Bedstraw, Smoothstem Bedstraw
1404 - Galium pilosum var. pilosum — Hairy Bedstraw
1405 - Galium tinctorium — Stiff Marsh Bedstraw, Dye Bedstraw, Three-lobed Bedstraw
1406 - Galium triflorum — Sweet-scented Bedstraw, Fragrant Bedstraw
1407 - Galium uniflorum — Oneflower Bedstraw
1408 - Galium verum — Yellow Bedstraw, Our Lady's Bedstraw
1409 - Gamochaeta americana — Shiny Cudweed, American Everlasting
1410 - Gamochaeta falcata — Narrowleaf Cudweed, Caribbean Everlasting, Delicate Everlasting
1411 - Gamochaeta falcata — Narrowleaf Cudweed, Narrowleaf Purple Everlasting
1412 - Gamochaeta pensylvanica — Wandering Cudweed, Pennsylvania Everlasting
1413 - Gamochaeta purpurea — Purple Cudweed, Silvery Everlasting
1414 - Gamochaeta purpurea — Purple Cudweed, Snow-white Everlasting
1415 - Gamochaeta purpurea — Spoonleaf Purple Everlasting, Purple Cudweed
1416 - Gamochaeta simplicicaulis — simple-stem everlasting
1417 - Gaultheria hispidula — Creeping Snowberry, Moxie
1418 - Gaultheria procumbens — Wintergreen, Teaberry
1419 - Gaura angustifolia — Southeastern Gaura, Southern Beeblossom
1420 - Gaura biennis — Biennial Gaura, Northeastern Gaura, Morning Honeysuckle, Biennial Beeblossom
1421 - Gaura filipes — Threadstalk Gaura, Slenderstalk Beeblossom
1422 - Gaylussacia baccata — Black Huckleberry, Crackleberry
1423 - Gaylussacia brachycera — Box Huckleberry
1424 - Gaylussacia dumosa — Southern Dwarf Huckleberry
1425 - Gaylussacia dumosa — Northern Dwarf Huckleberry, Bog Huckleberry
1426 - Gaylussacia dumosa — Blue Ridge Bog Huckleberry, Blue Ridge Huckleberry
1427 - Gaylussacia frondosa — Dangleberry
1428 - Gaylussacia mosieri — Mosier's Huckleberry, Hirsute Huckleberry
1429 - Gaylussacia tomentosa — Woolly Dangleberry, Hairy Dangleberry, Hairytwig Huckleberry
1430 - Gaylussacia ursina — Bear Huckleberry, Buckberry, Mountain Huckleberry
1431 - Gelsemium rankinii — Swamp Jessamine
1432 - Gelsemium sempervirens — Carolina Jessamine, Yellow Jessamine
1433 - Gentiana alba — Pale Gentian, Plain Gentian
1434 - Gentiana andrewsii var. andrewsii — Prairie Closed Gentian, Closed Bottle Gentian
1435 - Gentiana austromontana — Blue Ridge Gentian, Appalachian Gentian, Pine Barren Gentian
1436 - Gentiana autumnalis — Pinebarren Gentian, Autumn Gentian
1437 - Gentiana catesbaei — Coastal Plain Gentian, Catesby's Gentian, Elliott's Gentian
1438 - Gentiana clausa — Meadow Closed Gentian, Meadow Bottle Gentian
1439 - Gentiana decora — Appalachian Gentian, Showy Gentian
1440 - Gentiana linearis — Narrowleaf Gentian
1441 - Gentiana saponaria — Soapwort Gentian, Harvest Bells
1442 - Gentiana saponaria var. latidens — Balsam Mountain Gentian
1443 - Gentiana villosa — Striped Gentian
1444 - Gentianella quinquefolia ssp. quinquefolia — Stiff Gentian, Appalachian Gentianella, Fivefinger Gentian, Eastern Agueweed
1445 - Gentianopsis crinita — Eastern Fringed Gentian, Greater Fringed Gentian
1446 - Geranium carolinianum var. carolinianum — Carolina Cranesbill
1447 - Geranium dissectum — Cutleaf Cranesbill
1448 - Geranium maculatum — Wild Geranium
1449 - Geranium molle — Dove's-foot Cranesbill
1450 - Geranium pusillum — Small-flowered Cranesbill
1451 - Geranium robertianum — Herb Robert
1452 - Geranium sibiricum — Siberian Cranesbill
1453 - Geum aleppicum — Yellow Avens
1454 - Geum canadense var. canadense — White Avens
1455 - Geum geniculatum — Bent Avens
1456 - Geum laciniatum — Rough Avens
1457 - Geum radiatum — Mountain Avens, Appalachian Avens, Spreading Avens, Cliff Avens
1458 - Geum vernum — Spring Avens
1459 - Geum virginianum — Pale Avens, Cream Avens
1460 - Gillenia stipulata — Midwestern Indian Physic, American Ipecac
1461 - Gillenia trifoliata — Bowman's Root, Mountain Indian Physic, Fawn's Breath
1462 - Ginkgo biloba — Ginkgo, Maidenhair Tree
1463 - Gladiolus dalenii ssp. dalenii — Gladiolus
1464 - Glandularia bipinnatifida var. bipinnatifida — Dakota Vervain, Dakota Mock Vervain
1465 - Glandularia canadensis — Rose Vervain, Rose Verbena, Creeping Vervain
1466 - Glandularia pulchella — Moss Vervain, South American Vervain, Moss Verbena
1467 - Glaucium flavum — Yellow Hornpoppy, Yellow Horned-poppy, Sea-poppy
1468 - Glechoma hederacea — Ground Ivy, Gill-over-the-ground, Creeping Charlie
1469 - Gleditsia aquatica — Water Locust
1470 - Gleditsia triacanthos — Honey Locust
1471 - Glossostigma cleistanthum — Mudmat
1472 - Glyceria septentrionalis — Eastern Mannagrass, Floating Mannagrass
1473 - Glyceria striata — Fowl Mannagrass
1474 - Goodyera pubescens — Downy Rattlesnake Plantain, Downy Rattlesnake-orchid
1475 - Goodyera repens — Dwarf Rattlesnake Plantain, Dwarf Rattlesnake Orchid, Lesser Rattlesnake-orchid, Lesser Rattlesnake-plantain
1476 - Gordonia lasianthus — Loblolly Bay, Gordonia
1477 - Gossypium hirsutum var. hirsutum — Upland Cotton
1478 - Gratiola aurea — Yellow Hedge-hyssop, Golden-pert, Golden Hedge-hyssop
1479 - Gratiola hispida — Pineland Hedge-hyssop
1480 - Gratiola neglecta — Mud-hyssop, Mud Hedge-hyssop, Clammy Hedge-hyssop
1481 - Gratiola pilosa — Shaggy Hedge-hyssop, Pilose Hedge-hyssop
1482 - Gratiola virginiana + — Roundfruit Hedge-hyssop, Virginia Hedge-hyssop
1483 - Gratiola viscidula — Viscid Hedge-hyssop, Sticky Hedge-hyssop, Short's Hedge-hyssop
1484 - Gymnocladus dioicus — Kentucky Coffeetree
1485 - Gymnopogon ambiguus — Eastern Skeletongrass, Eastern Beardgrass, Bearded Skeletongrass, Broadleaf Beardgrass
1486 - Gypsophila paniculata — Tall Baby's Breath
1487 - Habenaria quinqueseta — Michaux's Orchid, Long-horned Habenaria
1488 - Habenaria repens — Water-spider Orchid, Floating Orchid
1489 - Hackelia virginiana — Virginia Stickseed
1490 - Halesia carolina — Little Silverbell
1491 - Halesia diptera — Common Two-wing Silverbell
1492 - Halesia tetraptera var. monticola — Mountain Silverbell
1493 - Halesia tetraptera var. tetraptera — Common Silverbell
1494 - Hamamelis vernalis — Vernal Witch-hazel, Ozark Witch-hazel, Springtime Witch-hazel
1495 - Hamamelis virginiana — American Witch-hazel, Northern Witch-hazel
1496 - Hedeoma hispida — Rough Pennyroyal, Rough False Pennyroyal
1497 - Hedeoma pulegioides — American Pennyroyal
1498 - Hedera colchica — Persian Ivy
1499 - Hedera helix — English Ivy, Common Ivy
1500 - Hedera hibernica — Atlantic Ivy, Irish Ivy
1501 - Helenium amarum var. amarum — Bitterweed, Yellow Sneezeweed
1502 - Helenium autumnale var. autumnale — Common Sneezeweed
1503 - Helenium brevifolium — Littleleaf Sneezeweed, Shortleaf Sneezeweed
1504 - Helenium flexuosum — Purplehead Sneezeweed, Southern Sneezeweed
1505 - Helenium pinnatifidum — Southeastern Sneezeweed
1506 - Helenium vernale — Savannah Sneezeweed, Spring Helenium
1507 - Helianthemum canadense — Canada Frostweed, Canada Sunrose
1508 - Helianthemum carolinianum — Carolina Sunrose, Carolina Frostweed, Carolina Rockrose
1509 - Helianthemum georgianum — Georgia Sunrose, Georgia Frostweed
1510 - Helianthemum rosmarinifolium — Rosemary Sunrose, Rosemary Frostweed
1511 - Helianthus ×laetiflorus [pauciflorus × tuberosus] — Showy Sunflower, cheerful sunflower
1512 - Helianthus ×verticillatus — Whorled Sunflower
1513 - Helianthus agrestis — Southeastern Sunflower
1514 - Helianthus angustifolius — Narrowleaf Sunflower , Swamp Sunflower
1515 - Helianthus annuus — Common Sunflower
1516 - Helianthus atrorubens — Purpledisc Sunflower, Hairy Wood Sunflower, Appalachian Sunflower
1517 - Helianthus ciliaris — Texas Blueweed, Blueweed Sunflower
1518 - Helianthus debilis ssp. cucumerifolius — Cucumber-leaf Sunflower, Beach Sunflower
1519 - Helianthus decapetalus — Thinleaf Sunflower, Forest Sunflower
1520 - Helianthus divaricatus — Woodland Sunflower, Spreading Sunflower
1521 - Helianthus giganteus — Tall Sunflower, Swamp Sunflower, Tuberous Sunflower, Giant Sunflower
1522 - Helianthus glaucophyllus — Whiteleaf Sunflower
1523 - Helianthus heterophyllus — Savanna Sunflower, Variable-leaf Sunflower
1524 - Helianthus hirsutus — Hairy Sunflower, Rough Sunflower
1525 - Helianthus longifolius — Longleaf Sunflower
1526 - Helianthus maximiliani — Maximilian Sunflower
1527 - Helianthus microcephalus — Small Wood Sunflower, Small-headed Sunflower
1528 - Helianthus mollis — Downy Sunflower, Ashy Sunflower, Gray Sunflower
1529 - Helianthus occidentalis ssp. occidentalis — Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower
1530 - Helianthus pauciflorus ssp. pauciflorus — Stiff Sunflower
1531 - Helianthus porteri — Confederate Daisy
1532 - Helianthus radula — Roundleaf Sunflower, Rayless Sunflower
1533 - Helianthus resinosus — Hairy Sunflower, Resinous Sunflower, Gray Sunflower, Resindot Sunflower
1534 - Helianthus schweinitzii — Schweinitz's Sunflower
1535 - Helianthus smithii — Smith's Sunflower
1536 - Helianthus strumosus — Roughleaf Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower
1537 - Helianthus tuberosus — Jerusalem Artichoke
1538 - Heliopsis helianthoides var. helianthoides — False Sunflower, Eastern Oxeye, Eastern Sunflower-everlasting, Smooth Oxeye
1539 - Heliotropium amplexicaule — Clasping Heliotrope
1540 - Heliotropium curassavicum var. curassavicum — Seaside Heliotrope
1541 - Heliotropium indicum — Indian Heliotrope, Turnsole
1542 - Helleborus foetidus — Stinking Hellebore
1543 - Helleborus niger — black hellebore
1544 - Helleborus orientalis — Lenten-rose
1545 - Helleborus viridis — Lenten-rose, Green Hellebore, Christmas-rose
1546 - Helonias bullata — Swamp Pink
1547 - Hemerocallis fulva — Orange Daylily, Tawny Daylily, Roadside Daylily
1548 - Hemerocallis lilioasphodelus — Yellow Daylily, Lemon Daylily
1549 - Hepatica nobilis var. acuta — Sharp-lobed Hepatica, Sharp-lobed Liverleaf
1550 - Hepatica nobilis var. obtusa — Round-lobed Hepatica, Round-lobed Liverleaf
1551 - Heracleum mantegazzianum — Giant Hogweed
1552 - Heracleum maximum — Cow-parsnip, American Hogweed, Masterwort
1553 - Hesperis matronalis — Dame's Rocket
1554 - Heteranthera dubia — Water Stargrass
1555 - Heteranthera reniformis — Kidneyleaf Mud Plantain
1556 - Heterotheca camporum var. glandulissimum — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster
1557 - Heterotheca subaxillaris — Camphorweed
1558 - Heuchera americana var. americana — American Alumroot
1559 - Heuchera caroliniana — Carolina Alumroot
1560 - Heuchera longiflora — longflower alumroot, Mapleleaf Alumroot
1561 - Heuchera parviflora var. parviflora — Littleflower Alumroot, Cave Alumroot, Cumberland Grotto Alumroot, Small-flower Alumroot
1562 - Heuchera pubescens — Marbled Alumroot, Downy Alumroot
1563 - Heuchera villosa var. villosa — Mapleleaf Alumroot, Hairy Alumroot, Rock Alumroot, Crag-jangle
1564 - Hexalectris spicata — Crested Coralroot, Spiked Crested Coralroot, Brunetta
1565 - Hexastylis arifolia var. arifolia — Little Brown Jug, Arrowhead Heartleaf, Arrowleaf Heartleaf
1566 - Hexastylis arifolia var. callifolia — heartleaf
1567 - Hexastylis arifolia var. ruthii — Appalachian Little Brown Jug
1568 - Hexastylis contracta — Mountain Heartleaf
1569 - Hexastylis heterophylla — Heartleaf Ginger, Variable-leaf Heartleaf, Wild Ginger
1570 - Hexastylis lewisii — Lewis's Heartleaf
1571 - Hexastylis minor — Little Heartleaf, Small Heartleaf Ginger
1572 - Hexastylis naniflora — Dwarf-flower Heartleaf
1573 - Hexastylis rhombiformis — French Broad Heartleaf, Carolina Heartleaf
1574 - Hexastylis shuttleworthii var. harperi — Harper's Heartleaf
1575 - Hexastylis shuttleworthii var. shuttleworthii — Large-flower Heartleaf, Wild Ginger
1576 - Hexastylis sorriei — Sandhills Heartleaf, Streamhead Heartleaf
1577 - Hexastylis virginica — Virginia Heartleaf, Virginia Ginger
1578 - Hibiscus aculeatus — Savanna Hibiscus, Comfort-root, Pineland Hibiscus
1579 - Hibiscus coccineus — Scarlet Rosemallow, Scarlet Hibiscus, Swamp Mallow
1580 - Hibiscus grandiflorus — Large-flowered Hibiscus, Swamp Rose Mallow
1581 - Hibiscus laevis — Halberdleaf Rosemallow, Rose Hibiscus, Smooth Rosemallow, Showy Hibiscus
1582 - Hibiscus lasiocarpos — Western Rosemallow
1583 - Hibiscus moscheutos — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
1584 - Hibiscus syriacus — Rose-of-Sharon, Althea
1585 - Hibiscus trionum — Flower-of-an-hour
1586 - Hieracium ×flagellare var. flagellare — Whiplash Hawkweed
1587 - Hieracium aurantiacum — Orange Hawkweed, Devil's Paintbrush, Orange King-devil
1588 - Hieracium caespitosum — Field Hawkweed, Yellow King-devil, Meadow Hawkweed
1589 - Hieracium gronovii — Hairy Hawkweed, Beaked Hawkweed
1590 - Hieracium marianum — Maryland Hawkweed
1591 - Hieracium paniculatum — Panicled Hawkweed, Leafy Hawkweed, Allegheny Hawkweed
1592 - Hieracium pilosella var. pilosella — Mouse-ear Hawkweed
1593 - Hieracium piloselloides — Smooth Hawkweed, Glaucous King-devil, Tall Hawkweed
1594 - Hieracium scabrum var. scabrum — Rough Hawkweed
1595 - Hieracium venosum — Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed
1596 - Holcus lanatus — Velvet-grass
1597 - Holosteum umbellatum — Jagged Chickweed
1598 - Hordeum pusillum — Little Barley
1599 - Hosta ventricosa — Blue Plantain-lily
1600 - Hottonia inflata — Featherfoil, Water-violet
1601 - Houstonia caerulea — Quaker Ladies, Common Bluet, Innocence, Azure Bluet
1602 - Houstonia canadensis — Canada Bluet
1603 - Houstonia longifolia — Longleaf Bluet
1604 - Houstonia longifolia — Narrowleaf Bluet, Diffuse-branched Bluet
1605 - Houstonia longifolia — Granite Dome Bluet
1606 - Houstonia micrantha — Southern Bluet
1607 - Houstonia procumbens — Roundleaf Bluet, Creeping Bluet, Trailing Bluet, Fairy-footprints
1608 - Houstonia purpurea var. calycosa — Lanceleaf Bluet, Midwestern Summer Bluet, Glade Mountain Houstonia, Venus's Pride
1609 - Houstonia purpurea var. montana — Roan Mountain Bluet
1610 - Houstonia purpurea var. purpurea — Summer Bluet, Mountain Bluet, Woodland Bluet, Purple Bluet
1611 - Houstonia pusilla — Tiny Bluet, Small Bluet
1612 - Houstonia serpyllifolia — Thymeleaf Bluet, Appalachian Bluet, Prostrate Bluet, Marsh Bluet
1613 - Hudsonia ericoides — Northern Golden-heather
1614 - Hudsonia montana — Mountain Golden-heather
1615 - Hudsonia tomentosa var. tomentosa — Woolly Beach-heather
1616 - Humulus japonicus — Japanese Hops
1617 - Huperzia appalachiana — Appalachian Firmoss, Appalachian Fir-clubmoss
1618 - Huperzia lucidula — Shining Clubmoss, Shining Firmoss
1619 - Huperzia porophila — Rock Clubmoss, Rock Firmoss
1620 - Hybanthus concolor — Green-violet
1621 - Hydrangea arborescens — Smooth Hydrangea, Sevenbark
1622 - Hydrangea cinerea — Ashy Hydrangea
1623 - Hydrangea quercifolia — Oakleaf Hydrangea
1624 - Hydrangea radiata — Snowy Hydrangea, Silverleaf Hydrangea
1625 - Hydrastis canadensis — Goldenseal
1626 - Hydrilla verticillata — Hydrilla
1627 - Hydrocharis morsus-ranae — European frog-bit
1628 - Hydrocleys nymphoides — Water Poppy
1629 - Hydrocotyle americana — American Water-pennywort
1630 - Hydrocotyle bonariensis — Dune Pennywort, Seaside Pennywort, Dune Water-pennywort, Largeleaf Pennywort
1631 - Hydrocotyle prolifera — Whorled Marsh-pennywort, Water-pennywort
1632 - Hydrocotyle ranunculoides — Swamp Water-pennywort, Floating Marsh-pennywort
1633 - Hydrocotyle sibthorpioides — Lawn Marsh-pennywort, Lawn Water-pennywort
1634 - Hydrocotyle umbellata — Marsh Water-pennywort, Manyflower Marsh-pennywort
1635 - Hydrocotyle verticillata var. verticillata — Shield Marsh-pennywort, Whorled Marsh-pennywort
1636 - Hydrolea corymbosa — Tall Hydrolea, Skyflower
1637 - Hydrolea ovata — Ovate False Fiddleleaf, Blue Waterleaf, Hairy Hydrolea
1638 - Hydrolea quadrivalvis — Waterpod, Waterleaf
1639 - Hydrophyllum appendiculatum — Biennial Waterleaf, Great Waterleaf
1640 - Hydrophyllum canadense — Mapleleaf Waterleaf, Broadleaf Waterleaf, Canada Waterleaf, Bluntleaf Waterleaf
1641 - Hydrophyllum macrophyllum — Hairy Waterleaf, Largeleaf Waterleaf
1642 - Hydrophyllum virginianum — Virginia Waterleaf, Eastern Waterfleaf
1643 - Hygrophila polysperma — East Indian Swampweed, East Indian Hygrophila, Miramar Weed, Hygro
1644 - Hylotelephium telephioides — Allegheny Live-forever, Cliff Orpine, Allegheny Stonecrop
1645 - Hymenocallis coronaria — Rocky-shoals Spiderlily, Catawba Spiderlily, Carolina Spiderlily, Cahaba Lily
1646 - Hymenocallis floridana — Florida Spiderlily, Carolina Spiderlily
1647 - Hymenocallis liriosme — Western Marsh Spiderlily, Louisiana Marsh Spiderlily
1648 - Hymenocallis occidentalis var. occidentalis — Hammock Spiderlily, Woodland Spiderlily, Northern Spiderlily
1649 - Hymenocallis rotata — Spring-run Spiderlily
1650 - Hymenopappus scabiosaeus var. scabiosaeus — Woolly-white
1651 - Hypericum adpressum — Creeping St. Johnswort, Bog St. Johnswort
1652 - Hypericum buckleii — Granite Dome St. Johnswort, Mountain St. Johnswort, Buckley's St. Johnswort, Dwarf St. Johnswort
1653 - Hypericum calycinum — Aaron's Beard
1654 - Hypericum canadense — Canada St. Johnswort
1655 - Hypericum cistifolium — Roundpod St. Johnswort
1656 - Hypericum crux-andreae — St. Peter's-wort, St. Andrew's Cross, St. Peter's Cross
1657 - Hypericum densiflorum — Mountain Bushy St. Johnswort, Dense-flowered St. Johnswort
1658 - Hypericum densiflorum — Interior Bushy St. Johnswort
1659 - Hypericum denticulatum — Coppery St. Johnswort
1660 - Hypericum dolabriforme — Glade St. Johnswort
1661 - Hypericum drummondii — Drummond's St. Johnswort, Nits-and-lice
1662 - Hypericum fasciculatum — Peelbark St. Johnswort
1663 - Hypericum frondosum — Golden St. Johnswort
1664 - Hypericum galioides — bedstraw St. Johnswort
1665 - Hypericum gentianoides — Pineweed, Orange-grass
1666 - Hypericum graveolens — Mountain St. Johnswort
1667 - Hypericum hypericoides ssp. hypericoides — St. Andrew's Cross
1668 - Hypericum hypericoides ssp. multicaule — Creeping St. Andrew's Cross, Low St. Johnswort, Straggling St. Johnswort
1669 - Hypericum lloydii — Lloyd's St. Johnswort, Sandhills St. Johnswort, Piedmont St. Johnswort
1670 - Hypericum mitchellianum — Blue Ridge St. Johnswort
1671 - Hypericum mutilum — Common Dwarf St. Johnswort
1672 - Hypericum nudiflorum — Early St. Johnswort, Naked St. Johnswort, Streamside St. Johnswort
1673 - Hypericum nudiflorum — early St. Johnswort
1674 - Hypericum perforatum — European St. Johnswort, Common St. Johnswort
1675 - Hypericum prolificum — Shrubby St. Johnswort
1676 - Hypericum punctatum — Spotted St. Johnswort
1677 - Hypericum reductum — Sandhill St. Johnswort, Atlantic St. Johnswort
1678 - Hypericum setosum — Hairy St. Johnswort
1679 - Hypericum sphaerocarpum — Barrens St. Johnswort
1680 - Hypericum suffruticosum — Pineland St. Johnswort
1681 - Hypericum tetrapetalum — Low St. Peter's-wort
1682 - Hypericum virgatum — Strict St. Johnswort, Sharpleaf St. Johnswort
1683 - Hypochaeris glabra — Smooth Cat's-ear
1684 - Hypochaeris radicata — Hairy Cat's-ear, Spotted Cat's-ear, Cat's Ear Dandelion
1685 - Hypolepis repens — Creeping Bramble Fern
1686 - Hypoxis hirsuta — Yellow Stargrass, Hairy Yellow Stargrass, Common Stargrass, Upland Stargrass
1687 - Hypoxis juncea — Fringed Stargrass
1688 - Hypoxis wrightii — Bristleseed Stargrass, Pineland Stargrass
1689 - Hyptis alata — Musky Mint, Cluster Bushmint
1690 - Hyptis mutabilis — Tropical Bushmint
1691 - Ilex ambigua — Carolina Holly
1692 - Ilex amelanchier — Sarvis Holly
1693 - Ilex cassine var. cassine — Dahoon, Cassena, Dahoon Holly
1694 - Ilex collina — Longstalk Holly, Cherry Holly
1695 - Ilex coriacea — Sweet Gallberry, Big Gallberry, Large Gallberry
1696 - Ilex cornuta — Chinese Holly, Burford Holly
1697 - Ilex crenata — Japanese Holly
1698 - Ilex cuthbertii — Cuthbert Holly
1699 - Ilex decidua — Possumhaw, Possumhaw Holly
1700 - Ilex glabra — Inkberry, Bitter Gallberry, Little Gallberry
1701 - Ilex laevigata — Smooth Winterberry
1702 - Ilex longipes — Georgia Holly, Chapman's Holly
1703 - Ilex montana — Mountain Holly, Mountain Winterberry
1704 - Ilex myrtifolia — Myrtle Holly, Myrtle-leaved Holly
1705 - Ilex opaca var. opaca — American Holly, Christmas Holly
1706 - Ilex verticillata — Downy Winterberry, Black-alder
1707 - Ilex vomitoria — Yaupon Holly, Yaupon
1708 - Illicium floridanum — Florida Star-anise, Florida Anise-tree, Stinkbush
1709 - Illicium parviflorum — Swamp Star-anise, Yellow Anise-tree, Ocala Anise-tree
1710 - Impatiens capensis — Spotted Jewelweed, Spotted Touch-me-not, Orange Jewelweed, Orange Touch-me-not
1711 - Impatiens glandulifera — Ornamental Jewelweed, Himalayan Balsam, Indian Balsam
1712 - Impatiens pallida — Pale Jewelweed, Pale Touch-me-not, Yellow Jewelweed, Yellow Touch-me-not
1713 - Imperata cylindrica — Cogongrass, Bloodroot Grass, Brazilian Satintail
1714 - Indigofera caroliniana — Wild Indigo, Carolina Indigo
1715 - Indigofera hirsuta — Hairy Indigo, Roughhairy Indigo
1716 - Indigofera suffruticosa — West Indian Indigo
1717 - Ionactis linariifolius — Stiffleaf Aster, Flaxleaf Aster, Spruce Aster
1718 - Ipomoea aquatica — Water Spinach, Swamp Morning Glory
1719 - Ipomoea batatas — Sweet Potato
1720 - Ipomoea coccinea — Small Red Morning Glory, Scarlet Creeper
1721 - Ipomoea cordatotriloba var. cordatotriloba — Coastal Morning Glory, Tie-vine, Cotton Morning Glory
1722 - Ipomoea hederacea — Ivyleaf Morning Glory
1723 - Ipomoea hederifolia — Scarlet Creeper
1724 - Ipomoea imperati — Fiddleleaf Morning Glory, Beach Morning Glory
1725 - Ipomoea lacunosa — Small White Morning Glory, Small-flowered Morning Glory, Whitestar
1726 - Ipomoea macrorhiza — Indian Midden Morning Glory, Largeroot Morning Glory, Manroot
1727 - Ipomoea pandurata — Manroot, Wild Potato Vine, Man-of-the-earth, Wild Sweet Potato
1728 - Ipomoea pes-caprae ssp. brasiliensis — Railroad Vine, Bay Hops, Bay Winders, Goat's-foot
1729 - Ipomoea purpurea — Common Morning Glory
1730 - Ipomoea quamoclit — Cypress-vine
1731 - Ipomoea sagittata — Saltmarsh Morning Glory
1732 - Ipomoea triloba — Little-bell
1733 - Ipomopsis rubra — Standing-cypress, Spanish-larkspur
1734 - Iris brevicaulis — Short-stem Iris, Lamance Iris, Zigzag Iris
1735 - Iris cristata — Dwarf Crested Iris
1736 - Iris fulva — Copper Iris, Red Flag
1737 - Iris germanica — German Iris, Fleur-de-Lys
1738 - Iris giganticaerulea — Giant Blue Iris
1739 - Iris hexagona var. hexagona — Dixie Iris, Anglepod Blue Flag
1740 - Iris hexagona var. savannarum — savanna iris
1741 - Iris prismatica — Slender Blue Flag, Slender Blue Iris
1742 - Iris pseudacorus — Yellow Flag, Water Flag, Yellow Iris
1743 - Iris sibirica — Siberian Iris
1744 - Iris tridentata — Bay Blue-flag Iris, Flag, Savannah Iris
1745 - Iris verna var. smalliana — Upland Dwarf Iris, Upland Dwarf Violet Iris
1746 - Iris verna var. verna — Coastal Plain Dwarf Iris, Sandhill Iris, Coastal Plain Violet Iris
1747 - Iris virginica var. virginica — Southern Blue Flag
1748 - Isoetes appalachiana — Appalachian Quillwort
1749 - Isoetes boomii — Boom's Quillwort
1750 - Isoetes engelmannii — Engelman's Quillwort
1751 - Isoetes georgiana — Georgia Quillwort
1752 - Isoetes hyemalis — Wintergreen Quillwort, Winter Quillwort, evergreen quillwort
1753 - Isoetes junciformis — Rush Quillwort
1754 - Isoetes melanopoda — Eastern Blackfoot Quillwort
1755 - Isoetes melanopoda — Blackfoot Quillwort
1756 - Isoetes melanospora — Black-spored Quillwort
1757 - Isoetes piedmontana — Piedmont Quillwort
1758 - Isoetes riparia var. riparia — Riverbank Quillwort, Shore Quillwort
1759 - Isoetes tegetiformans — Mat-forming Quillwort, Merlin's Grass, Mat-forming Melin's grass
1760 - Isoetes valida — Mountain Quillwort, Carolina Quillwort, Strong Quillwort
1761 - Isoetes virginica — Virginia Quillwort
1762 - Isolepis carinata — Keeled Bulrush
1763 - Isotria medeoloides — Small Whorled Pogonia, Little Five-leaves
1764 - Isotria verticillata — Large Whorled Pogonia, Larger Five-leaves
1765 - Itea virginica — Virginia Sweetspire, Virginia-willow
1766 - Iva annua + — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
1767 - Iva frutescens ssp. frutescens — Southern Maritime Marsh-elder, Southern Bigleaf Marsh-elder
1768 - Iva imbricata — Seashore Elder, Dune Marsh-elder, Seacoast Marsh-elder
1769 - Jacquemontia tamnifolia — Jacquemontia, Smallflower Morning Glory, Hairy Clustervine, Tie Vine
1770 - Jamesianthus alabamensis — Alabama Warbonnet
1771 - Jasminum nudiflorum — Winter Jasmine
1772 - Jeffersonia diphylla — Twinleaf
1773 - Juglans cinerea — Butternut, White Walnut
1774 - Juglans nigra — Black Walnut
1775 - Juncus acuminatus — Tapertip Rush
1776 - Juncus coriaceus — Leathery Rush
1777 - Juncus dichotomus — Forked Rush
1778 - Juncus effusus var. solutus — Soft Rush, Common Rush
1779 - Juncus georgianus — Georgia Rush
1780 - Juncus gymnocarpus — Seep Rush, Beaked Rush, Pennsylvania Rush
1781 - Juncus marginatus — Grassleaf Rush
1782 - Juncus megacephalus — Large-headed Rush, Bighead Rush
1783 - Juncus roemerianus — Black Needlerush
1784 - Juncus subcaudatus var. subcaudatus — Somewhat-tailed Rush, Woodland Rush
1785 - Juncus tenuis — Path Rush, Poverty Rush
1786 - Juncus trigonocarpus — Redpod Rush
1787 - Juniperus communis var. depressa — Ground Juniper, Mountain Juniper, Common Juniper
1788 - Juniperus virginiana var. silicicola — Southern Red Cedar, Coastal Red Cedar
1789 - Juniperus virginiana var. virginiana — Eastern Red Cedar
1790 - Justicia americana — American Water-willow
1791 - Justicia angusta — Pineland Water-willow, Narrowleaf Water-willow
1792 - Justicia crassifolia — thickleaf water-willow
1793 - Justicia ovata var. ovata — Coastal Plain Water-willow, Looseflower Water-willow
1794 - Kallstroemia maxima — Greater Caltrop
1795 - Kalmia angustifolia — Northern Sheepkill, Sheep Laurel, Lamb-kill
1796 - Kalmia carolina — Southern Sheepkill, Carolina Wicky, Carolina Sheep Laurel, Carolina Bog Myrtle
1797 - Kalmia cuneata — White Wicky
1798 - Kalmia hirsuta — Hairy Wicky
1799 - Kalmia latifolia — Mountain Laurel, Ivy, Calico-bush, Mountain Ivy
1800 - Kalopanax septemlobus — Castor Aralia
1801 - Kerria japonica — Japanese-rose, Kerria
1802 - Koelreuteria paniculata — Golden Rain-tree
1803 - Kosteletzkya virginica — Southern Seashore Mallow, Seashore Marshmallow, Virginia Saltmarsh Mallow
1804 - Krameria lanceolata — Trailing Ratany, Sandspur, Spreading Ratanay, trailing krameria
1805 - Krigia biflora var. biflora — Orange Dwarf-dandelion, Two-flower Dwarf-dandelion, Two-flower Cynthia
1806 - Krigia caespitosa — Opposite-leaf Dwarf-dandelion
1807 - Krigia dandelion — Colonial Dwarf-dandelion, Potato Dwarf-dandelion
1808 - Krigia montana — Mountain Dwarf-dandelion, Mountain Cynthia
1809 - Krigia virginica — Virginia Dwarf-dandelion
1810 - Kummerowia stipulacea — Korean Clover, Korean Lespedeza
1811 - Kummerowia striata — Japanese Clover, Common Lespedeza, Annual Lespedeza
1812 - Kyllinga odorata — Whitehead Sedge, Fragrant Spikesedge
1813 - Kyllinga pumila — Annual Greenhead Sedge, Low Spikesedge
1814 - Kyllinga squamulata — Crested Greenhead Sedge
1815 - Lachnanthes caroliana — Carolina Redroot
1816 - Lachnocaulon anceps — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton
1817 - Lachnocaulon beyrichianum — Southern Bogbuttons
1818 - Lactuca biennis — Tall Blue Lettuce
1819 - Lactuca canadensis — American Wild Lettuce, Canada Lettuce
1820 - Lactuca floridana var. floridana — Woodland Lettuce
1821 - Lactuca graminifolia var. graminifolia — Coastal Plain Lettuce, Slender Wild Lettuce, Grassleaf Lettuce
1822 - Lactuca hirsuta var. sanguinea — Red Wood Lettuce, Downy Lettuce, Hairy Lettuce
1823 - Lactuca saligna — Willowleaf Lettuce
1824 - Lactuca serriola — Prickly Lettuce
1825 - Lagarosiphon major — African Elodea, oxygen-weed, South African oxygen weed
1826 - Lagerstroemia indica — Crape-myrtle
1827 - Lamium amplexicaule — Henbit
1828 - Lamium maculatum — Spotted Deadnettle
1829 - Lamium purpureum var. purpureum — Purple Deadnettle, Red Deadnettle
1830 - Lantana camara — Common Lantana, Hedgeflower
1831 - Lantana depressa var. floridana — Florida Lantana, East Florida Lantana
1832 - Lantana montevidensis — Trailing Shrub-verbena, Polecat-geranium
1833 - Lantana urticoides — Texas Lantana, Hierba De Cristo, West Indies Shrub-verbena
1834 - Laportea aestuans — West Indian Wood Nettle
1835 - Laportea canadensis — Canada Wood-nettle
1836 - Lapsana communis — Nipplewort
1837 - Larix decidua — European Larch
1838 - Larix laricina — Eastern Tamarack, Eastern Larch
1839 - Lathyrus hirsutus — Caley Pea, Singletary Pea
1840 - Lathyrus latifolius — Everlasting Pea, Perennial Sweet Pea
1841 - Lathyrus odoratus — Sweet Pea
1842 - Lathyrus sylvestris — Perennial Pea, Narrowleaf Everlasting Pea, Flat Peavine
1843 - Lathyrus venosus — Wood Pea, Forest Pea, Bush Vetch, Veiny Pea
1844 - Leavenworthia exigua var. exigua — Tennessee Gladecress, Least Glade-cress
1845 - Leavenworthia uniflora — Michaux's Glade-cress
1846 - Lechea deckertii — Deckert's Pinweed
1847 - Lechea racemulosa — Racemose Pinweed, Oblong-fruit Pinweed
1848 - Lechea tenuifolia — Narrowleaf Pinweed
1849 - Leersia lenticularis — Catchfly Cutgrass
1850 - Leersia oryzoides — Rice Cutgrass
1851 - Leersia virginica — White Cutgrass, Whitegrass
1852 - Leiophyllum buxifolium — Sand-myrtle, Mountain Myrtle
1853 - Leitneria floridana — Corkwood, Florida Corkwood
1854 - Lemna perpusilla — Tiny Duckweed, Small Duckweed, Minute Duckweed
1855 - Leonurus cardiaca ssp. cardiaca — Motherwort, Lion's-tail
1856 - Lepidium campestre — Cow Cress, Field Pepperwort, Field Cress, Field Pepperweed
1857 - Lepidium latifolium — Broadleaf Pepper-grass
1858 - Lepidium virginicum var. virginicum — Poor Man's Pepper, Peppergrass
1859 - Leptochloa dubia — Green Sprangletop
1860 - Leptochloa panicea ssp. brachiata — Red Sprangletop
1861 - Leptochloa panicea ssp. mucronata — Red Spangletop
1862 - Lespedeza angustifolia — Narrowleaf Lespedeza, Narrowleaf Bush-clover
1863 - Lespedeza bicolor — Bicolor Lespedeza, Bicolor, Shrubby Lespedeza
1864 - Lespedeza capitata — Roundhead Lespedeza, Roundhead Bush-clover, Silvery Bush-clover
1865 - Lespedeza cuneata — Sericea Lespedeza, Chinese Lespedeza
1866 - Lespedeza frutescens — Violet Lespedeza, Shrubby Bush-clover
1867 - Lespedeza hirta + — Hairy Bush-clover, Hairy Lespedeza, Silvery Lespedeza
1868 - Lespedeza procumbens — Downy Trailing Lespedeza, Trailing Bush-clover
1869 - Lespedeza repens — Smooth Trailing Lespedeza, Creeping Lespedeza, Creeping Bush-clover
1870 - Lespedeza stuevei — Velvety Lespedeza, Stueve's Bush-clover, Tall Lespedeza
1871 - Lespedeza thunbergii — Thunberg's Lespedeza
1872 - Lespedeza violacea — Wand Lespedeza, Wandlike Bush-clover, Violet Bush-clover
1873 - Lespedeza virginica — Virginia Lespedeza, Slender Lespedeza, Virginia Bush-clover, Slender Bush-clover
1874 - Leucaena leucocephala — White Leadtree, Leucaena, Jumbie-bean
1875 - Leucanthemum vulgare — Oxeye Daisy, Common Daisy
1876 - Leucojum aestivum ssp. aestivum — Summer Snowflake
1877 - Leucothoe axillaris — Coastal Doghobble, Coastal Plain Doghobble
1878 - Leucothoe fontanesiana — Mountain Doghobble, Highland Doghobble, Switch-ivy
1879 - Liatris aspera var. intermedia — Rough Blazing-star
1880 - Liatris chapmanii — Chapman's Blazing-star
1881 - Liatris cokeri — Sandhills Blazing-star
1882 - Liatris elegans var. elegans — Common Elegant Blazing-star
1883 - Liatris garberi — Garber’s Blazing-star
1884 - Liatris helleri — Smooth Blazing-star, Heller's Blazing-star
1885 - Liatris microcephala — Narrowleaf Blazing-star, Smallhead Blazing-star
1886 - Liatris pauciflora — Sandhills Blazing-star, One-sided Blazing-star, Lax Blazing-star
1887 - Liatris pilosa — Grassleaf Blazing-star, Shaggy Blazing-star
1888 - Liatris pycnostachya + — Prairie Blazing-star
1889 - Liatris scariosa var. scariosa — Northern Blazing-star
1890 - Liatris spicata var. resinosa — Dense Blazing-star, Bog Blazing-star
1891 - Liatris spicata var. spicata — Dense Blazing-star, Mountain Blazing-star, Florist's Gayfeather, Dense Gayfeather
1892 - Liatris squarrosa var. squarrosa — Scaly Blazing-star, Squarrose Gayfeather, Longbracted Blazing-star
1893 - Liatris squarrulosa — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star
1894 - Liatris tenuifolia var. tenuifolia — Shortleaf Blazing-star, Shortleaf Gayfeather, Slender Blazing-star
1895 - Liatris virgata — Wand Blazing-star
1896 - Licania michauxii — Gopher-apple, Ground-oak
1897 - Ligusticum canadense — American Lovage
1898 - Ligustrum amurense — Amur Privet
1899 - Ligustrum japonicum — Japanese Privet
1900 - Ligustrum lucidum — Glossy Privet, Broadleaf Privet
1901 - Ligustrum obtusifolium — Border Privet
1902 - Ligustrum ovalifolium — California Privet
1903 - Ligustrum sinense — Chinese Privet
1904 - Ligustrum vulgare — European Privet, Common Privet
1905 - Lilaeopsis carolinensis — Carolina Lilaeopsis, Carolina Grasswort
1906 - Lilaeopsis chinensis — Marsh Lilaeopsis, Eastern Grasswort
1907 - Lilium canadense ssp. canadense — Canada Lily
1908 - Lilium catesbaei + — Pine Lily, Catesby's Lily, Leopard Lily
1909 - Lilium grayi — Gray's Lily, Roan Lily
1910 - Lilium iridollae — Sandhills Lily, Sandhills Bog Lily
1911 - Lilium lancifolium — Tiger Lily
1912 - Lilium longiflorum — Easter Lily
1913 - Lilium michauxii — Carolina Lily
1914 - Lilium michiganense — Michigan Lily
1915 - Lilium philadelphicum var. philadelphicum — Wood Lily
1916 - Lilium superbum — Turk's Cap Lily
1917 - Limnobium spongia — American Frogsbit, Spongeplant
1918 - Limnophila sessiliflora — Asian Marshweed
1919 - Limonium carolinianum — Carolina Sea-lavender
1920 - Linaria dalmatica ssp. dalmatica — Dalmation Toadflax
1921 - Linaria purpurea — purple toadflax
1922 - Linaria vulgaris — Butter-and-eggs, Yellow Toadflax, Wild-snapdragon
1923 - Lindera benzoin var. benzoin — Northern Spicebush, Wild Allspice
1924 - Lindera melissifolia — Southern Spicebush, Pondberry
1925 - Lindera subcoriacea — Bog Spicebush, Streamhead Spicebush
1926 - Lindernia dubia var. dubia — Yellowseed False Pimpernel
1927 - Lindernia monticola — Flatrock Pimpernel, Riverbank Pimpernel, False Pimpernel, Piedmont False-pimpernel
1928 - Linum floridanum var. chrysocarpum — Yellow-fruited Yellow Flax, Florida yellow flax
1929 - Linum floridanum var. floridanum — Florida Yellow Flax, Savanna Flax
1930 - Linum intercursum — Bicknell's Yellow Flax, Sandplain Yellow Flax
1931 - Linum medium var. texanum — Texas Yellow Flax, Stiff Yellow Flax, Spreading Flax, Texas Flax
1932 - Linum striatum — Ridgestem Yellow Flax, Ridged Yellow Flax
1933 - Linum virginianum — Virginia Yellow Flax, Woodland Flax
1934 - Liparis liliifolia — Lily-leaf Twayblade, Large Twayblade, Purple Twayblade, Brown Wide-lip Orchid
1935 - Liparis loeselii — Fen Orchid, Bog Twayblade, Loesel's Twayblade, Yellow Wide-lip Orchid
1936 - Liquidambar styraciflua — Sweetgum
1937 - Liriodendron tulipifera — Tuliptree, Yellow Poplar, Whitewood
1938 - Liriope graminifolia — Liriope, Lilyturf
1939 - Liriope muscari — Liriope, Big Blue Lilyturf
1940 - Liriope spicata — Liriope, Creeping Lilyturf
1941 - Listera australis — Southern Twayblade
1942 - Listera smallii — Kidneyleaf Twayblade, Appalachian Twayblade, Small's Twayblade
1943 - Lithospermum canescens — Hoary Puccoon, Indian-paint
1944 - Lithospermum caroliniense var. caroliniense — Coastal Plain Puccoon, Hairy Puccoon, Sandhill Puccoon
1945 - Lithospermum latifolium — American Gromwell, Broadleaf Gromwell
1946 - Lithospermum tuberosum — Southern Stoneseed
1947 - Litsea aestivalis — Pondspice
1948 - Lobelia amoena var. amoena — Southern Lobelia
1949 - Lobelia boykinii — Boykin's Lobelia
1950 - Lobelia cardinalis — Cardinal Flower
1951 - Lobelia elongata — Purple Lobelia, Streamside Lobelia, Longleaf Lobelia
1952 - Lobelia glandulosa — Savanna Lobelia, Glade Lobelia
1953 - Lobelia inflata — Indian-tobacco, Pukeweed
1954 - Lobelia nuttallii — Nuttall's Lobelia
1955 - Lobelia paludosa — White Lobelia
1956 - Lobelia puberula var. puberula — Downy Lobelia, Hairy Lobelia
1957 - Lobelia siphilitica var. siphilitica — Great Blue Lobelia
1958 - Lobelia spicata var. spicata — Pale Spiked Lobelia, Palespike Lobelia
1959 - Lolium perenne ssp. multiflorum — Italian Ryegrass, Annual Ryegrass
1960 - Lolium perenne ssp. perenne — English Ryegrass, Perennial Ryegrass
1961 - Lolium temulentum ssp. temulentum — Darnel Ryegrass, Darnel
1962 - Lonicera ×bella [morrowii × tatarica] — Bell's Honeysuckle, Pretty Honeysuckle, Showy Honeysuckle
1963 - Lonicera canadensis — American Fly-honeysuckle, Fly-honeysuckle
1964 - Lonicera dioica — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle
1965 - Lonicera flava — Yellow Honeysuckle
1966 - Lonicera fragrantissima — Sweet-breath-of-spring, Winter Honeysuckle
1967 - Lonicera japonica — Japanese Honeysuckle
1968 - Lonicera maackii — Amur Bush-honeysuckle, Amur Honeysuckle
1969 - Lonicera morrowii — Morrow's Honeysuckle
1970 - Lonicera sempervirens — Coral Honeysuckle, Woodbine, Trumpet Honeysuckle
1971 - Lonicera standishii — Standish's Honeysuckle
1972 - Lonicera tatarica — Tatarian Honeysuckle
1973 - Lonicera xylosteum — European Fly-honeysuckle, Dwarf Honeysuckle
1974 - Lophiola aurea — Goldencrest
1975 - Lotus corniculatus — Birdsfoot-trefoil, Eggs-and-Bacon
1976 - Lotus glaber — Narrowleaf Birdsfoot-trefoil, Slender Birdsfoot-trefoil
1977 - Lotus unifoliolatus var. helleri — Carolina Prairie-trefoil
1978 - Ludwigia alternifolia — Alternate-leaf Seedbox, Bushy Seedbox
1979 - Ludwigia arcuata — Pondshore Seedbox, piedmont primrose-willow, Needleleaf Ludwigia
1980 - Ludwigia brevipes — Long Beach Seedbox, Coastal Plain Water-purslane
1981 - Ludwigia decurrens — Wingstem Water-primrose, Wingleaf Primrose-willow
1982 - Ludwigia grandiflora ssp. grandiflora — Showy Water-primrose, Large-flower Water-primrose
1983 - Ludwigia grandiflora ssp. hexapetala — Common Water-primrose
1984 - Ludwigia hirtella — Rafinesque's Seedbox
1985 - Ludwigia leptocarpa — Water-willow, Primrose Willow, Anglestem Primrose-willow
1986 - Ludwigia maritima — Harper's Seedbox, Seaside Seedbox
1987 - Ludwigia palustris — Common Water-purslane, Marsh Purslane, Marsh Seedbox
1988 - Ludwigia repens — Creeping Seedbox
1989 - Ludwigia suffruticosa — Shrubby Seedbox
1990 - Ludwigia virgata — Savanna Seedbox, Slender Seedbox
1991 - Lunaria annua — Money Plant, Annual Honesty, Silver-dollar Plant
1992 - Lupinus angustifolius — Narrowleaf Lupine
1993 - Lupinus diffusus — Blue Sandhill Lupine, Sky-blue Lupine
1994 - Lupinus perennis ssp. gracilis — Southern Sundial Lupine
1995 - Lupinus perennis ssp. perennis var. perennis — Northern Sundial Lupine
1996 - Lupinus villosus — Lady Lupine, Pink Sandhill Lupine
1997 - Luzula acuminata ssp. acuminata — Hairy Woodrush
1998 - Luzula acuminata ssp. carolinae — Carolina woodrush, Southern Hairy Woodrush
1999 - Luzula bulbosa — Bulbous Woodrush
2000 - Luzula echinata — Hedgehog Woodrush, Spreading Woodrush
2001 - Luzula multiflora ssp. multiflora var. multiflora — Common Woodrush
2002 - Lychnis coronaria — Rose Campion, Mullein-pink
2003 - Lychnis flos-cuculi — Ragged Robin
2004 - Lycium carolinianum var. carolinianum — Christmas-berry, Carolina Matrimony-vine
2005 - Lycopodiella alopecuroides — Foxtail Clubmoss, Foxtail Bog Clubmoss
2006 - Lycopodiella appressa — Southern Bog Clubmoss
2007 - Lycopodiella caroliniana var. caroliniana — Carolina Bog Clubmoss, Slender Clubmoss
2008 - Lycopodiella cernua var. cernua — Nodding Clubmoss, Staghorn Clubmoss
2009 - Lycopodiella prostrata — Featherstem Clubmoss, Prostrate Bog Clubmoss
2010 - Lycopodium annotinum — Stiff Clubmoss, Bristly Clubmoss
2011 - Lycopodium clavatum — Staghorn Clubmoss, Running Clubmoss, Ground-pine
2012 - Lycopodium dendroideum — Prickly Tree-clubmoss, Round-branch Clubmoss, Tree Ground-pine
2013 - Lycopodium digitatum — Southern Ground-cedar, Common Running-cedar, Fan Ground-pine, Running Ground-pine
2014 - Lycopodium hickeyi — Hickey's Tree-clubmoss, Pennsylvania Ground-pine
2015 - Lycopodium obscurum — Flat-branched Tree-clubmoss, Common Ground-pine
2016 - Lycopodium tristachyum — Blue Ground-cedar, Blue Running-cedar
2017 - Lycopus rubellus — Stalked Bugleweed, Taperleaf Bugleweed
2018 - Lycopus virginicus — Virginia Bugleweed
2019 - Lycoris radiata — Red Spider Lily, Hurricane Lily, Surprise Lily, Magic Lily
2020 - Lygodesmia aphylla — Rose-rush, Flowering Straw
2021 - Lygodium japonicum — Japanese Climbing Fern
2022 - Lygodium microphyllum — Old World Climbing Fern, Small-leaf Climbing Fern
2023 - Lygodium palmatum — American Climbing Fern
2024 - Lyonia ferruginea — Rusty Lyonia, Staggerbush, Dragonwood, Crookedwood
2025 - Lyonia fruticosa — Staggerbush, Poor-grub
2026 - Lyonia ligustrina var. ligustrina — Northern Maleberry, He-huckleberry
2027 - Lyonia lucida — Shining Fetterbush, Lyonia, Hemleaf
2028 - Lyonia mariana — Staggerbush
2029 - Lysimachia asperulifolia — Pocosin Loosestrife, "Roughleaf Loosestrife"
2030 - Lysimachia ciliata — Fringed Loosestrife
2031 - Lysimachia clethroides — Gooseneck Loosestrife
2032 - Lysimachia fraseri — Fraser's Loosestrife
2033 - Lysimachia graminea — Grassleaf Yellow-loosestrife
2034 - Lysimachia hybrida — Lowland Loosestrife
2035 - Lysimachia lanceolata — Lanceleaf Loosestrife
2036 - Lysimachia loomisii — Carolina Loosestrife, Loomis's Loosestrife
2037 - Lysimachia nummularia — Moneywort, Creeping Jenny, Creeping Charlie
2038 - Lysimachia punctata — Spotted Loosestrife, Dotted Loosestrife, Large Loosestrife
2039 - Lysimachia quadriflora — Prairie Loosestrife, Four-flower Loosestrife, Smooth Loosestrife
2040 - Lysimachia quadrifolia — Whorled Loosestrife
2041 - Lysimachia terrestris — Swamp Candles, Bog-candles, Bog Loosestrife
2042 - Lysimachia tonsa — Southern Loosestrife, Appalachian Loosestrife
2043 - Lysimachia vulgaris — Garden Loosestrife
2044 - Lythrum alatum var. alatum — Northern Winged Loosestrife
2045 - Lythrum salicaria — Purple Loosestrife
2046 - Macbridea caroliniana — Carolina Birds-in-a-nest, Carolina Macbridea, Carolina Bogmint
2047 - Maclura pomifera — Osage-orange, Hedge-apple, Bow-wood
2048 - Macroptilium lathyroides — Wild Bushbean
2049 - Macrothelypteris torresiana — Mariana Maiden Fern, Swordfern, False Maiden Fern
2050 - Magnolia acuminata — Cucumber Magnolia, Cucumber-tree
2051 - Magnolia acuminata — Piedmont Cucumber Magnolia, Yellow Cucumber-tree, Showy Cucumber Magnolia
2052 - Magnolia ashei — Ashe's Magnolia
2053 - Magnolia fraseri — Fraser Magnolia, Mountain Magnolia, Earleaf Umbrella-tree, Umbrella Tree
2054 - Magnolia grandiflora — Southern Magnolia, Bull Bay
2055 - Magnolia macrophylla — Bigleaf Magnolia, Large-leaved Magnolia, Umbrella Tree
2056 - Magnolia pyramidata — Pyramid Magnolia
2057 - Magnolia tripetala — Umbrella Magnolia, Umbrella-tree
2058 - Magnolia virginiana — Sweetbay, Sweetbay Magnolia, Swampbay
2059 - Mahonia bealei — Leatherleaf Mahonia, Chinese Mahonia, Holly-grape
2060 - Mahonia nervosa — Cascade Oregon Grape, Cascades Mahonia
2061 - Mahonia repens — Creeping Oregon Grape
2062 - Maianthemum canadense — Canada Mayflower, False Lily-of-the-valley, Wild Lily-of-the-valley
2063 - Maianthemum racemosum ssp. racemosum — False Solomon's Seal, Eastern Solomon's Plume, May-plume
2064 - Maianthemum stellatum — Starry Solomon's Seal, Starry Solomon's Plume, Starflower
2065 - Malaxis bayardii — Appalachian Adder's-mouth Orchid
2066 - Malaxis spicata — Florida Adder's-mouth Orchid
2067 - Malaxis unifolia — Green Adder's-mouth Orchid
2068 - Malus angustifolia var. angustifolia — Southern Crabapple, Wild Crabapple
2069 - Malus baccata — Siberian Crabapple
2070 - Malus coronaria — Wild Crabapple, Sweet Crabapple
2071 - Malus pumila — Common Apple
2072 - Malva moschata — Marsh Mallow, Musk Mallow, Rose Mallow
2073 - Malva neglecta — Common Mallow, Cheeses
2074 - Malva sylvestris — High Mallow, Common Mallow, Cheeses
2075 - Malvaviscus arboreus var. arboreus — Wax Mallow
2076 - Malvaviscus arboreus var. drummondii — Wax Mallow, Turk's-cap Mallow
2077 - Malvaviscus penduliflorus — Turk’s-cap Mallow, Mazapan
2078 - Manfreda virginica — Eastern Agave, Eastern False Aloe, Rattlesnake-master, American Aloe
2079 - Marshallia caespitosa — Barbara's Buttons, Seep Marshallia
2080 - Marshallia graminifolia var. cynanthera — Grassleaf Barbara's-buttons
2081 - Marshallia graminifolia var. graminifolia — Grassleaf Barbara's-buttons
2082 - Marshallia grandiflora — Appalachian Barbara's-buttons, Large-flowered Barbara's-buttons, Monongahela Barbara's-buttons
2083 - Marshallia legrandii — Oak Barrens Barbara's-buttons
2084 - Marshallia mohrii — Coosa Barbara's-buttons
2085 - Marshallia obovata var. obovata — Piedmont Barbara's-buttons, Spoon-leaved Barbara's-buttons, Spoon-shaped Barbara's-buttons
2086 - Marshallia obovata var. scaposa — Savanna Barbara's-buttons, Spoon-shaped Barbara's-buttons
2087 - Marshallia ramosa — Pineland Barbara's-buttons, Southern Barbara's-buttons
2088 - Marshallia trinervia — Colonial Barbara's-buttons, Broadleaf Barbara's-buttons
2089 - Marsilea macropoda — Golden Waterclover, Big-footed Waterclover
2090 - Marsilea minuta — Dwarf Waterclover, Small Waterclover
2091 - Marsilea mutica — Australian Waterclover, Nardoo
2092 - Marsilea quadrifolia — European Waterclover, European Pepperwort, European Water Shamrock
2093 - Matelea carolinensis — Carolina Spinypod, Climbing Milkweed, Climbing Milkvine, Maroon Carolina Milkvine
2094 - Matelea decipiens — Deceptive Spinypod
2095 - Matelea flavidula — Yellow Spinypod, Yellow Carolina Milkvine
2096 - Matelea gonocarpos — Eastern Anglepod
2097 - Matelea obliqua — Northern Spinypod, Limerock Milkvine, Climbing Milkvine
2098 - Matricaria discoidea — Pineapple-weed, Rayless Chamomile
2099 - Mayaca fluviatilis — Stream Bogmoss
2100 - Mayaca fluviatilis — Aublet's Bogmoss
2101 - Mazus miquelii — Creeping Mazus, Miquel's mazus
2102 - Mazus pumilus — Japanese Mazus
2103 - Mecardonia acuminata var. acuminata — Mecardonia, Common Axilflower
2104 - Medeola virginiana — Indian Cucumber-root
2105 - Medicago arabica — Spotted Medick, Spotted Bur-clover
2106 - Medicago lupulina — Black Medick, Yellow Trefoil
2107 - Medicago polymorpha — Toothed Medick, Smooth Bur-clover
2108 - Medicago sativa ssp. sativa — Alfalfa, Lucerne, Blue Alfalfa
2109 - Meehania cordata — Meehania, Meehan's Mint
2110 - Melaleuca quinquenervia — Paperbark Tree , Meleleuca, Punktree
2111 - Melampyrum lineare var. latifolium — Cow-wheat
2112 - Melanthera angustifolia — Everglades squarestem, Prairie Black-anthers
2113 - Melanthera nivea — Melanthera, Snow Squarestem
2114 - Melia azedarach — Chinaberry, Pride-of-India
2115 - Melica mutica — Two-flower Melicgrass
2116 - Melilotus indicus — Small Melilot, Sourclover, Indian Sweetclover
2117 - Melilotus officinalis — White Sweetclover, White Melilot
2118 - Melilotus officinalis — Yellow Sweetclover, Yellow Melilot, Ribbed Melilot
2119 - Melinis repens — Rose Natalgrass
2120 - Melissa officinalis — Lemon Balm
2121 - Melochia corchorifolia — Chocolate-weed
2122 - Melochia spicata — Bretonica Peluda
2123 - Melothria pendula var. pendula — Creeping Cucumber
2124 - Menispermum canadense — Moonseed, Yellow Parilla
2125 - Mentha ×piperita [aquatica × spicata] — Peppermint
2126 - Mentha arvensis — Canada Mint, Field Mint, Wild Mint
2127 - Mentha spicata — Spearmint
2128 - Menziesia pilosa — Minniebush
2129 - Mertensia virginica — Virginia Bluebells, Virginia Cowslip
2130 - Micranthemum umbrosum — Shade Mudflower
2131 - Microstegium vimineum — Japanese Stiltgrass, Japanese Grass, Nepalese Browntop, Nepal Grass
2132 - Microthlaspi perfoliatum — Perfoliate Pennycress, Thoroughwort Pennycress
2133 - Mikania cordifolia — Heartleaf Climbing Hempweed
2134 - Mikania scandens — Climbing Hempweed
2135 - Mimosa microphylla — Littleleaf Sensitive-briar, Eastern Sensitive-briar
2136 - Mimosa quadrivalvis var. floridana — Florida Sensitive-briar, Powderpuff Mimosa
2137 - Mimosa strigillosa — Mimosa Vine, Sensitive Vine, Powderpuff Mimosa, Vergonzosa
2138 - Mimulus alatus — Winged Monkey-flower, Sharpwing Monkey-flower
2139 - Mimulus ringens var. ringens — Allegheny Monkey-flower, Square-stemmed Monkey-flower
2140 - Minuartia caroliniana — Carolina Sandwort, Longroot, Pine-barren Sandwort
2141 - Minuartia glabra — Appalachian Sandwort
2142 - Minuartia godfreyi — Godfrey's Sandwort
2143 - Minuartia groenlandica — Greenland Sandwort, Mountain Sandwort
2144 - Minuartia patula — Lime-barren Sandwort, Glade Sandwort
2145 - Minuartia uniflora — Piedmont Sandwort, One-flower Sandwort
2146 - Mirabilis jalapa — Garden Four-o'clock, Marvel-of-Peru
2147 - Mirabilis nyctaginea — Wild Four-o'clock, Heart-leaved Umbrella-wort
2148 - Miscanthus sacchariflorus — Amur Silvergrass, Amur Plumegrass
2149 - Miscanthus sinensis — Chinese Silvergrass
2150 - Mitchella repens — Partridgeberry, Twinflower
2151 - Mitella diphylla — Two-leaved Miterwort, Bishop's Cap
2152 - Mitreola petiolata — Caribbean Miterwort, Lax Hornpod
2153 - Mitreola sessilifolia — Small-leaved Miterwort, Swamp Hornpod
2154 - Mitreola sessilifolia — Narrow-leaved Miterwort
2155 - Modiola caroliniana — Carolina Bristlemallow, Bristly-mallow, Carolina Mallow
2156 - Mollugo verticillata — Carpetweed, Indian-chickweed, Green Carpetweed
2157 - Momordica charantia — Balsam-pear, Balsam-apple, Bitter Melon
2158 - Monarda citriodora ssp. citriodora var. citriodora — Lemon Bergamot, Lemon Mint
2159 - Monarda clinopodia — Basil Bergamot, Basil Balm, White Bergamot
2160 - Monarda didyma — Scarlet Beebalm, Oswego Tea
2161 - Monarda fistulosa + — Wild Bergamot
2162 - Monarda media — Purple Beebalm, Purple Bergamot
2163 - Monarda punctata ssp. punctata var. punctata — Eastern Horse-mint, Spotted Beebalm
2164 - Monochoria vaginalis — Monochoria, heartshape false pickerelweed
2165 - Monotropa hypopitys — Eastern Pinesap
2166 - Monotropa hypopitys — Hairy Pinesap, Appalachian Red Pinesap
2167 - Monotropa uniflora — Indian Pipes, Ghost Flower
2168 - Monotropsis odorata — Appalachian Pygmy Pipes, Sweet Pinesap
2169 - Morella caroliniensis — Pocossin Bayberry, Evergreen Bayberry, Swamp Candleberry, Southern Bayberry
2170 - Morella cerifera — Common Wax-myrtle, Southern Bayberry
2171 - Morella cerifera — Dwarf Wax-myrtle, Dwarf Bayberry
2172 - Morella inodora — Scentless Bayberry, Odorless Bayberry
2173 - Morella pensylvanica — Northern Bayberry
2174 - Morus alba — White Mulberry, Silkworm Mulberry, Russian Mulberry
2175 - Morus rubra var. rubra — Red Mulberry
2176 - Mosla dianthera — Miniature Beefsteak-plant, Mosla
2177 - Muhlenbergia capillaris — Pink Muhlygrass, Upland Muhly, Hair-awn Muhly, Hairgrass
2178 - Muhlenbergia expansa — Savannah Hairgrass, Cut-over Muhly
2179 - Muhlenbergia filipes — Dune Hairgrass, Sweetgrass
2180 - Muhlenbergia mexicana — Hairy Wirestem Muhly, Mexican Muhly
2181 - Muhlenbergia schreberi — Nimblewill
2182 - Muhlenbergia sylvatica — Woodland Muhly
2183 - Muhlenbergia tenuiflora — Slender Muhly
2184 - Murdannia keisak — Murdannia, Asian Spiderwort, Marsh Dewflower, Wart-removing Herb
2185 - Murdannia nudiflora — Doveweed, Naked-stem Dewflower
2186 - Muscari botryoides — Compact Grape-hyacinth
2187 - Muscari neglectum — Starch Grape-hyacinth, Blue Bottles
2188 - Myosotis arvensis — Field Forget-me-not, Field Scorpion-grass
2189 - Myosotis discolor — Yellow-and-blue Scorpion-grass, Changing Forget-me-not
2190 - Myosotis laxa — Smaller Forget-me-not, Marsh Forget-me-not, Tufted Forget-me-not
2191 - Myosotis macrosperma — Bigseed Forget-me-not, Scorpion-grass, Largeseed Forget-me-not
2192 - Myosotis scorpioides — Water Scorpion-grass, True Forget-me-not
2193 - Myosotis stricta — Blue Scorpion-grass
2194 - Myosotis verna — Spring Forget-me-not, Early Forget-me-not, Early Scorpion-grass
2195 - Myosoton aquaticum — Water-chickweed, Giant Chickweed, Water Mouse-ear
2196 - Myosurus minimus — Mousetail
2197 - Myrica gale — Sweet-gale
2198 - Myriophyllum aquaticum — Parrot-feather
2199 - Myriophyllum heterophyllum — Southern Water-milfoil, Variable-leaf Water-milfoil
2200 - Myriophyllum laxum — Loose Water-milfoil, Sandhills Milfoil, Lax Water-milfoil, Piedmont Water-milfoil
2201 - Myriophyllum sibiricum — Common Water-milfoil
2202 - Myriophyllum spicatum — Eurasian Water-milfoil
2203 - Myriophyllum verticillatum — Water-milfoil
2204 - Najas filifolia — Narrowleaf Naiad, needleleaf waternymph
2205 - Najas gracillima — Slender Naiad, Slender Waternymph, Bushy Naiad
2206 - Najas guadalupensis ssp. guadalupensis — Southern Naiad, Southern Waternymph
2207 - Najas minor — Spinyleaf Naiad, Brittle Waternymph
2208 - Nama jamaicense — Jamaica Weed
2209 - Nandina domestica — Nandina, Heavenly-bamboo, Sacred-bamboo
2210 - Narcissus pseudonarcissus — Common Daffodil
2211 - Nassella trichotoma — Serrated Tussockgrass, Nassella Tussock, Yass River Tussock
2212 - Nasturtium microphyllum — Narrow-fruited Watercress, One-row Yellowcress
2213 - Nasturtium officinale — Watercress
2214 - Nelumbo lutea — Yonkapin, American Lotus-lily, Yellow Nelumbo, Pond-nuts
2215 - Nelumbo nucifera — Sacred Lotus, Oriental Lotus-lily, Pink Lotus
2216 - Nemophila aphylla — Baby Blue Eyes
2217 - Nepeta cataria — Catnip, Catmint
2218 - Nephrolepis cordifolia — Narrow Sword Fern, Tuber Sword Fern, Fishbone Fern, Ladder Fern
2219 - Nerium oleander — Oleander
2220 - Nestronia umbellula — Nestronia, Conjurer's-nut, Leechbush
2221 - Neviusia alabamensis — Alabama Snow-wreath, Neviusia
2222 - Nicandra physalodes — Apple-of-Peru, Shoo-fly-plant
2223 - Nolina georgiana — Georgia Beargrass, Sandhills Lily
2224 - Nothoscordum bivalve — False Garlic, Grace Garlic
2225 - Nuphar lutea ssp. advena — Broadleaf Pondlily, Cow-lily, Spatterdock, Yellow Pond Lily
2226 - Nuphar lutea ssp. sagittifolia — Narrowleaf Pondlily, Cow-lily, Spatterdock, Bonnets
2227 - Nuttallanthus canadensis — Oldfield Toadflax, Common Toadflax, Canada Toadflax
2228 - Nuttallanthus texanus — Texas Toadflax
2229 - Nymphaea elegans — Tropical Blue Water-lily
2230 - Nymphaea mexicana — Yellow Water-lily, Banana Water-lily
2231 - Nymphaea odorata ssp. odorata — Fragrant White Water-lily, American Water-lily, Sweet Water-lily
2232 - Nymphoides aquatica — Big Floating Heart, Banana Floating Heart
2233 - Nymphoides cordata — Little Floating Heart
2234 - Nymphoides cristata — Crested Floating Heart, Water Snowflake
2235 - Nymphoides peltata — Yellow Floating Heart
2236 - Nyssa aquatica — Water Tupelo, Cotton Gum, Tupelo Gum
2237 - Nyssa biflora — Swamp Tupelo, Swamp Blackgum, Swamp Gum, Water Gum
2238 - Nyssa ogeche — Ogeechee Tupelo, Ogeechee Lime, Ogeechee Plum
2239 - Nyssa sylvatica — Blackgum, Black Tupelo, Sour Gum
2240 - Nyssa ursina — Bear Tupelo, Apalachicola Tupelo
2241 - Obolaria virginica — Pennywort, Virginia Pennywort
2242 - Oclemena acuminata — Whorled Wood Aster, Floral Wood Aster, Whorled Aster, Whorled Nodding-aster
2243 - Oclemena reticulata — Pine-barren Aster, Whitetop Aster
2244 - Oenanthe javanica — Water Celery, Water Parsley, Java Dropwort, Seri
2245 - Oenothera argillicola — Shale-barren Evening Primrose, Shale Evening Primrose
2246 - Oenothera biennis — Common Evening Primrose
2247 - Oenothera drummondii — Beach Evening Primrose, Drummond's Evening Primrose
2248 - Oenothera fruticosa + — Northern Sundrops, Appalachian Sundrops
2249 - Oenothera fruticosa ssp. fruticosa — Southern Sundrops, Narrowleaf Sundrops
2250 - Oenothera fruticosa ssp. glauca — Riverbank Evening Primrose, Riverbank Sundrops
2251 - Oenothera humifusa — Dunes Evening Primrose, Seabeach Evening Primrose, Spreading Evening Primrose
2252 - Oenothera laciniata — Cutleaf Evening Primrose
2253 - Oenothera linifolia — Threadleaf Sundrops, Flaxleaf Sundrops
2254 - Oenothera perennis — Little Sundrops, Small Sundrops
2255 - Oenothera speciosa — Showy Evening Primrose, White Evening Primrose, Pink-ladies, Pink Evening Primrose
2256 - Oenothera triloba — Stemless Evening Primrose
2257 - Oldenlandia boscii — Bosc's Bluet
2258 - Oldenlandia corymbosa — Diamond-flower, Flattop Mille-graines
2259 - Oldenlandia uniflora — Oldenlandia, Clustered Bluet
2260 - Oligoneuron album — Prairie Goldenrod, White Prairie-goldenrod, Upland White Aster
2261 - Oligoneuron riddellii — Riddell's Goldenrod
2262 - Oligoneuron rigidum var. glabratum — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod
2263 - Oligoneuron rigidum var. rigidum — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod
2264 - Onoclea sensibilis — Sensitive Fern, Bead Fern
2265 - Onosmodium bejariense var. occidentale — Western Marbleseed
2266 - Onosmodium virginianum — Virginia Marbleseed, Virginia False Gromwell
2267 - Ophioglossum crotalophoroides var. crotalophoroides — Bulbous Adder's-tongue, Dwarf Adder's Tongue
2268 - Ophioglossum engelmannii — Engelmann's Adder's-tongue, Limestone Adder's-tongue
2269 - Ophioglossum nudicaule — Slender Adder's-tongue
2270 - Ophioglossum petiolatum — Longstem Adder's-tongue, Stalked Adder's-tongue Fern, Longstem Adder's-tongue
2271 - Ophioglossum vulgatum — Southern Adder's-tongue
2272 - Ophiopogon japonicus — Mondo Grass, Black Mondo, Monkeygrass
2273 - Oplismenus hirtellus ssp. setarius — Shortleaf Basketgrass, Bristle Basketgrass, Woods-grass
2274 - Oplismenus hirtellus ssp. undulatifolius — Wavyleaf Basketgrass
2275 - Opuntia dillenii — Coastal Prickly Pear, Shell Midden Prickly-pear, Yaaxpakan, Erect Prickly-pear
2276 - Opuntia humifusa — Eastern Prickly Pear
2277 - Opuntia humifusa — Common Eastern Prickly Pear
2278 - Opuntia humifusa — Eastern Prickly Pear
2279 - Opuntia pusilla — Dune Prickly Pear, Dune Devil-joint, Devils-joint Cactus, Little Prickly-pear
2280 - Opuntia stricta — Coastal Prickly Pear, Shell Midden Prickly-pear, Erect Prickly-pear
2281 - Orbexilum lupinellum — Lupine Scurfpea, Sandhill Scurfpea
2282 - Orbexilum pedunculatum var. pedunculatum — Western Sampson's Snakeroot
2283 - Orbexilum pedunculatum var. psoralioides — Eastern Sampson's Snakeroot
2284 - Orbexilum virgatum — Pineland Leatherroot, Slender Leatherroot, Pineland Scurfpea
2285 - Ornithogalum nutans — Drooping Star of Bethlehem
2286 - Ornithogalum umbellatum — Garden Star of Bethlehem
2287 - Orobanche minor — Lesser Broomrape, Small Broomrape
2288 - Orobanche ramosa — Branching Broomrape, Hemp Broomrape, Branched Broomrape
2289 - Orobanche uniflora — One-flowered Cancer-root, One-flowered Broomrape
2290 - Orontium aquaticum — Golden Club, Never-wet, Bog Torches
2291 - Osmanthus americanus var. americanus — Devilwood, Wild Olive
2292 - Osmanthus fragrans — Fragrant Tea Olive
2293 - Osmorhiza claytonii — Bland Sweet Cicely, Hairy Sweet Cicely
2294 - Osmorhiza longistylis — Aniseroot, Smooth Sweet Cicely, Longstyle Sweet-cicely
2295 - Osmunda cinnamomea var. cinnamomea — Cinnamon Fern
2296 - Osmunda claytoniana — Interrupted Fern
2297 - Osmunda regalis var. spectabilis — American Royal Fern
2298 - Ostrya virginiana var. virginiana — American Hop-hornbeam, Ironwood, Eastern Hop-hornbeam
2299 - Ottelia alismoides — Duck lettuce
2300 - Oxalis corniculata — Creeping Lady's-sorrel
2301 - Oxalis debilis var. corymbosa — pink woodsorrel
2302 - Oxalis dillenii — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
2303 - Oxalis grandis — Large Wood-sorrel, Great Yellow Wood-sorrel
2304 - Oxalis montana — Mountain Wood-sorrel, American Wood-sorrel, Wood Shamrock, White Wood-sorrel
2305 - Oxalis priceae ssp. colorea — Flowering Yellow Wood-sorrel
2306 - Oxalis priceae ssp. colorea — Small's wood-sorrel, Tufted Yellow Wood-sorrel, (NOT Sadie Price’s Yellow Wood-sorrel)
2307 - Oxalis priceae ssp. priceae — Sadie Price’s Yellow Wood-sorrel
2308 - Oxalis rubra — windowbox wood-sorrel
2309 - Oxalis stricta — Common Yellow Wood-sorrel
2310 - Oxalis violacea — Violet Wood-sorrel
2311 - Oxycaryum cubense — Cuban Bulrush
2312 - Oxydendrum arboreum — Sourwood, Sorrel-tree
2313 - Oxypolis canbyi — Canby's Cowbane, Canby's Dropwort
2314 - Oxypolis filiformis — Water Dropwort, Water Cowbane
2315 - Oxypolis rigidior — Cowbane, Pig-potato, Stiff Cowbane
2316 - Oxypolis ternata — Savanna Cowbane
2317 - Pachysandra procumbens — Allegheny Spurge, Mountain Pachysandra
2318 - Pachysandra terminalis — Pachysandra, Japanese Spurge
2319 - Packera anonyma — Small's Ragwort, Squaw-weed, Appalachian Ragwort
2320 - Packera aurea — Golden Ragwort, Heartleaf Ragwort
2321 - Packera glabella — Butterweed, Smooth Ragwort, Yellowtop
2322 - Packera millefolium — Blue Ridge Ragwort, Yarrowleaf Ragwort, Divided-leaf Ragwort
2323 - Packera obovata — Roundleaf Ragwort, Roundleaf Groundsel, Spatulate-leaved Ragwort, Running Ragwort
2324 - Packera paupercula — Balsam Groundsel, Balsam Ragwort, Northern Meadow Groundsel
2325 - Packera paupercula — Bog Ragwort, Groundsel
2326 - Packera plattensis — Appalachian Ragwort
2327 - Packera schweinitziana — Robbins' Ragwort, New England Ragwort, New England Groundsel, Schweinitz's Ragwort
2328 - Packera serpenticola — Buck Creek Ragwort, Serpentine Ragwort
2329 - Packera tomentosa — Woolly Ragwort
2330 - Paederia foetida — Skunkvine
2331 - Panax quinquefolius — American Ginseng, Sang
2332 - Panax trifolius — Dwarf Ginseng
2333 - Panicum amarum var. amarulum — Southern Seabeach Grass, Bitter Panicgrass
2334 - Panicum amarum var. amarum — Seaside Panicum, Bitter Seabeach Grass, Bitter Panicgrass
2335 - Panicum anceps — Beaked Panicum, Beaked Panicgrass
2336 - Panicum anceps — Small Beaked Panicum, Small Beaked Panicgrass
2337 - Panicum capillare — Witchgrass, Old-witch Panicgrass, Tumbleweed, Tickle Grass
2338 - Panicum dichotomiflorum var. dichotomiflorum — Fall Panicum, Fall Panicgrass, Spreading Panicgrass
2339 - Panicum flexile — Wiry Panicgrass
2340 - Panicum philadelphicum — Woodland Panicgrass
2341 - Panicum repens — Torpedo Grass
2342 - Panicum rigidulum var. rigidulum — Redtop Panicgrass
2343 - Panicum rigidulum var. rigidulum — Dense Panicgrass
2344 - Panicum virgatum var virgatum — Blunt Switchgrass, Savanna Panic-grass, Blunt Panic Grass
2345 - Panicum virgatum var. virgatum — Switchgrass, Prairie Switchgrass
2346 - Papaver dubium — Long-headed Poppy, Blind Eyes
2347 - Papaver rhoeas — Corn Poppy, Field Poppy, Red Poppy, Flanders Poppy
2348 - Papaver somniferum — Opium Poppy, Breadseed Poppy
2349 - Parapholis incurva — Curved Sickle-grass, Hard Grass, Thin-tail
2350 - Parietaria floridana — Florida Pellitory
2351 - Parkinsonia aculeata — Jerusalem Thorn, Crown-of-Thorns, Horse-bean, Mexican Palo Verde
2352 - Parnassia asarifolia — Kidneyleaf Grass-of-Parnassus, Appalachian Grass-of-Parnassus, Brook Parnassia
2353 - Parnassia caroliniana — Carolina Grass-of-Parnassus, Savanna Parnassia, Eyebright
2354 - Parnassia grandifolia — Bigleaf Grass-of-Parnassus, Limeseep Parnassia
2355 - Paronychia argyrocoma — Silverling, Silver Whitlow-wort, Silvery Nailwort
2356 - Paronychia canadensis — Forked Chickweed, Canada Whitlow-wort, Smooth Forked Nailwort
2357 - Paronychia virginica — Yellow Nailwort, Virginia Whitlow-wort
2358 - Parthenium hysterophorus — Santa Maria Feverfew
2359 - Parthenium integrifolium var. integrifolium — Common Wild Quinine
2360 - Parthenocissus quinquefolia — Virginia Creeper
2361 - Parthenocissus vitacea — Thicket Creeper, Woodbine
2362 - Paspalidium geminatum var. paludivagum — Alligator Grass, Paspalidium, Kissimmee Grass
2363 - Paspalum bifidum — Pitchfork Paspalum, Pitchfork Crowngrass
2364 - Paspalum conjugatum — Sour Paspalum
2365 - Paspalum dilatatum — Dallis-grass
2366 - Paspalum floridanum — Florida Paspalum
2367 - Paspalum fluitans — Water Paspalum, Horsetail Crowngrass
2368 - Paspalum laeve — Field Crowngrass, Field Paspalum
2369 - Paspalum laeve — Field Crowngrass, Field Paspalum
2370 - Paspalum notatum var. notatum — Bahia-grass
2371 - Paspalum praecox — Early Crowngrass
2372 - Paspalum quadrifarium — Tussock Paspalum
2373 - Paspalum scrobiculatum — Ricegrass Paspalum, Indian Paspalum
2374 - Paspalum urvillei — Vasey Grass
2375 - Paspalum vaginatum — Sand Knotgrass, Seashore Crowngrass
2376 - Passiflora incarnata — Passionflower, Maypop
2377 - Passiflora lutea — Yellow Passionflower
2378 - Pastinaca sativa — Wild Parsnip
2379 - Paulownia tomentosa — Princess Tree, Empress Tree, Royal Paulownia
2380 - Paxistima canbyi — Canby's Mountain Lover, Ratstripper, Cliff-green
2381 - Pectis prostrata — spreading chinchweed
2382 - Pedicularis canadensis ssp. canadensis — Wood Betony, Eastern Lousewort, Fernleaf, Canadian Lousewort
2383 - Pedicularis lanceolata — Swamp Lousewort
2384 - Pediomelum canescens — Buckroot, Eastern Prairie-turnip, Hoary Scurfpea
2385 - Pediomelum subacaule — Nashville Breadroot
2386 - Pellaea atropurpurea — Purple Cliffbrake
2387 - Pellaea ternifolia ssp. arizonica — Arizona Cliffbrake
2388 - Pellaea wrightiana — Wright's Cliffbrake
2389 - Peltandra sagittifolia — White Arrow-arum, White Arum, Spoonflower
2390 - Peltandra virginica — Green Arrow-arum, Tuckahoe
2391 - Pennisetum alopecuroides — Chinese Fountaingrass, Black Fountaingrass
2392 - Pennisetum ciliare — Buffelgrass
2393 - Pennisetum glaucum — Pearl Millet
2394 - Pennisetum setaceum — Tender Fountaingrass
2395 - Penstemon australis — Downy Beardtongue, Sandhill Beardtongue, Southern Beardtongue, Southeastern Beardtongue
2396 - Penstemon calycosus — Longsepal Beardtongue
2397 - Penstemon canescens — Appalachian Beardtongue, Gray's Beardtongue, Eastern Gray Beardtongue
2398 - Penstemon digitalis — Foxglove Beardtongue, Tall White Beardtongue
2399 - Penstemon dissectus — Georgia Beardtongue, Grit Beardtongue
2400 - Penstemon hirsutus — Northeastern Beardtongue, Hairy Beardtongue
2401 - Penstemon laevigatus — Smooth Beardtongue, Eastern Beardtongue, Eastern Smooth Beardtongue
2402 - Penstemon multiflorus — Manyflower Beardtongue
2403 - Penstemon pallidus — Pale Beardtongue, Eastern White Beardtongue
2404 - Penstemon smallii — Small's Penstemon, Blue Ridge Beardtongue, Small's Beardtongue
2405 - Pentalinon luteum — hammock viper's-tail, Wild Allamanda
2406 - Penthorum sedoides — Ditch Stonecrop, American Penthorum
2407 - Peperomia pellucida — Pepper-elder, Man-to-man, Rat-ear
2408 - Perilla frutescens var. frutescens — Beefsteak Plant, Perilla
2409 - Periploca graeca — Silkvine
2410 - Persea borbonia — Upland Redbay
2411 - Persea palustris — Swamp Redbay
2412 - Petunia ×atkinsiana [P. axillaris × integrifolia] — Garden Petunia
2413 - Phacelia bipinnatifida — Fernleaf Phacelia, Purple Phacelia, Forest Phacelia
2414 - Phacelia dubia var. dubia — Smallflower Phacelia, Appalachian Phacelia, Small-flowered Scorpion Weed
2415 - Phacelia dubia var. georgiana — Georgia Phacelia
2416 - Phacelia fimbriata — Fringed Phacelia, Blue Ridge Phacelia
2417 - Phacelia maculata — Spotted Phacelia, Flatrock Phacelia
2418 - Phacelia purshii — Miami-mist
2419 - Phalaris arundinacea — Reed Canarygrass, Ribbongrass
2420 - Phalaris canariensis — Canarygrass, Birdseed Grass
2421 - Phanopyrum gymnocarpon — Swamp Phanopyrum, Savanna Phanopyrum, Savanna Panicgrass
2422 - Phaseolus polystachios var. polystachios — Wild Bean, Wild Kidney Bean, Thicket Bean
2423 - Phaseolus polystachios var. sinuatus — Sandhills Bean, Trailing Wild Bean
2424 - Phegopteris hexagonoptera — Broad Beech Fern
2425 - Phellodendron amurense — Amur Cork-tree, Northern Cork-tree, Japanese Cork-tree
2426 - Phemeranthus mengesii — Menges' Fameflower, Large-flowered Fameflower, Menges' Rock-pink, Large-flowered Rock-pink
2427 - Phemeranthus mengesii — Piedmont Rock-pink, Piedmont Fameflower
2428 - Phemeranthus teretifolius — Appalachian Fameflower, Appalachian Rock-pink, Rock Portulaca, Quill Fameflower
2429 - Philadelphus coronarius — European Mock-orange, Sweet Mock-orange
2430 - Philadelphus hirsutus — Hairy Mock-orange, Cumberland Mock-orange
2431 - Philadelphus inodorus — Appalachian Mock-orange, Scentless Mock-orange
2432 - Philadelphus pubescens + — Ozark Mock-orange, Hairy Mock-orange
2433 - Philydrum lanuginosum — Woolly Frogsmouth, Frogmouth, Woolly Waterlily
2434 - Phlebodium aureum — Goldfoot Fern, Golden Polypody
2435 - Phleum pratense — Timothy
2436 - Phlox amoena ssp. amoena — Hairy Phlox, Chalice Phlox
2437 - Phlox amplifolia — Broadleaf Phlox, Largeleaf Phlox
2438 - Phlox bifida ssp. bifida — Cleft Phlox, Sand Phlox
2439 - Phlox buckleyi — Swordleaf Phlox, Shale-barren Phlox
2440 - Phlox carolina + — Carolina Phlox, Thick-leaf Phlox, Giant Phlox
2441 - Phlox divaricata + — Eastern Blue Phlox, Timber Phlox, Blue Woodland Phlox, Wild Blue Phlox
2442 - Phlox drummondii ssp. drummondii — Annual Phlox, Drummond Phlox
2443 - Phlox glaberrima + — Smooth Phlox
2444 - Phlox latifolia — Mountain Phlox, Appalachian Phlox, Allegheny Phlox
2445 - Phlox maculata ssp. maculata — Northern Meadow Phlox
2446 - Phlox maculata ssp. pyramidalis — Leafy Meadow Phlox, Wild Sweet William
2447 - Phlox nivalis + — Pineland Phlox, Trailing Phlox
2448 - Phlox paniculata — Garden Phlox, Summer Phlox, Fall Phlox, Smooth Phlox
2449 - Phlox pilosa ssp. pilosa — Downy Phlox
2450 - Phlox stolonifera — Creeping Phlox
2451 - Phlox subulata + — Moss Phlox, Mountain-pink, "Thrift"
2452 - Phoradendron leucarpum — American Mistletoe, Christmas Mistletoe
2453 - Photinia Xfraseri — Fraser's Photinia, Redtip Photinia
2454 - Photinia floribunda — Purple Chokeberry
2455 - Photinia melanocarpa — Black Chokeberry
2456 - Photinia pyrifolia — Red Chokeberry
2457 - Photinia serratifolia — Taiwanese Redtip
2458 - Phragmites australis — Common Reed
2459 - Phryma leptostachya — American Lopseed
2460 - Phyla lanceolata — Marsh Frogfruit, Northern Frogfruit, Lanceleaf Frogfruit
2461 - Phyla nodiflora — Creeping Frogfruit, Capeweed, Turkey-tangle, Sawtooth Frogfruit
2462 - Phyllanthus caroliniensis ssp. caroliniensis — Carolina Leaf-flower
2463 - Phyllanthus tenellus — Mascarene Island Leaf-flower
2464 - Phyllanthus urinaria — Chamber Bitter
2465 - Phyllostachys aurea — Golden Bamboo, Fishpole Bamboo
2466 - Phyllostachys aureosulcata — Yellow-groove Bamboo
2467 - Phyllostachys bambusoides — Giant Timber Bamboo, Japanese Timber Bamboo
2468 - Phyllostachys edulis — Moso Bamboo
2469 - Phyllostachys makinoi — Makinoi Bamboo
2470 - Phyllostachys nigra — Black Bamboo
2471 - Phyllostachys rubromarginata — reddish bamboo
2472 - Physalis angulata — Smooth Ground-cherry, Cutleaf Ground-cherry
2473 - Physalis grisea — Gray Ground-cherry, Strawberry-tomato, Dwarf Cape-gooseberry
2474 - Physalis heterophylla var. heterophylla — Clammy Ground-cherry
2475 - Physalis longifolia var. subglabrata — Longleaf Ground-cherry
2476 - Physalis pubescens var. pubescens — Downy Ground-cherry, Husk-tomato
2477 - Physalis virginiana var. virginiana — Virginia Ground-cherry
2478 - Physalis walteri — Dune Ground-cherry, Sand Ground-cherry, Walter's Ground-cherry
2479 - Physocarpus opulifolius var. opulifolius — Flowering Ninebark, Eastern Ninebark
2480 - Physostegia angustifolia — Narrowleaf Obedient-plant
2481 - Physostegia leptophylla — Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead
2482 - Physostegia purpurea — Savanna Obedient-plant, Eastern False Dragonhead
2483 - Physostegia virginiana ssp. praemorsa — Southern Obedient-plant
2484 - Physostegia virginiana ssp. virginiana — Northern Obedient-plant, False Dragonhead, Obedient-plant
2485 - Phytolacca americana var. americana — Common Pokeweed, Poke
2486 - Phytolacca americana var. rigida — Maritime Pokeweed
2487 - Picea abies — Norway Spruce
2488 - Picea rubens — Red Spruce, He Balsam
2489 - Pieris floribunda — Evergreen Mountain Fetterbush, Mountain Andromeda
2490 - Pieris japonica — Japanese Andromeda, Lily-of-the-Valley Bush
2491 - Pieris phillyreifolia — Vine-wicky, Climbing Fetterbush, Climbing Wicky
2492 - Pilea microphylla — Rockweed, Artillery Weed
2493 - Pilea pumila var. pumila — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed
2494 - Piloblephis rigida — Florida Pennyroyal, Wild Pennyroyal
2495 - Pimpinella saxifraga ssp. saxifraga — Burnet-saxifrage
2496 - Pinckneya bracteata — Fevertree, Pinkneya
2497 - Pinellia ternata — Pinellia, Crow-dipper
2498 - Pinguicula caerulea — Blue Butterwort
2499 - Pinguicula lutea — Yellow Butterwort
2500 - Pinguicula pumila — Small Butterwort
2501 - Pinus clausa — Sand Pine
2502 - Pinus echinata — Shortleaf Pine, Yellow Pine, Rosemary Pine
2503 - Pinus elliottii var. elliottii — Slash Pine
2504 - Pinus glabra — Spruce Pine, Walter's Pine
2505 - Pinus palustris — Longleaf Pine, Georgia Pine, Southern Pine
2506 - Pinus pungens — Table Mountain Pine, Burr Pine, Hickory Pine
2507 - Pinus resinosa — Red Pine
2508 - Pinus rigida — Pitch Pine
2509 - Pinus serotina — Pond Pine, Pocosin Pine, Marsh Pine
2510 - Pinus strobus — Eastern White Pine
2511 - Pinus taeda — Loblolly Pine, Old Field Pine
2512 - Pinus virginiana — Virginia Pine, Scrub Pine, Jersey Pine
2513 - Piptochaetium avenaceum — Green Needlegrass, Blackseed Needlegrass, Eastern Needlegrass, Black Oatgrass
2514 - Piriqueta cistoides ssp. caroliniana — Piriqueta, Pitted Stripeseed
2515 - Pistia stratiotes — Water Lettuce
2516 - Pittosporum tobira — Japanese Pittosporum, Australian Laurel, Japanese Mock-orange
2517 - Pityopsis aspera var. adenolepis — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
2518 - Pityopsis aspera var. aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster
2519 - Pityopsis graminifolia var. graminifolia — Narrowleaf Silkgrass, Grassleaf Goldenaster
2520 - Pityopsis graminifolia var. latifolia — Common Silkgrass, Grassleaf Goldenaster
2521 - Pityopsis graminifolia var. tenuifolia — Smallhead Silkgrass, Grassleaf Goldenaster
2522 - Pityopsis oligantha — Narrowleaf Goldenaster, Few-flowered Goldenaster, Bog Goldenaster
2523 - Pityopsis pinifolia — Sandhills Goldenaster, Taylor County Goldenaster, Taylor County Silkgrass
2524 - Pityopsis ruthii — Ruth's Goldenaster
2525 - Planera aquatica — Water-elm, Planer-tree
2526 - Plantago arenaria — Sand Plantain, Leafy-stemmed Plantain
2527 - Plantago aristata — Bracted Plantain, Large-bracted Plantain, Buckhorn Plantain
2528 - Plantago cordata — Heartleaf Plantain, King-root
2529 - Plantago heterophylla — Many-seeded Plantain, Small Plantain, Slender Plantain
2530 - Plantago lanceolata — English Plantain, Buckhorn Plantain, Rib-grass
2531 - Plantago major — Common Plantain, White Man's Foot
2532 - Plantago rugelii var. rugelii — American Plantain, Broad-leaved Plantain, Blackseed Plantain, Red-stemmed Plantain
2533 - Plantago virginica — Virginia Plantain, Southern Plantain, Paleseed Plantain
2534 - Plantago wrightiana — Wright's Plantain
2535 - Platanthera blephariglottis var. blephariglottis — Small White Fringed Orchid
2536 - Platanthera blephariglottis var. conspicua — Large White Fringed Orchid, Southern White Fringed Orchid
2537 - Platanthera ciliaris — Yellow Fringed Orchid
2538 - Platanthera clavellata — Small Green Wood Orchid, Club-spur Orchid, Woodland Orchid, Streamhead Orchid
2539 - Platanthera cristata — Crested Fringed Orchid, Golden Fringed Orchid
2540 - Platanthera flava var. flava — Tubercled Orchid, Southern Rein Orchid, Southern Gypsy-spike
2541 - Platanthera flava var. herbiola — Tubercled Rein Orchid, Northern Gypsy-spike
2542 - Platanthera grandiflora — Large Purple Fringed Orchid, Plume-royal, Greater Purple Fringed Orchid
2543 - Platanthera integra — Yellow Fringeless Orchid, Golden Frog Orchid, Golden Fringeless Orchid
2544 - Platanthera integrilabia — Monkey-face Orchid, White Fringeless Orchid
2545 - Platanthera lacera — Ragged Fringed Orchid, Green Fringed Orchid, Ragged Orchid
2546 - Platanthera nivea — Snowy Orchid, Bog-spike
2547 - Platanthera orbiculata — Large Round-leaved Orchid, Dinner-plate Orchid
2548 - Platanthera peramoena — Purple Fringeless Orchid, Purple Spire Orchid, Pride-of-the-peak
2549 - Platanthera psycodes — Small Purple Fringed Orchid, Butterfly Orchid, Lesser Purple Fringed Orchid
2550 - Platanus ×hispanica [occidentalis × orientalis] — London Planetree
2551 - Platanus occidentalis — American Sycamore, Planetree
2552 - Platycladus orientalis — Oriental Arborvitae, Tree-of-life
2553 - Pleea tenuifolia — Rush-featherling, Pleea
2554 - Pleopeltis polypodioides ssp. michauxiana — Resurrection Fern, Scaly Polypody
2555 - Pluchea camphorata — Camphorweed, Camphor Pluchea, Marsh Fleabane
2556 - Pluchea foetida var. foetida — Stinking Fleabane, Marsh Fleabane, Stinking Camphorweed, Common Wild Quinine
2557 - Pluchea odorata var. odorata — Saltmarsh Fleabane, Camphorweed
2558 - Pluchea rosea — Marsh Fleabane, Rosy Camphorweed
2559 - Poa annua — Annual Bluegrass, Six-weeks Grass, Speargass
2560 - Poa autumnalis — Autumn Bluegrass
2561 - Poa compressa — Canada Bluegrass, Flat-stemmed Bluegrass
2562 - Poa cuspidata — early bluegrass
2563 - Poa pratensis ssp. pratensis — Kentucky Bluegrass, Junegrass, Speargrass
2564 - Poa sylvestris — Forest Bluegrass, Woodland Bluegrass
2565 - Poa trivialis — Rough Bluegrass
2566 - Podophyllum peltatum — May-apple, American Mandrake
2567 - Podostemum ceratophyllum — Riverweed, Threadfoot, Riffleweed
2568 - Pogonia ophioglossoides — Rose Pogonia, Snakemouth Orchid, Beardflower, Addermouth
2569 - Polemonium reptans var. reptans — Spreading Jacob's Ladder, Creeping Jacob's-ladder, Greek Valerian
2570 - Polemonium vanbruntiae — Appalachian Jacob's Ladder
2571 - Polygala ambigua — Alternate Milkwort, Loose Milkwort, Whorled Milkwort
2572 - Polygala balduinii — White Milkwort, Baldwin's Milkwort
2573 - Polygala boykinii var. boykinii — Boykin's Milkwort
2574 - Polygala cruciata var. cruciata — Southern Drumheads, Crossleaf Milkwort
2575 - Polygala curtissii — Curtiss's Milkwort, Appalachian Milkwort
2576 - Polygala cymosa — Tall Milkwort, Tall Pinebarren Milkwort
2577 - Polygala grandiflora var. grandiflora — Showy Milkwort
2578 - Polygala hookeri — Hooker's Milkwort
2579 - Polygala incarnata — Pink Milkwort, Procession Flower
2580 - Polygala lutea — Orange Milkwort, Red-hot-poker, Candyroot
2581 - Polygala mariana — Maryland Milkwort
2582 - Polygala nana — Dwarf Milkwort, Candyroot
2583 - Polygala paucifolia — Gaywings, Fringed Polygala
2584 - Polygala polygama — Racemed Milkwort, Southern Bitter Milkwort
2585 - Polygala ramosa — Short Pinebarren Milkwort, Low Pinebarren Milkwort, Dwarf Milkwort, Savanna Milkwort
2586 - Polygala sanguinea — Field Milkwort, Blood Milkwort
2587 - Polygala senega — Seneca Snakeroot
2588 - Polygala setacea — Coastal Plain Milkwort
2589 - Polygala verticillata + — Whorled Milkwort
2590 - Polygonatum biflorum var. commutatum — Smooth Solomon's Seal
2591 - Polygonatum pubescens — Hairy Solomon's Seal, Downy Solomon’s Seal
2592 - Polygonella americana — Southern Jointweed, Showy Jointweed
2593 - Polygonella fimbriata — Sandhill Jointweed, Fringed Thysanella
2594 - Polygonella polygama — October-flower
2595 - Polygonum amphibium + — Water Smartweed, Scarlet Smartweed
2596 - Polygonum arifolium — Halberd-leaf Tearthumb
2597 - Polygonum aviculare — Prostrate Knotweed
2598 - Polygonum baldschuanicum — Lace Vine, Silver-lace-vine, China Fleece-vine, Russian Vine
2599 - Polygonum cespitosum var. longisetum — Longbristle Smartweed, Bristly Lady's-thumb, Tufted Knotweed, Oriental Lady's-thumb
2600 - Polygonum cilinode — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed
2601 - Polygonum convolvulus var. convolvulus — Climbing Buckwheat, Nimblewill, Black Bindweed
2602 - Polygonum cuspidatum — Japanese Knotweed
2603 - Polygonum densiflorum — Dense-flower Smartweed
2604 - Polygonum erectum — Erect Knotweed
2605 - Polygonum hirsutum — Hairy Smartweed
2606 - Polygonum hydropiper — Marshpepper Smartweed, Waterpepper
2607 - Polygonum hydropiperoides — Mild Waterpepper, Swamp Smartweed
2608 - Polygonum lapathifolium — Dockleaf Smartweed, Willow-weed, Pale Smartweed
2609 - Polygonum orientale — Kiss-me-over-the-garden-gate, Prince's Feather, Prince's-plume
2610 - Polygonum pensylvanicum — Pennsylvania Smartweed, Pinkweed
2611 - Polygonum perfoliatum — Asiatic Tearthumb, Mile-a-minute-weed, Mile-a-minute-vine
2612 - Polygonum persicaria — Spotted Lady's-thumb, Heart's-ease
2613 - Polygonum polystachyum — Himalayan Knotweed, Kashmir Plume, cultivated knotweed
2614 - Polygonum punctatum var. punctatum — Dotted Smartweed
2615 - Polygonum sachalinense — Giant Knotweed, Sachaline
2616 - Polygonum sagittatum — Arrowleaf Tearthumb, Arrowvine
2617 - Polygonum scandens var. cristatum — Crested Climbing Buckwheat, Climbing False Buckwheat
2618 - Polygonum scandens var. scandens — Common Climbing Buckwheat
2619 - Polygonum setaceum — Swamp Smartweed, Bog Smartweed
2620 - Polygonum virginianum — Jumpseed
2621 - Polymnia canadensis — Small-flowered Leafcup, White-flowered Leafcup
2622 - Polymnia laevigata — Tennessee Leafcup
2623 - Polypodium appalachianum — Appalachian Rockcap Fern, Appalachian Polypody
2624 - Polypodium virginianum — Common Rockcap Fern, Rock Polypody
2625 - Polypogon monspeliensis — Annual Rabbitsfoot Grass, Beardgrass, Annual Beardgrass
2626 - Polypremum procumbens — Juniperleaf, Polypremum, Rustweed
2627 - Polystichum acrostichoides var. acrostichoides — Christmas Fern
2628 - Poncirus trifoliata — Trifoliate Orange, Hardy Orange
2629 - Pontederia cordata — Heartleaf Pickerelweed, Wampee
2630 - Pontederia cordata — Lanceleaf Pickerelweed
2631 - Ponthieva racemosa — Shadow Witch, Ponthieu's Orchid, Shadow-witch Orchid
2632 - Populus ×jackii [balsamifera × deltoides] — Balm-of-Gilead
2633 - Populus alba — White Poplar, Silver Poplar
2634 - Populus balsamifera ssp. balsamifera — Balsam Poplar, Hackmatack, Tacamahac
2635 - Populus deltoides ssp. deltoides — Eastern Cottonwood
2636 - Populus grandidentata — Bigtooth Aspen, Large-toothed Aspen
2637 - Populus heterophylla — Swamp Cottonwood
2638 - Populus nigra — European Black Poplar, Lombardy Poplar, Black Poplar
2639 - Populus tremuloides — Quaking Aspen
2640 - Portulaca amilis — Broadleaf Pink Purslane, Paraguayan Purslane
2641 - Portulaca oleracea — Common Purslane, Garden Purslane, Pussley
2642 - Portulaca pilosa — Hairy Purslane, Kiss-me-quick, Pink Purslane
2643 - Portulaca smallii — Small's Portulaca, Small's Purslane
2644 - Potamogeton crispus — Curly Pondweed, Curled Pondweed, Curly-leaf Pondweed
2645 - Potamogeton diversifolius — Common Snailseed Pondweed, Waterthread Pondweed
2646 - Potamogeton pulcher — Spotted Pondweed, Heartleaf Pondweed
2647 - Potentilla argentea var. argentea — Silvery Cinquefoil, Silvery Five-fingers, Hoary Five-fingers
2648 - Potentilla canadensis — Dwarf Cinquefoil, Running Five-fingers
2649 - Potentilla norvegica ssp. monspeliensis — Strawberry-weed, Rough Cinquefoil, Norwegian Cinquefoil
2650 - Potentilla recta — Rough-fruited Cinquefoil, Sulphur Cinquefoil, Sulphur Five-fingers
2651 - Potentilla simplex — Old Field Cinquefoil, Old-field Five-fingers, Common Cinquefoil
2652 - Prenanthes alba — White Rattlesnake-root, Northern Rattlesnake-root, White Lettuce
2653 - Prenanthes altissima — Tall Rattlesnake-root, Tall White Lettuce
2654 - Prenanthes autumnalis — Slender Rattlesnake-root, One-sided Rattlesnake-root
2655 - Prenanthes barbata — Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot
2656 - Prenanthes roanensis — Roan Mountain Rattlesnake-root, Appalachian Rattlesnake-root
2657 - Prenanthes roanensis — Cylindrical Rattlesnake-root, Appalachian Rattlesnake-root
2658 - Prenanthes serpentaria — Lion's-foot Rattlesnake-root, Gall-of-the-Earth
2659 - Prenanthes trifoliolata — Gall-of-the-earth, Three-leaved Rattlesnake-root
2660 - Prosartes lanuginosa — Yellow Mandarin, Yellow Fairybells
2661 - Prosartes maculata — Nodding Mandarin, Spotted Mandarin
2662 - Proserpinaca intermedia — Marsh Mermaid-weed, Common Mermaid-weed
2663 - Prunella vulgaris ssp. lanceolata — American Heal-all, American Self-heal, Lance Selfheal
2664 - Prunella vulgaris ssp. vulgaris — Eurasian Self-heal, Eurasian Heal-all
2665 - Prunus ×yedoensis [subhirtella × speciosa] — Yoshino Cherry
2666 - Prunus alabamensis — Alabama Black Cherry
2667 - Prunus alleghaniensis var. alleghaniensis — Allegheny Plum, Allegheny Sloe
2668 - Prunus americana — American Plum, Wild Plum
2669 - Prunus angustifolia var. angustifolia — Chickasaw Plum, Sandhill Plum, Florida Sand Plum, Sand Plum
2670 - Prunus avium — Mazzard Cherry, Sweet Cherry, Bing Cherry
2671 - Prunus caroliniana — Carolina Cherry Laurel, Carolina Laurel Cherry
2672 - Prunus hortulana — Hortulan Plum, Wild-goose Plum
2673 - Prunus mahaleb — Mahaleb Cherry, Perfumed Cherry, St. Lucie Cherry, Rock Cherry
2674 - Prunus mexicana — Big-tree Plum, Mexican Plum
2675 - Prunus pensylvanica var. pensylvanica — Fire Cherry, Pin Cherry
2676 - Prunus persica — Peach
2677 - Prunus serotina var. serotina — Black Cherry, Eastern Wild Black Cherry, Bird Cherry
2678 - Prunus susquehanae — Susquehanna Cherry, Appalachian Sand Cherry, Appalachian Dwarf-cherry
2679 - Prunus umbellata var. umbellata — Hog Plum, Flatwoods Plum
2680 - Prunus virginiana var. virginiana — Choke Cherry, Common Chokecherry
2681 - Pseudognaphalium helleri ssp. helleri — Heller's Rabbit Tobacco
2682 - Pseudognaphalium obtusifolium ssp. obtusifolium — Fragrant Rabbit Tobacco, Sweet Everlasting, Catfoot
2683 - Pseudolysimachion longifolium — Garden Speedwell, Longleaf Speedwell
2684 - Pseudosasa japonica — Arrow Bamboo
2685 - Ptelea trifoliata + — Wafer-ash, Hoptree
2686 - Pteridium aquilinum var. latiusculum — Eastern Bracken, Brake
2687 - Pteridium aquilinum var. pseudocaudatum — Southern Bracken
2688 - Pteris multifida — Spider Brake, Wall Fern, Huguenot Fern
2689 - Pteris vittata — Ladder Brake
2690 - Pterocaulon pycnostachyum — Black Snakeroot, Dense-spike Blackroot, Wingstem
2691 - Pteroglossaspis ecristata — Spiked Medusa, Crestless Plume Orchid, Smooth-lipped Eulophia, Non-crested Eulophia
2692 - Ptilimnium capillaceum — Eastern Bishopweed, Atlantic Bishopweed, Mock Bishopweed, Atlantic Mock Bishop's Weed
2693 - Ptilimnium costatum — Big Bishopweed, Ribbed Bishopweed
2694 - Pueraria montana var. lobata — Kudzu, Foot-a-Day
2695 - Pycnanthemum albescens — Whiteleaf Mountain-mint, White Mountain-mint
2696 - Pycnanthemum beadlei — Beadle's Mountain-mint
2697 - Pycnanthemum clinopodioides — basil mountain-mint
2698 - Pycnanthemum flexuosum — Savanna Mountain-mint
2699 - Pycnanthemum incanum + — Hoary Mountain-mint, White Mountain-mint
2700 - Pycnanthemum loomisii — Loomis's Mountain-mint
2701 - Pycnanthemum montanum — Appalachian Mountain-mint, Thinleaf Mountain-mint
2702 - Pycnanthemum muticum — Short-toothed Mountain-mint, Downy Mountain-mint, Clustered Mountain-mint
2703 - Pycnanthemum nudum — Smooth Mountain-mint
2704 - Pycnanthemum pycnanthemoides var. pycnanthemoides — Woodland Mountain-mint, Southern Mountain-mint
2705 - Pycnanthemum setosum — awned mountain-mint
2706 - Pycnanthemum tenuifolium — Narrowleaf Mountain-mint, Slender Mountain-mint, Savanna Mountain-mint
2707 - Pycnanthemum torrei — Torrey's Mountain-mint
2708 - Pycnanthemum verticillatum var. verticillatum — Whorled Mountain-mint
2709 - Pycnanthemum virginianum — Virginia Mountain-mint
2710 - Pyracantha coccinea — Scarlet Firethorn, Pyracantha
2711 - Pyracantha fortuneana — Chinese Firethorn
2712 - Pyracantha koidzumii — Formosan Firethorn
2713 - Pyrola americana — Rounded Shinleaf, Roundleaf Pyrola, American Wintergreen
2714 - Pyrrhopappus carolinianus — Carolina False-dandelion
2715 - Pyrularia pubera — Buffalo-nut, Oil-nut
2716 - Pyrus calleryana — Bradford Pear, Callery Pear
2717 - Pyrus communis — Common Pear
2718 - Pyxidanthera barbulata — Flowering Pyxie-moss, Big Pyxie
2719 - Pyxidanthera brevifolia — Sandhills Pyxie-moss, Wells' Pyxie-moss, Little Pyxie
2720 - Quercus acutissima — Sawtooth Oak
2721 - Quercus alba — White Oak
2722 - Quercus arkansana — Arkansas Oak
2723 - Quercus austrina — Bluff Oak, Bastard White Oak
2724 - Quercus bicolor — Swamp White Oak
2725 - Quercus boyntonii — Boynton Sand Post Oak, Boynton Oak
2726 - Quercus buckleyi — Buckley Oak
2727 - Quercus chapmanii — Chapman Oak
2728 - Quercus coccinea + — Scarlet Oak
2729 - Quercus falcata — Southern Red Oak, Spanish Oak
2730 - Quercus geminata — Sand Live Oak
2731 - Quercus georgiana — Georgia Oak
2732 - Quercus hemisphaerica + — Darlington Oak, Sand Laurel Oak
2733 - Quercus ilicifolia — Bear Oak, Scrub Oak
2734 - Quercus imbricaria — Shingle Oak
2735 - Quercus incana — Bluejack Oak
2736 - Quercus laevis — Turkey Oak
2737 - Quercus laurifolia — Laurel Oak, Swamp Laurel Oak, Diamond Leaf Oak
2738 - Quercus lyrata — Overcup Oak, Swamp White Oak
2739 - Quercus macrocarpa var. macrocarpa — Bur Oak, Mossycup Oak
2740 - Quercus margarettae — Sand Post Oak, Scrub Post Oak
2741 - Quercus marilandica var. marilandica — Blackjack Oak
2742 - Quercus michauxii — Swamp Chestnut Oak, Basket Oak
2743 - Quercus minima — Dwarf Live Oak
2744 - Quercus muehlenbergii — Chinquapin Oak, Yellow Chestnut Oak
2745 - Quercus myrtifolia — Myrtle Oak
2746 - Quercus nigra — Water Oak
2747 - Quercus oglethorpensis — Oglethorpe Oak
2748 - Quercus pagoda — Cherrybark Oak, Swamp Spanish Oak
2749 - Quercus palustris — Pin Oak
2750 - Quercus phellos — Willow Oak
2751 - Quercus prinoides — Dwarf Chinquapin Oak
2752 - Quercus prinus — Rock Chestnut Oak, Tanbark Oak
2753 - Quercus pumila — Running Oak
2754 - Quercus rubra + — Northern Red Oak, Red Oak
2755 - Quercus shumardii var. shumardii — Shumard Oak, Swamp Red Oak
2756 - Quercus similis — Swamp Post Oak, Bottomland Post Oak, Delta Oak
2757 - Quercus sinuata var. breviloba — Bastard Oak
2758 - Quercus sinuata var. sinuata — Bastard Oak, Durand's White Oak, Durand's Oak
2759 - Quercus stellata — Post Oak
2760 - Quercus texana — Nuttall Oak, Texas Red Oak
2761 - Quercus velutina — Black Oak
2762 - Quercus virginiana — Live Oak
2763 - Ranunculus abortivus — Kidneyleaf Buttercup, Small-flowered Buttercup, Kidney-leaved Crowfoot, Small-flowered Crowfoot
2764 - Ranunculus acris var. acris — Tall Buttercup, Bitter Buttercup
2765 - Ranunculus allegheniensis — Mountain Crowfoot, Allegheny Buttercup
2766 - Ranunculus ambigens — Water-plantain Crowfoot, Water-plantain Spearwort
2767 - Ranunculus arvensis — Corn Crowfoot, Hungerweed
2768 - Ranunculus bulbosus — Bulbous Buttercup
2769 - Ranunculus fascicularis — Early Buttercup, Thick-root Butterdup
2770 - Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
2771 - Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
2772 - Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
2773 - Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
2774 - Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
2775 - Ranunculus harveyi — Harvey's buttercup
2776 - Ranunculus hispidus var. caricetorum — Northern Swamp Buttercup, Marsh Buttercup
2777 - Ranunculus hispidus var. hispidus — Hispid Buttercup, Hairy Buttercup
2778 - Ranunculus hispidus var. nitidus — Carolina Buttercup, Swamp Buttercup
2779 - Ranunculus laxicaulis — Coastal Plain Spearwort
2780 - Ranunculus micranthus — Small-flowered Buttercup, Rock Buttercup
2781 - Ranunculus muricatus — spinyfruit buttercup, Roughseed Buttercup
2782 - Ranunculus parviflorus — Small-flowered Buttercup, Stickseed Crowfoot
2783 - Ranunculus pusillus var. pusillus — Low Spearwort
2784 - Ranunculus recurvatus var. recurvatus — Hooked Buttercup, Hooked Crowfoot
2785 - Ranunculus repens — Creeping Buttercup
2786 - Ranunculus sardous — Sardinian Buttercup, Hairy Buttercup
2787 - Ranunculus sceleratus var. sceleratus — Cursed Buttercup, Celery-leaf Crowfoot, Cursed Crowfoot
2788 - Raphanus raphanistrum — Wild Radish, Jointed Charlock, White Charlock
2789 - Ratibida columnifera — Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower
2790 - Ratibida pinnata — Grey-headed Coneflower, Globular Prairie Coneflower
2791 - Rhamnus cathartica — Common Buckthorn, European Buckthorn
2792 - Rhamnus davurica ssp. davurica — Dahurian Buckthorn, Davurian Buckthorn
2793 - Rhapidophyllum hystrix — Needle Palm, Blue Palmetto
2794 - Rhexia alifanus — Smooth Meadowbeauty, Savanna Meadowbeauty
2795 - Rhexia aristosa — Awned Meadowbeauty, Bristly Meadowbeauty
2796 - Rhexia cubensis — West Indies Meadowbeauty
2797 - Rhexia lutea — Yellow Meadowbeauty, Golden Meadowbeauty
2798 - Rhexia mariana var. interior — Maryland meadowbeauty
2799 - Rhexia mariana var. mariana — Pale Meadowbeauty, Maryland Meadowbeauty, Dull Meadowbeauty
2800 - Rhexia mariana var. mariana — White Meadowbeauty
2801 - Rhexia mariana var. ventricosa — Swollen Meadowbeauty
2802 - Rhexia nashii — Hairy Meadowbeauty, Maid Marian, Nash's Meadowbeauty
2803 - Rhexia nuttallii — Nuttall's Meadowbeauty
2804 - Rhexia petiolata — Ciliate Meadowbeauty, Short-stemmed Meadowbeauty, Fringed Meadowbeauty, Bog Meadowbeauty
2805 - Rhexia virginica — Virginia Meadowbeauty, Wingstem Meadowbeauty, Deergrass
2806 - Rhizophora mangle — Red Mangrove
2807 - Rhodiola rosea — Roseroot
2808 - Rhododendron alabamense — Alabama Azalea
2809 - Rhododendron arborescens — Sweet Azalea, Smooth Azalea
2810 - Rhododendron atlanticum — Dwarf Azalea, Coastal Azalea
2811 - Rhododendron austrinum — Florida Flame Azalea, Yellow Azalea
2812 - Rhododendron calendulaceum — Flame Azalea
2813 - Rhododendron canescens — Piedmont Azalea, Southern Pinxterbloom Azalea, Hoary Azalea
2814 - Rhododendron carolinianum — Carolina Rhododendron, Punctatum
2815 - Rhododendron catawbiense — Catawba Rhododendron, Mountain Rosebay, Purple Laurel, Pink Laurel
2816 - Rhododendron cumberlandense — Cumberland Azalea, Baker's Azalea
2817 - Rhododendron eastmanii — May White Azalea, Eastman's Azalea
2818 - Rhododendron flammeum — Oconee Azalea
2819 - Rhododendron maximum — Rosebay Rhododendron, Great Laurel, White Rosebay, Great Rhododendron
2820 - Rhododendron minus — Gorge Rhododendron, Punctatum, Piedmont Rhododendron
2821 - Rhododendron periclymenoides — Pinxterflower, Pinxterbloom Azalea, Election Pink, Pinxter Azalea
2822 - Rhododendron prinophyllum — Election Pink, Roseshell Azalea, Early Azalea
2823 - Rhododendron prunifolium — Plumleaf Azalea
2824 - Rhododendron vaseyi — Pinkshell Azalea
2825 - Rhododendron viscosum — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea
2826 - Rhododendron viscosum — Clammy Azalea
2827 - Rhododendron viscosum — Swamp Azalea, Clammy Azalea, Sweet Azalea
2828 - Rhodotypos scandens — Jetbead
2829 - Rhus aromatica var. aromatica — Fragrant Sumac, Squawbush
2830 - Rhus copallinum + — Winged Sumac, Shining Sumac, Dwarf Sumac
2831 - Rhus glabra — Smooth Sumac, Common Sumac
2832 - Rhus michauxii — Michaux's Sumac, Dwarf Sumac, False Poison Sumac
2833 - Rhus typhina — Staghorn Sumac
2834 - Rhynchosia difformis — Doubleform Snoutbean
2835 - Rhynchosia reniformis — Dollarweed, Dollarleaf Snoutbean, Roundleaf Snoutbean
2836 - Rhynchosia tomentosa var. tomentosa — Twining Snoutbean, Erect Snoutbean
2837 - Rhynchospora caduca — Angle-stem Beaksedge
2838 - Rhynchospora capitellata — Brownish Beaksedge
2839 - Rhynchospora capitellata — Slender-fruit Beaksedge
2840 - Rhynchospora careyana — Carey's Horned Beaksedge, broadfruit horned beaksedge
2841 - Rhynchospora colorata — Narrowleaf Whitetop Sedge, White-bracted Sedge, Starrush Whitetop Sedge
2842 - Rhynchospora corniculata — Short-bristled Horned Beaksedge
2843 - Rhynchospora filifolia — Threadleaf Beaksedge
2844 - Rhynchospora globularis var. globularis — Globe Beaksedge
2845 - Rhynchospora globularis var. pinetorum — Small's Beakrush, Small's Beaksedge
2846 - Rhynchospora glomerata — Clustered Beaksedge
2847 - Rhynchospora gracilenta — Slender Beaksedge
2848 - Rhynchospora harperi — Harper's Beaksedge
2849 - Rhynchospora inundata — Narrow-fruit Horned Beaksedge
2850 - Rhynchospora latifolia — Broadleaf Whitetop Sedge, Giant Whitetop Sedge, White-bracted Sedge
2851 - Rhynchospora megalocarpa — Sandy-field Beaksedge, Sandhill Beaksedge
2852 - Rhynchospora miliacea — Millet Beaksedge
2853 - Rhynchospora recognita — Cymose Beakrush, Cymose Beaksedge
2854 - Rhynchospora tracyi — Tracy's Beaksedge
2855 - Ribes americanum — Wild Black Currant, American Black Currant
2856 - Ribes curvatum — Granite Gooseberry
2857 - Ribes cynosbati — Prickly Gooseberry, Dogberry
2858 - Ribes echinellum — Miccosukee Gooseberry, Spiny Gooseberry, Florida Gooseberry
2859 - Ribes glandulosum — Skunk Currant, Mountain Currant
2860 - Ribes hirtellum — Northern Gooseberry
2861 - Ribes lacustre — Bristly Black Currant, Spiny Swamp Currant
2862 - Ribes rotundifolium — Roundleaf Gooseberry, Appalachian Gooseberry
2863 - Richardia brasiliensis — Brazilian-clover, tropical Mexican-clover
2864 - Richardia grandiflora — Largeflower Mexican-clover, Largeflower Richardia
2865 - Richardia scabra — Rough Mexican-clover
2866 - Ricinus communis — Castor-bean, Castor-oil Plant, Palma Christi
2867 - Robinia hispida var. fertilis — Arnot Bristly Locust, Fruitful Locust
2868 - Robinia hispida var. hispida — Bristly Locust
2869 - Robinia hispida var. kelseyi — Kelsey's Locust
2870 - Robinia hispida var. nana — Dwarf Bristly Locust, Dwarf Locust
2871 - Robinia hispida var. rosea — Boynton's Locust
2872 - Robinia pseudoacacia — Black Locust
2873 - Robinia viscosa var. hartwegii — Granite Dome Locust, Highlands Locust, Hartwig's Locust
2874 - Robinia viscosa var. viscosa — Clammy Locust
2875 - Rorippa austriaca — Austrian Yellowcress
2876 - Rorippa palustris ssp. palustris — Bog Yellowcress, Marshcress
2877 - Rosa ×damascena — Damask Rose
2878 - Rosa bracteata — McCartney Rose, Chickasaw Rose
2879 - Rosa canina — Dog Rose
2880 - Rosa carolina var. carolina — Carolina Rose
2881 - Rosa laevigata — Cherokee Rose
2882 - Rosa multiflora — Multiflora Rose
2883 - Rosa palustris — Swamp Rose
2884 - Rosa rubiginosa — Sweetbriar Rose, Eglantine Rose
2885 - Rosa rugosa — Japanese Rose, Rugosa Rose, Beach Rose
2886 - Rosa setigera — Climbing Prairie Rose
2887 - Rosa virginiana var. virginiana — Virginia Rose
2888 - Rosa wichuraiana — Memorial Rose, Dorothy Perkins Rose, Lucie Rose
2889 - Rosmarinus officinalis — Rosemary
2890 - Rotala ramosior — Toothcup, Lowland Rotala
2891 - Rotala rotundifolia — Roundleaf Toothcup, Dwarf Rotala
2892 - Rottboellia cochinchinensis — Itch-grass
2893 - Rubus allegheniensis var. allegheniensis — Allegheny Blackberry
2894 - Rubus argutus — Pennsylvania Blackberry, Highbush Blackberry, Southern Blackberry
2895 - Rubus armeniacus — Himalayan Blackberry, Armenian Blackberry
2896 - Rubus bifrons — European Blackberry, Himalayan Blackberry, Himalaya-berry
2897 - Rubus canadensis — Thornless Blackberry, Smooth Blackberry
2898 - Rubus cuneifolius — Sand Blackberry
2899 - Rubus flagellaris — Common Dewberry, Northern Dewberry
2900 - Rubus hispidus — Swamp Dewberry
2901 - Rubus idaeus ssp. strigosus — Red Raspberry, American Red Raspberry
2902 - Rubus laciniatus — Cut-leaved Blackberry, Evergreen Blackberry
2903 - Rubus occidentalis — Black Raspberry
2904 - Rubus odoratus var. odoratus — Purple-flowering Raspberry, Thimbleberry
2905 - Rubus pascuus — Chesapeake Blackberry, Topsy Blackberry
2906 - Rubus phoenicolasius — Wineberry
2907 - Rubus trivialis — Southern Dewberry, Coastal Plain Dewberry
2908 - Rudbeckia fulgida + — Orange Coneflower, Eastern Coneflower
2909 - Rudbeckia heliopsidis — Sunfacing Coneflower, Pineywoods Coneflower
2910 - Rudbeckia hirta var. angustifolia — Coastal Plain Black-eyed Susan
2911 - Rudbeckia hirta var. hirta — Woodland Black-eyed Susan
2912 - Rudbeckia hirta var. pulcherrima — Weedy Black-eyed Susan
2913 - Rudbeckia laciniata var. digitata — Blue Ridge Cutleaf Coneflower
2914 - Rudbeckia laciniata var. digitata — Coastal Plain Cutleaf Coneflower
2915 - Rudbeckia laciniata var. laciniata — Green-headed Coneflower, Common Cutleaf Coneflower, Green Coneflower, Goldenglow
2916 - Rudbeckia maxima — Giant Coneflower
2917 - Rudbeckia mollis — Soft-haired Coneflower, Woolly Coneflower
2918 - Rudbeckia nitida — Narrow-leaved Coneflower, St. John's Black-eyed Susan, Shiny Coneflower
2919 - Rudbeckia subtomentosa — Sweet Coneflower
2920 - Rudbeckia triloba var. pinnatiloba — Chauncey's Coneflower
2921 - Rudbeckia triloba var. rupestris — Blue Ridge Three-lobed Coneflower, Brown-eyed Susan
2922 - Rudbeckia triloba var. triloba — Common Three-lobed Coneflower, Brown-eyed Susan, Thin-Leaved Coneflower
2923 - Ruellia caerulea — Mexican Bluebell
2924 - Ruellia caroliniensis ssp. caroliniensis var. caroliniensis — Carolina Wild-petunia, Common Wild-petunia, Hairy Ruellia
2925 - Ruellia caroliniensis ssp. ciliosa var. cinerascens — Sandhills Wild Petunia, Dwarf Wild Petunia
2926 - Ruellia humilis — Hairy Wild-petunia, Low Wild-petunia, Glade Wild-petunia
2927 - Ruellia noctiflora — Night-flowering Wild Petunia, Night-blooming Wild Petunia
2928 - Ruellia pedunculata ssp. pinetorum — Pineland Wild-petunia
2929 - Ruellia purshiana — Pursh's Wild-petunia
2930 - Ruellia strepens — Limestone Wild-petunia, Glade Wild-petunia, Smooth Wild-petunia
2931 - Rugelia nudicaulis — Rugel's Ragwort, Rugelia, Rugel's Indian Plantain
2932 - Rumex acetosella — Sheep Sorrel, Sourgrass, Red Sorrel, Field Sorrel
2933 - Rumex crispus ssp. crispus — Curly Dock
2934 - Rumex hastatulus — Wild Dock, Sourgrass, Heartwing Sorrel, Heartwing Dock
2935 - Rumex obtusifolius — Bitter Dock, Broadleaf Dock
2936 - Rumex patientia — Patience Dock, Monk's-rhubarb
2937 - Rumex pulcher — Fiddle Dock
2938 - Sabal minor — Dwarf Palmetto, Bush Palmetto, Dwarf Blue Palmetto, Bluestem Palmetto
2939 - Sabal palmetto — Cabbage Palmetto
2940 - Sabatia angularis — Rose-pink, Bitterbloom, Common Marsh-pink
2941 - Sabatia bartramii — Bartram's Rose-gentian
2942 - Sabatia brachiata — Narrowleaf Rose-pink, Narrowleaf Rose-gentian, Narrowleaf Sabatia
2943 - Sabatia calycina — Coastal Rose-pink, Coastal Rose-gentian
2944 - Sabatia campanulata — Slender Marsh-pink, Slender Rose-gentian
2945 - Sabatia capitata — Cumberland Rose-gentian, Appalachian Rose-gentian
2946 - Sabatia difformis — White Sabatia, Lanceleaf Rose-gentian, Lanceleaf Sabatia
2947 - Sabatia dodecandra var. dodecandra — Perennial Sea-pink, Large Marsh Rose-pink, Marsh Rose-gentian
2948 - Sabatia dodecandra var. foliosa — Marsh Rose-gentian
2949 - Sabatia gentianoides — Pinewoods Rose-gentian, Pinewoods Rose-pink
2950 - Sabatia grandiflora — Largeflower Rose-gentian
2951 - Sabatia kennedyana — Plymouth Rose-gentian, Plymouth Gentian
2952 - Sabatia quadrangula — Four-angle Sabatia, Four-angle Rose-gentian
2953 - Sabatia stellaris — Annual Sea-pink, Salt-marsh Pink, Rose-of-Plymouth
2954 - Saccharum alopecuroides — Silver Plumegrass
2955 - Saccharum baldwinii — Narrow Plumegrass
2956 - Saccharum brevibarbe var. brevibarbe — Short-beard Plumegrass
2957 - Saccharum brevibarbe var. contortum — Bent-awn Plumegrass
2958 - Saccharum coarctatum — Brown Plumegrass, Bunched Plumegrass
2959 - Saccharum giganteum — Sugarcane Plumegrass, Giant Plumegrass
2960 - Saccharum ravennae — Ravenna-grass, Hardy Pampas Grass
2961 - Sacciolepis indica — Indian Cupscale
2962 - Sacciolepis striata — American Cupscale
2963 - Sageretia minutiflora — Shell-mound Buckthorn, Small-flowered Buckthorn, Smallflower Mock-buckthorn
2964 - Sagina decumbens ssp. decumbens — Trailing Pearlwort, Eastern Pearlwort, Annual Pearlwort
2965 - Sagina procumbens — Northern Pearlwort, Bird's-eye Pearlwort, Perennial Pearlwort
2966 - Sagittaria australis — Appalachian Arrowhead, Southern Arrowhead, Longbeak Arrowhead
2967 - Sagittaria engelmanniana — Engelmann's arrowhead
2968 - Sagittaria fasciculata — Bunched Arrowhead
2969 - Sagittaria graminea var. graminea — Grassleaf Arrowhead, Grassy Arrowhead
2970 - Sagittaria isoetiformis — Depression Meadow Arrowhead, Quillwort Arrowhead
2971 - Sagittaria lancifolia ssp. lancifolia — Duck Potato
2972 - Sagittaria lancifolia ssp. media — Duck Potato
2973 - Sagittaria latifolia — Broadleaf Arrowhead, Duck Potato
2974 - Salicornia depressa — American Glasswort, Samphire, Pickleweed
2975 - Salix alba — European White Willow
2976 - Salix babylonica — Weeping Willow
2977 - Salix caprea — Goat Willow, Great Sallow
2978 - Salix caroliniana — Carolina Willow, Coastal Plain Willow
2979 - Salix cinerea — European Gray Willow
2980 - Salix discolor — Pussy Willow
2981 - Salix fragilis — Crack Willow, Brittle Willow
2982 - Salix humilis var. humilis — Prairie Willow, Upland Willow
2983 - Salix humilis var. tristis — Dwarf Upland Willow, Sage Willow
2984 - Salix matsudana — Corkscrew Willow
2985 - Salix nigra — Black Willow
2986 - Salix purpurea — Basket Willow, Purple Willow, Purple-osier Willow
2987 - Salix sericea — Silky Willow, Shrub Willow, Satin Willow
2988 - Salsola kali ssp. kali — Northern Saltwort
2989 - Salsola kali ssp. pontica — Southern Saltwort, Carolina Saltwort
2990 - Salsola tragus — Russian Thistle, Tumbleweed
2991 - Salvia azurea var. azurea — Azure Sage
2992 - Salvia leucantha — Mexican Bush Sage
2993 - Salvia lyrata — Lyreleaf Sage
2994 - Salvia sclarea — Europe sage, clary sage
2995 - Salvia urticifolia — Nettleleaf Sage
2996 - Salvinia auriculata — Giant Salvinia, eared watermoss
2997 - Salvinia biloba — Giant Salvinia
2998 - Salvinia herzogii — Giant Salvinia
2999 - Salvinia minima — Water Spangles, Floating Fern
3000 - Salvinia molesta — Giant Salvinia, Kariba Weed
3001 - Sambucus nigra ssp. canadensis — Common Elderberry, American Elder
3002 - Sambucus racemosa var. racemosa — Red Elderberry, Red-berried Elder, Eastern Red Elderberry
3003 - Samolus valerandi ssp. parviflorus — Water-pimpernel, Brookweed
3004 - Sanguinaria canadensis — Bloodroot, Red Puccoon
3005 - Sanguisorba canadensis — Canada Burnet, American Burnet, White Burnet
3006 - Sanguisorba minor ssp. balearica — Salad Burnet, Garden Burnet, Fodder Burnet
3007 - Sanicula canadensis var. canadensis — Canada Sanicle, Black Snakeroot, Canadian Black-snakeroot
3008 - Sanicula canadensis var. canadensis — Florida Sanicle, Florida Snakeroot, Florida Black-snakeroot
3009 - Sanicula canadensis var. grandis — Large Sanicle, Large Black-snakeroot
3010 - Sanicula marilandica — Black Snakeroot, Maryland Sanicle, Maryland Black-snakeroot
3011 - Sanicula odorata — Clustered Snakeroot, Clustered Sanicle, Yellow-flowered Snakeroot, Fragrant Snakeroot
3012 - Sanicula smallii — Small's Sanicle, Southern Sanicle, Small's Black-snakeroot
3013 - Sanicula trifoliata — Long-fruited Snakeroot, Beaked Sanicle, Large-fruited Sanicle, Largefruit Black-snakeroot
3014 - Sapindus saponaria var. drummondii — Western Soapberry
3015 - Sapindus saponaria var. saponaria — Florida Soapberry
3016 - Saponaria officinalis — Soapwort, Bouncing Bet
3017 - Sarcocornia perennis — Perennial Glasswort, Woody Glasswort, Pickleweed
3018 - Sarracenia flava — Yellow Pitcherplant, Yellow Trumpet, Trumpets
3019 - Sarracenia leucophylla — Whitetop Pitcherplant, Crimson Pitcherplant
3020 - Sarracenia minor — Hooded Pitcherplant
3021 - Sarracenia oreophila — Mountain Green Pitcherplant, Green Pitcherplant, Mountain Pitcherplant
3022 - Sarracenia psittacina — Parrot Pitcherplant
3023 - Sarracenia purpurea ssp. gibbosa — Northern Purple Pitcherplant
3024 - Sarracenia purpurea ssp. purpurea var. montana — Southern Appalachian Purple Pitcherplant
3025 - Sarracenia purpurea ssp. purpurea var. purpurea — Southern Purple Pitcherplant, Frog's Breeches, Hunter's Cup
3026 - Sarracenia rubra ssp. jonesii — Mountain Sweet Pitcherplant
3027 - Sarracenia rubra ssp. rubra — Sweet Pitcherplant, Redflower Pitcherplant, Red Pitcherplant
3028 - Sassafras albidum — Sassafras
3029 - Saururus cernuus — Lizard's Tail, Water-dragon
3030 - Saxifraga careyana — Carey's Saxifrage
3031 - Saxifraga caroliniana — Carolina Saxifrage
3032 - Saxifraga michauxii — Michaux's Saxifrage, Cliff Saxifrage
3033 - Saxifraga michauxii — Escarpment Saxifrage, Shealy's Saxifrage
3034 - Saxifraga micranthidifolia — Brook Lettuce, Mountain Lettuce, Branch Lettuce, Lettuceleaf Saxifrage
3035 - Saxifraga virginiensis var. virginiensis — Early Saxifrage
3036 - Schedonorus arundinaceus — Tall Fescue, Alta Fescue
3037 - Schedonorus pratensis — Meadow Fescue
3038 - Schefflera actinophylla — Umbrella Tree, Octopus Tree, Schefflera
3039 - Schinus terebinthifolius var. raddianus — Brazilian Peppertree, Brazilian-pepper
3040 - Schisandra glabra — Bay Star-vine, Climbing-magnolia, Magnolia-vine
3041 - Schizachyrium scoparium var. scoparium — Little Bluestem
3042 - Schizachyrium scoparium var. stoloniferum — Creeping Bluestem, Creeping Little Bluestem
3043 - Schoenocaulon dubium — Florida Feathershank
3044 - Schoenolirion albiflorum — White Sunnybell
3045 - Schoenolirion croceum — Yellow Sunnybell
3046 - Schoenolirion wrightii — Texas Sunnybell
3047 - Schoenoplectiella mucronata — Roughseed Bulrush, Bog Bulrush, Ricefield Bulrush
3048 - Schoenoplectus californicus — Giant Bulrush, Southern Bulrush, Tule, California Bulrush
3049 - Schoenoplectus pungens var. pungens — Common Threesquare, Chairmaker's Rush, Swordgrass
3050 - Schoenoplectus robustus — Saltmarsh Bulrush
3051 - Schoenoplectus tabernaemontani — Softstem Bulrush, Great Bulrush
3052 - Schwalbea americana — American Chaffseed
3053 - Scirpus atrovirens — Black Bulrush, Dark-green Bulrush
3054 - Scirpus cyperinus — Woolgrass Bulrush, Marsh Bulrush
3055 - Scirpus expansus — Woodland Bulrush
3056 - Scirpus georgianus — Georgia Bulrush
3057 - Scirpus polyphyllus — Leafy Bulrush
3058 - Scleranthus annuus — Knawel, Annual Knawel
3059 - Scleria ciliata var. ciliata — Broad-leaved Hairy Nutrush, Elliott's Nutrush
3060 - Scleria ciliata var. ciliata — Fringed Nutrush, Hairy Nutrush
3061 - Scleria oligantha — Few-flowered Nutrush, Littlehead Nutrush
3062 - Scleria pauciflora + — Papillose Nutrush, Carolina Nutrush, Fewflower Nutrush
3063 - Scleria triglomerata — Tall Nutrush, Stone-rush, Whip Nutrush
3064 - Sclerolepis uniflora — Sclerolepis, Pink bogbutton
3065 - Scrophularia lanceolata — Hare Figwort, American Figwort, Lancelaf Figwort
3066 - Scrophularia marilandica — Eastern Figwort, Carpenter's Square, Late Figwort
3067 - Scutellaria altamaha — Altamaha Skullcap, Pineland Skullcap
3068 - Scutellaria arguta — Appalachian Skullcap, Blue Ridge Skullcap
3069 - Scutellaria elliptica var. elliptica — Hairy Skullcap, Elliptic-leaved Skullcap
3070 - Scutellaria elliptica var. hirsuta — Hairy Skullcap
3071 - Scutellaria incana var. australis — Hoary Skullcap, Downy Skullcap
3072 - Scutellaria incana var. australis — Mellichamp's Skullcap
3073 - Scutellaria incana var. incana — Hoary Skullcap, Downy Skullcap
3074 - Scutellaria incana var. punctata — Hoary Skullcap, Downy Skullcap
3075 - Scutellaria integrifolia — Hyssop Skullcap, Narrow-leaved Skullcap
3076 - Scutellaria lateriflora var. lateriflora — Mad-dog Skullcap
3077 - Scutellaria montana — Large-flowered Skullcap
3078 - Scutellaria multiglandulosa — Small's Skullcap
3079 - Scutellaria nervosa — Veined Skullcap, Bottomland Skullcap
3080 - Scutellaria ocmulgee — Ocmulgee Skullcap
3081 - Scutellaria ovata ssp. bracteata — Heartleaf Skullcap
3082 - Scutellaria ovata ssp. ovata — Heartleaf Skullcap
3083 - Scutellaria ovata ssp. rugosa — Heartleaf Skullcap
3084 - Scutellaria parvula var. australis — Southern Skullcap
3085 - Scutellaria parvula var. missouriensis — Shale-barren Skullcap, Glade Skullcap, Leonard's Skullcap
3086 - Scutellaria parvula var. parvula — Dwarf Skullcap, Small Skullcap
3087 - Scutellaria pseudoserrata — falseteeth skullcap
3088 - Scutellaria saxatilis — Rock Skullcap
3089 - Scutellaria serrata — Showy Skullcap, Serrate Skullcap
3090 - Secale cereale — Cereal Rye, Cultivated Rye
3091 - Securigera varia — Crown-vetch
3092 - Sedum acre — Mossy Stonecrop, Wallpepper, Bitter Stonecrop, Gold-moss
3093 - Sedum glaucophyllum — Cliff Stonecrop
3094 - Sedum nevii — Nevius's Stonecrop
3095 - Sedum pulchellum — Widow's Cross, Glade Stonecrop, Rock Moss, Lime Stonecrop
3096 - Sedum pusillum — Puck's Orpine, Granite Stonecrop
3097 - Sedum sarmentosum — Stringy Stonecrop
3098 - Sedum ternatum — Mountain Stonecrop, Wild Stonecrop, Three-leaf Stonecrop
3099 - Selaginella apoda — Meadow Spikemoss
3100 - Selaginella ludoviciana — Louisiana Spikemoss, Gulf Spikemoss
3101 - Selaginella rupestris — Rock Spikemoss
3102 - Selaginella tortipila — Twisted-hair Spikemoss
3103 - Senecio jacobaea — Tansy Ragwort
3104 - Senecio vulgaris — Common Groundsel
3105 - Senna hebecarpa — Northern Wild Senna, American Senna
3106 - Senna marilandica — Maryland Senna, Maryland Wild Senna
3107 - Senna obtusifolia — Coffeeweed, Sicklepod
3108 - Serenoa repens — Saw Palmetto
3109 - Sericocarpus asteroides — Toothed Whitetop Aster
3110 - Sericocarpus linifolius — Narrowleaf Whitetop Aster, Slender Whitetop Aster
3111 - Sericocarpus tortifolius — Twisted-leaf Whitetop Aster, Dixie Whitetop Aster
3112 - Sesbania herbacea — Bigpod Sesbania, Coffee-weed, Indigo-weed, Hemp Sesbania
3113 - Sesbania punicea — Rattlebush, Purple Sesban, Scarlet Wisteria-tree
3114 - Sesbania vesicaria — Bladderpod, Bagpod
3115 - Sesuvium maritimum — Small Sea-purslane, Slender Sea-purslane
3116 - Sesuvium portulacastrum — Large Sea-purslane, Shoreline Sea-purslane
3117 - Setaria corrugata — coastal bristlegrass
3118 - Setaria faberi — Nodding Foxtail Grass, Giant Foxtail-grass, Chinese Foxtail
3119 - Setaria italica — Yellow Foxtail, Italian Millet, Foxtail Millet, Italian Foxtail
3120 - Setaria magna — Saltmarsh Foxtail-grass, Giant Foxtail-grass, Giant Bristlegrass
3121 - Setaria parviflora — Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail
3122 - Setaria pumila ssp. pumila — Yellow Foxtail
3123 - Setaria verticillata — Hooked Bristlegrass
3124 - Setaria viridis var. major — Giant Green Foxtail
3125 - Setaria viridis var. viridis — Green Foxtail, Green Bristlegrass
3126 - Seymeria cassioides — Senna Seymeria, Yaupon Black-senna
3127 - Seymeria pectinata + — Seymeria
3128 - Sherardia arvensis — Field Madder, Blue Field Madder
3129 - Shortia galacifolia var. brevistyla — Northern Shortia
3130 - Shortia galacifolia var. galacifolia — Oconee Bells, Southern Shortia
3131 - Sibara virginica — Sibara, Virginia-cress, Virginia Rockcress, Virginia Winged Rockcress
3132 - Sibbaldiopsis tridentata — Wineleaf Cinqefoil, Mountain Cinqefoil, Three-toothed Cinqefoil, Mountain White Potentilla
3133 - Sicyos angulatus — Bur Cucumber, Star Cucumber, Nimble-Kate
3134 - Sida elliottii — Coastal Plain Sida, Elliott's Fanpetals
3135 - Sida rhombifolia — Arrowleaf Sida, Diamondleaf Fanpetal, Cuban Jute
3136 - Sida spinosa — Prickly Fanpetals, Prickly Sida, Prickly Mallow, False-mallow
3137 - Sideroxylon lanuginosum ssp. lanuginosum — Eastern Gum Bumelia, Eastern Gum Bully
3138 - Sideroxylon lycioides — Buckthorn Bumelia, Buckthorn Bully
3139 - Sideroxylon tenax — Tough Bumelia, Tough Buckthorn, Tough Bully
3140 - Sideroxylon thornei — Thorne's Bumelia, Swamp Bumelia
3141 - Silene antirrhina — Sleepy Catchfly, Garter-pink
3142 - Silene armeria — Sweet William Catchfly, Garden Catchfly, None-so-pretty
3143 - Silene caroliniana ssp. caroliniana — South Carolina Wild-pink, Rock Catchfly, Carolina Pink
3144 - Silene caroliniana ssp. pensylvanica — Northern Wild-pink, Sticky Catchfly, Pennsylvania Catchfly
3145 - Silene dichotoma — Forked Catchfly
3146 - Silene latifolia ssp. alba — White Campion, Evening Campion, White Cockle, Evening Lychnis
3147 - Silene nivea — Snowy Campion
3148 - Silene noctiflora — Night-flowering Catchfly, Sticky Campion, Sticky Cockle
3149 - Silene ovata — Mountain Catchfly, Fringed Campion, Blue Ridge Catchfly
3150 - Silene polypetala — Eastern Fringed Campion, Eastern Fringed Catchfly
3151 - Silene regia — Royal Catchfly
3152 - Silene stellata — Starry Campion, Widow's-frill
3153 - Silene virginica var. robusta — Large Fire-pink
3154 - Silene virginica var. virginica — Fire Pink
3155 - Silene vulgaris — Bladder Campion, Maiden's-tears
3156 - Silphium asteriscus var. asteriscus — Starry Rosinweed
3157 - Silphium asteriscus var. laevicaule — Starry Rosinweed
3158 - Silphium compositum var. compositum — Kidneyleaf Rosinweed, Rhubarb-leaved Rosinweed, Compass Plant, Carolina Rosinweed
3159 - Silphium compositum var. reniforme — Ragged Rosinweed, Kidneyleaf Rosinweed
3160 - Silphium integrifolium var. gattingeri — Gattinger's Rosinweed
3161 - Silphium integrifolium var. integrifolium — Prairie Rosinweed
3162 - Silphium laciniatum var. laciniatum — Compass-plant
3163 - Silphium mohrii — Shaggy Rosinweed
3164 - Silphium perfoliatum var. connatum — Virginia Cup-plant
3165 - Silphium perfoliatum var. perfoliatum — Common Cup-plant, Indian Cup
3166 - Silphium pinnatifidum — Cutleaf Prairie-dock, Tansy Rosinweed
3167 - Silphium simpsonii — Simpson's rosinweed
3168 - Silphium terebinthinaceum + — Prairie-dock, Broadleaf Prairie-dock
3169 - Silphium trifoliatum var. latifolium — Whorled Rosinweed
3170 - Silphium trifoliatum var. trifoliatum — Whorled Rosinweed
3171 - Silybum marianum — Blessed Milk-thistle, Blessed-thistle, Milk-thistle
3172 - Sisymbrium altissimum — Tumble Mustard, Jim Hill Mustard
3173 - Sisymbrium officinale — Hedge Mustard
3174 - Sisyrinchium albidum — Pale Blue-eyed Grass, White Blue-eyed Grass
3175 - Sisyrinchium angustifolium — Narrowleaf Blue-eyed Grass, Stout Blue-eyed Grass
3176 - Sisyrinchium atlanticum — Atlantic Blue-eyed Grass, Eastern Blue-eyed Grass
3177 - Sisyrinchium dichotomum — White Irisette, Isothermal Irisette
3178 - Sisyrinchium fuscatum — Sandyland Blue-eyed Grass
3179 - Sisyrinchium fuscatum — Bristly Blue-eyed Grass, Coastal Plain Blue-eyed Grass
3180 - Sisyrinchium mucronatum — Needletip Blue-eyed Grass
3181 - Sisyrinchium rosulatum — Annual Blue-eyed Grass, Lawn Blue-eyed Grass
3182 - Sium suave — Hemlock Water-parsnip
3183 - Smallanthus uvedalius — Bearsfoot, Hairy Leafcup, Yellow Leafcup
3184 - Smilax auriculata — Dune Greenbrier
3185 - Smilax biltmoreana — Biltmore Carrionflower
3186 - Smilax bona-nox — Stretchberry, Fringed Greenbrier, Catbrier, Tramp's Trouble
3187 - Smilax bona-nox — Maritime Catbrier, Maritime Saw Greenbrier
3188 - Smilax ecirrhata — upright carrionflower
3189 - Smilax glauca — Whiteleaf Greenbrier, Wild Sarsaparilla, Sawbrier
3190 - Smilax herbacea — Common Carrionflower, Smooth Carrionflower
3191 - Smilax hugeri — Huger's Carrionflower
3192 - Smilax lasioneura — Midwestern Carrionflower
3193 - Smilax laurifolia — Bamboo-vine, Blaspheme-vine, Wild Bamboo, Laurel-leaf Greenbriar
3194 - Smilax pseudochina — Coastal Carrionflower, Bamboo-vine
3195 - Smilax pulverulenta — Downy Carrionflower
3196 - Smilax pumila — Dwarf Smilax, Sarsaparilla-vine
3197 - Smilax rotundifolia — Common Greenbrier, Common Catbrier, Bullbrier, Horsebrier
3198 - Smilax smallii — Jackson-brier, Unarmed Catbrier, Sweet-scented Smilax
3199 - Smilax tamnoides — Bristly Greenbrier, Hellfetter, Chinaroot
3200 - Smilax walteri — Coral Greenbrier, Red-berried Swamp Smilax
3201 - Solanum americanum — American Black Nightshade
3202 - Solanum carolinense var. carolinense — Carolina Horsenettle, Ball-nettle
3203 - Solanum diphyllum — Paired-leaf Nightshade, Twoleaf Nightshade
3204 - Solanum dulcamara var. dulcamara — Bittersweet Nightshade, Deadly Nightshade
3205 - Solanum nigrum — European Black Nightshade
3206 - Solanum physalifolium — Hairy Nightshade
3207 - Solanum pseudocapsicum — Jerusalem-cherry
3208 - Solanum ptycanthum — Eastern Black Nightshade
3209 - Solanum rostratum — Buffalo-bur Nightshade, Kansas-thistle
3210 - Solanum sisymbriifolium — Sticky Nightshade
3211 - Solanum tampicense — Wetland Nightshade, Aquatic Soda Apple
3212 - Solanum torvum — Turkeyberry
3213 - Solanum viarum — Tropical Soda-apple
3214 - Solidago altissima — Tall Goldenrod, Field Goldenrod, Common Goldenrod
3215 - Solidago altissima — Southern Tall Goldenrod
3216 - Solidago arguta var. arguta — Forest Goldenrod, Sharp-leaved Goldenrod, Cutleaf Goldenrod
3217 - Solidago arguta var. arguta — Atlantic Goldenrod
3218 - Solidago arguta var. boottii — Boott's Goldenrod, Cutleaf Goldenrod
3219 - Solidago arguta var. caroliniana — Cutleaf Goldenrod, Vasey's Goldenrod, Atlantic Goldenrod
3220 - Solidago auriculata — Eared Goldenrod
3221 - Solidago bicolor — Silverrod, White Goldenrod
3222 - Solidago brachyphylla — Dixie Goldenrod
3223 - Solidago caesia — Bluestem Goldenrod, Wreath Goldenrod, Axillary Goldenrod, Bridal-wreath Goldenrod
3224 - Solidago canadensis var. canadensis — Canada Goldenrod
3225 - Solidago canadensis var. hargeri — Harger's Common Goldenrod, Harger's Canada Goldenrod
3226 - Solidago curtisii — Curtis's Goldenrod
3227 - Solidago erecta — Slender Goldenrod, Erect Goldenrod
3228 - Solidago faucibus — Gorge Goldenrod
3229 - Solidago fistulosa — Pine Barren Goldenrod, Hairy Pineywoods Goldenrod, Shaggy Pineywoods Goldenrod
3230 - Solidago flaccidifolia — Appalachian Goldenrod, Mountain Goldenrod
3231 - Solidago flexicaulis — Zigzag Goldenrod, Broadleaf Goldenrod
3232 - Solidago gigantea — Smooth Goldenrod, Late Goldenrod, Giant Goldenrod
3233 - Solidago glomerata — Skunk Goldenrod, Clustered Goldenrod
3234 - Solidago gracillima — Pine Barren Bog Goldenrod, Northern Wand Goldenrod
3235 - Solidago gracillima — Southern Bog Goldenrod, Graceful Goldenrod
3236 - Solidago gracillima — Southern Bog Goldenrod, Southern Goldenrod, Piedmont Wand Goldenrod
3237 - Solidago hispida var. hispida — Hairy Goldenrod
3238 - Solidago juncea — Early Goldenrod
3239 - Solidago latissimifolia — Coastal Swamp Goldenrod, Elliott's goldenrod
3240 - Solidago leavenworthii — Leavenworth's Goldenrod
3241 - Solidago nemoralis var. nemoralis — Gray Goldenrod, Eastern Gray Goldenrod
3242 - Solidago odora var. chapmanii — Chapman's Goldenrod
3243 - Solidago odora var. odora — Licorice Goldenrod, Sweet Goldenrod, Fragrant Goldenrod
3244 - Solidago patula var. patula — Northern Roughleaf Goldenrod
3245 - Solidago patula var. strictula — Southern Roughleaf Goldenrod
3246 - Solidago petiolaris var. petiolaris — Downy Ragged Goldenrod, Downy Goldenrod
3247 - Solidago pinetorum — Small's Goldenrod, Pineywoods Goldenrod
3248 - Solidago plumosa — Yadkin River Goldenrod
3249 - Solidago porteri — Porter's Goldenrod
3250 - Solidago puberula var. puberula — Downy Goldenrod
3251 - Solidago puberula var. pulverulenta — Dusty Downy Goldenrod
3252 - Solidago pulchra — Carolina Goldenrod, Beautiful Goldenrod
3253 - Solidago radula var. radula — Rough Goldenrod
3254 - Solidago roanensis — Roan Mountain Goldenrod
3255 - Solidago rugosa ssp. aspera — Wrinkleleaf Goldenrod
3256 - Solidago rugosa ssp. aspera — Cronquist's Wrinkleleaf Goldenrod, Cronquist's Goldenrod
3257 - Solidago rugosa ssp. aspera — Hackberry-leaf Goldenrod
3258 - Solidago rugosa ssp. rugosa var. rugosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod
3259 - Solidago rugosa ssp. rugosa var. sphagnophila — Peat-loving Goldenrod
3260 - Solidago rupestris — Riverbank Goldenrod, Rock Goldenrod
3261 - Solidago sempervirens var. mexicana — Southern Seaside Goldenrod
3262 - Solidago sempervirens var. sempervirens — Northern Seaside Goldenrod
3263 - Solidago simulans — Granite Dome Goldenrod, Cliffside Goldenrod
3264 - Solidago speciosa var. rigidiuscula — Narrowleaf Showy Goldenrod, Slender Showy Goldenrod
3265 - Solidago speciosa var. speciosa — Showy Goldenrod, Noble Goldenrod
3266 - Solidago sphacelata — Heartleaf Goldenrod, False Goldenrod, Limestone Goldenrod, Autumn Goldenrod
3267 - Solidago spithamaea — Blue Ridge Goldenrod
3268 - Solidago squarrosa — Stout Goldenrod, Squarrose Goldenrod, Ragged Goldenrod
3269 - Solidago stricta — Wand Goldenrod
3270 - Solidago tortifolia — Twistleaf Goldenrod, Leafy Pineywoods Goldenrod, Leafy Pinelands Goldenrod
3271 - Solidago uliginosa var. uliginosa — Northern Bog Goldenrod, Swamp Goldenrod
3272 - Solidago ulmifolia var. ulmifolia — Elmleaf Goldenrod
3273 - Solidago verna — Spring-flowering Goldenrod, Spring Goldenrod
3274 - Sonchus arvensis ssp. arvensis — Field Sowthistle, Perennial Sowthistle
3275 - Sonchus arvensis ssp. uliginosus — Field Sowthistle, Perennial Sowthistle
3276 - Sonchus asper — Prickly Sowthistle, Spiny-leaf Sowthistle
3277 - Sonchus oleraceus — Annual Sowthistle, Common Sowthistle
3278 - Sophora japonica — Pagoda Tree
3279 - Sorbus americana — Mountain-ash, American Mountain-ash, American Rowan
3280 - Sorbus aucuparia — European Mountain-ash, Rowan
3281 - Sorghastrum elliottii — Elliot's Indiangrass, Slender Indiangrass, Nodding Indiangrass
3282 - Sorghastrum nutans — Yellow Indiangrass, Prairie Indiangrass
3283 - Sorghastrum secundum — Lopsided Indiangrass
3284 - Sorghum bicolor ssp. bicolor — Sorghum, Milo, Broomcorn, Sorgo
3285 - Sorghum halepense — Johnsongrass
3286 - Sparganium americanum — American Bur-reed
3287 - Spartina alterniflora — Saltmarsh Cordgrass, Smooth Cordgrass
3288 - Spermacoce assurgens — woodland false buttonweed
3289 - Spermacoce verticillata — Shrubby Buttonweed, Whitehead Broom, Boton Blanco
3290 - Sphagneticola trilobata — Wedelia
3291 - Sphenopholis intermedia — Slender Wedgegrass
3292 - Sphenopholis obtusata — Prairie Wedgegrass
3293 - Spigelia marilandica — Indian Pink, Woodland Pinkroot, Wormgrass
3294 - Spiraea alba var. alba — Narrowleaf Meadowsweet, Pipestem
3295 - Spiraea alba var. latifolia — Broadleaf Meadowsweet
3296 - Spiraea betulifolia var. corymbosa — Dwarf Spiraea, Rock Spiraea, Shinyleaf Meadowsweet
3297 - Spiraea japonica var. fortunei — Japanese Spiraea
3298 - Spiraea thunbergii — Thunberg's meadowsweet
3299 - Spiraea tomentosa — Hardhack, Steeplebush
3300 - Spiraea virginiana — Virginia Spiraea, Appalachian Spiraea
3301 - Spiranthes brevilabris — Short-lipped Ladies'-tresses, Texas Ladies'-tresses
3302 - Spiranthes cernua — Nodding Ladies'-tresses
3303 - Spiranthes eatonii — Eaton's Ladies'-tresses
3304 - Spiranthes floridana — Florida Ladies'-tresses
3305 - Spiranthes lacera var. gracilis — Southern Slender Ladies'-tresses
3306 - Spiranthes lacera var. lacera — Northern Slender Ladies'-tresses
3307 - Spiranthes laciniata — Lacelip Ladies'-tresses, Lace-lip Spiral Orchid
3308 - Spiranthes longilabris — Long-lipped Ladies'-tresses, Giant Spiral Orchid, Giant Spiral Ladies'-tresses
3309 - Spiranthes lucida — Shining Ladies'-tresses
3310 - Spiranthes magnicamporum — Great Plains Ladies'-tresses
3311 - Spiranthes ochroleuca — Yellow Ladies'-tresses, Yellow Nodding Ladies'-tresses
3312 - Spiranthes odorata — Fragrant Ladies'-tresses, Marsh Ladies'-tresses
3313 - Spiranthes ovalis var. erostellata — Lesser Ladies'-tresses, Oval Ladies'-tresses, October Ladies'-tresses
3314 - Spiranthes ovalis var. ovalis — Oval Ladies'-tresses
3315 - Spiranthes praecox — Grassleaf Ladies'-tresses, Giant Ladies'-tresses
3316 - Spiranthes praecox — Woodland Ladies'-tresses, Pale Green Ladies'-tresses
3317 - Spiranthes tuberosa — Little Ladies'-tresses, Little Pearl-twist
3318 - Spiranthes vernalis — Spring Ladies'-tresses
3319 - Spirodela polyrrhiza — Greater Duckweed, Duckmeat, Minnow-fole, Giant Duckweed
3320 - Sporobolus clandestinus — Rough Dropseed
3321 - Sporobolus compositus var. compositus — Tall Dropseed
3322 - Sporobolus curtissii — Curtiss's Dropseed
3323 - Sporobolus heterolepis — Prairie Dropseed
3324 - Sporobolus indicus var. indicus — Smut-grass, Blackseed
3325 - Sporobolus indicus var. pyramidalis — West Indian Dropseed
3326 - Sporobolus junceus — Sandhills Dropseed, Pineywoods Dropseed
3327 - Sporobolus pinetorum — Carolina Dropseed, Savanna Dropseed
3328 - Sporobolus teretifolius — Wireleaf Dropseed
3329 - Stachys annua — Annual Woundwort, Annual Hedgenettle
3330 - Stachys appalachiana — Appalachian Hedgenettle
3331 - Stachys arvensis — Staggerweed
3332 - Stachys aspera — Roughleaf Hedgenettle, Rough Hedgenettle
3333 - Stachys byzantina — Lamb's-ear
3334 - Stachys clingmanii — Clingman's Hedgenettle
3335 - Stachys cordata — Heart-leaved Hedgenettle
3336 - Stachys cordata — Nuttall’s Hedgenettle
3337 - Stachys crenata — Mouse's-ear, Shade Betony
3338 - Stachys eplingii — Epling's Hedgenettle
3339 - Stachys floridana — Florida Betony, Rattlesnake-weed, Florida Hedgenettle
3340 - Stachys germanica — German hedgenettle
3341 - Stachys hyssopifolia — Hyssopleaf Hedgenettle
3342 - Stachys hyssopifolia — hyssop-leaved hedgenettle
3343 - Stachys latidens — Broadtooth Hedgenettle
3344 - Stachys palustris — marsh hedgenettle
3345 - Stachys pilosa var. arenicola — Woundwort
3346 - Stachys tenuifolia — Smooth Hedgenettle
3347 - Stachys tenuifolia — Hispid Hedgenettle
3348 - Staphylea trifolia — Bladdernut
3349 - Stellaria alsine — Bog Chickweed, Bog Stitchwort, Longstalk Starwort
3350 - Stellaria graminea — Lesser Stitchwort, Grassleaf Starwort
3351 - Stellaria longifolia var. longifolia — Longleaf Stitchwort
3352 - Stellaria media ssp. media — Common Chickweed
3353 - Stellaria pubera — Giant Chickweed, Star Chickweed, Great Chickweed, Common Starwort
3354 - Stenanthium gramineum + — Eastern Featherbells
3355 - Stenaria nigricans var. nigricans — Diamond-flower, Glade Bluet
3356 - Stewartia malacodendron — Silky Camellia, Virginia Stewartia, Stewartia
3357 - Stewartia ovata — Mountain Camellia, Mountain Stewartia
3358 - Stillingia aquatica — Corkwood, Water Toothleaf
3359 - Stillingia sylvatica ssp. sylvatica — Queen's-delight
3360 - Stipulicida setacea var. setacea — Coastal Plain Wireplant, Pineland Scaly-pink
3361 - Stokesia laevis — Stokes Aster, Stokesia, Blue Stokesia
3362 - Streptopus amplexifolius var. amplexifolius — Clasping Twisted-stalk, White Mandarin, Pagoda-bells
3363 - Streptopus lanceolatus var. lanceolatus — Rosy Twisted-stalk, Eastern Rose Mandarin, Eastern Twisted-stalk
3364 - Striga asiatica — Asiatic Witchweed
3365 - Strophostyles helvola — Annual Sand Bean, Beach Pea, Trailing Wild Bean, Trailing Fuzzy-Bean
3366 - Strophostyles umbellata — Perennial Sand Bean, Perennial Wild Bean, Pink Wild Bean, Pink Fuzzy-Bean
3367 - Stylisma aquatica — Water Dawnflower
3368 - Stylisma humistrata — Southern Dawnflower
3369 - Stylisma patens ssp. angustifolia — Narrowleaf Dawnflower
3370 - Stylisma patens ssp. patens — Sandhill Dawnflower, Sandhill Morning Glory, Coastal Plain Dawnflower, Common Dawnflower
3371 - Stylisma pickeringii var. pickeringii — Pickering's Dawnflower, Pickering's Morning Glory
3372 - Stylodon carneus — Carolina Vervain, Carolina False Vervain
3373 - Stylophorum diphyllum — Celandine Poppy, Woods-poppy
3374 - Stylosanthes biflora — Pencil-flower, Sidebeak Pencil-flower
3375 - Styrax americanus — American Storax, American Snowbell
3376 - Styrax grandifolius — Bigleaf Snowbell, Large-leaved Storax
3377 - Symphoricarpos albus var. albus — Common Snowberry
3378 - Symphoricarpos albus var. laevigatus — Pacific Snowberry
3379 - Symphoricarpos orbiculatus — Coralberry, Indian Currant
3380 - Symphyotrichum concolor — Eastern Silvery Aster
3381 - Symphyotrichum cordifolium — Heartleaf Aster, Common Blue Wood Aster
3382 - Symphyotrichum divaricatum — Midwestern Salt-marsh Aster
3383 - Symphyotrichum dumosum + — Bushy Aster, Long-stalked Aster, Rice-button Aster
3384 - Symphyotrichum elliotii — Elliott's Aster, Southern Swamp Aster
3385 - Symphyotrichum georgianum — Georgia Aster
3386 - Symphyotrichum grandiflorum — Big-headed Aster, Rough Aster, Large-headed Aster, Largeflower Aster
3387 - Symphyotrichum laeve var. concinnum — Narrowleaf Smooth Blue Aster, Harmonious Aster
3388 - Symphyotrichum laeve var. laeve — Smooth Blue Aster
3389 - Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum — White Panicle Aster, Tall White Aster, Panicled Aster
3390 - Symphyotrichum lateriflorum var. lateriflorum — Calico Aster, Starved Aster
3391 - Symphyotrichum lowrieanum — Smooth Heartleaf Aster, Lowrie's Blue Wood Aster, Lowrie's Aster
3392 - Symphyotrichum novae-angliae — New England Aster
3393 - Symphyotrichum novi-belgii var. elodes — New York Aster
3394 - Symphyotrichum oblongifolium — Eastern Aromatic Aster, Shale-barren Aster
3395 - Symphyotrichum patens var. patens — Late Purple Aster, Common Clasping Aster, Late Blue Aster, Skydrop Aster
3396 - Symphyotrichum phlogifolium — Appalachian Clasping Aster, Thinleaf Late Purple Aster
3397 - Symphyotrichum pilosum var. pilosum — Frost Aster, White Heath Aster
3398 - Symphyotrichum praealtum var. angustior — Willow Aster, Veiny Lined Aster, Tall Aster
3399 - Symphyotrichum prenanthoides — Crooked-stem Aster, Zigzag Aster
3400 - Symphyotrichum puniceum var. puniceum — Purplestem Aster, Swamp Aster
3401 - Symphyotrichum racemosum — Small White Aster
3402 - Symphyotrichum retroflexum — Curtis's Aster, Rigid Whitetop Aster
3403 - Symphyotrichum sericeum — Western Silvery Aster
3404 - Symphyotrichum shortii — Short's Aster, Midwestern Blue Heart-leaved Aster
3405 - Symphyotrichum subulatum — Eastern Saltmarsh Aster, Annual Saltmarsh Aster
3406 - Symphyotrichum tenuifolium — Perennial Saltmarsh Aster
3407 - Symphyotrichum undulatum — Wavyleaf Aster
3408 - Symphyotrichum urophyllum — White Arrowleaf Aster, Arrowleaf Blue Wood Aster
3409 - Symphyotrichum walteri — Walter's Aster
3410 - Symphytum asperum — Prickly Comfrey
3411 - Symplocarpus foetidus — Skunk Cabbage
3412 - Symplocos tinctoria — Horsesugar, Sweetleaf, Dyebush
3413 - Synandra hispidula — Guyandotte Beauty, Synandra
3414 - Syngonanthus flavidulus — Yellow Hatpins, Bantam-buttons
3415 - Syringa vulgaris — Common Lilac, French Lilac
3416 - Taenidia integerrima — Yellow Pimpernel
3417 - Tagetes minuta — Muster John Henry, Southern Cone Marigold, Mexican Marigold
3418 - Talinum paniculatum — Panicled Fameflower, Jewels-of-Opar
3419 - Tamarix africana — African Tamarisk
3420 - Tamarix canariensis — Canary Island Tamarisk
3421 - Tamarix chinensis — Chinese Tamarisk
3422 - Tamarix gallica — French Tamarisk
3423 - Tamarix parviflora — Smallflower Tamarisk
3424 - Tamarix ramosissima — Saltcedar, Tamarisk
3425 - Tamarix tetragyna — Tamarix
3426 - Tanacetum balsamita — Mint-geranium
3427 - Tanacetum parthenium — Feverfew, Feather-leaf Tansy
3428 - Tanacetum vulgare — Common Tansy, Golden-buttons
3429 - Taraxacum laevigatum — Red-seeded Dandelion
3430 - Taraxacum officinale ssp. officinale — Common Dandelion
3431 - Taxodium ascendens — Pond Cypress
3432 - Taxodium distichum — Bald Cypress
3433 - Taxus canadensis — Canada Yew, American Yew
3434 - Tephrosia hispidula — Sprawling Hoary-pea
3435 - Tephrosia spicata — Spiked Hoary-pea, Brown-hair Tephrosia, Tawny Goat's Rue
3436 - Tephrosia virginiana — Virginia Goat's Rue, Devil's Shoestrings
3437 - Tetragonotheca helianthoides — Pineland Squarehead, Pineland-ginseng
3438 - Teucrium canadense + — American Germander, Wood Sage
3439 - Thalia dealbata — Powdery Thalia, Powdery Alligator-flag
3440 - Thalictrum aquilegifolium — Columbine Meadow-rue
3441 - Thalictrum clavatum — Mountain Meadow-rue, Lady-rue
3442 - Thalictrum coriaceum — Appalachian Meadow-rue, Maid of the Mist
3443 - Thalictrum dasycarpum — Purple Meadow-rue
3444 - Thalictrum debile — Trailing Meadow-rue
3445 - Thalictrum dioicum — Early Meadow-rue
3446 - Thalictrum macrostylum — Small-flowered Meadow-rue, Small-leaved Meadow-rue
3447 - Thalictrum pubescens — Common Tall Meadow-rue, King-of-the-meadow, Late Meadow-rue
3448 - Thalictrum pubescens — Appalachian Tall Meadow-rue
3449 - Thalictrum revolutum — Skunk Meadow-rue, Waxy Meadow-rue
3450 - Thalictrum thalictroides — Windflower, Rue-anemone
3451 - Thaspium barbinode — Hairy-jointed Meadow-parsnip
3452 - Thaspium pinnatifidum — Cutleaf Meadow-parsnip
3453 - Thaspium trifoliatum var. aureum — Yellow Meadow-parsnip, Woodland Parsnip
3454 - Thaspium trifoliatum var. trifoliatum — Purple Meadow-parsnip, Woodland Parsnip
3455 - Thelypteris dentata — Downy Maiden Fern, Soft Fern, Downy Shield Fern
3456 - Thelypteris kunthii — Kunth's Maiden Fern, Southern Shield Fern, Southern Wood Fern
3457 - Thelypteris noveboracensis — New York Fern
3458 - Thelypteris palustris var. pubescens — Marsh Fern
3459 - Thelypteris simulata — Bog Fern, Massachusetts Fern
3460 - Thermopsis fraxinifolia — Ashleaf Golden-banner
3461 - Thermopsis mollis — Appalachian Golden-banner, Allegheny Mountain Golden-banner, Bush Pea
3462 - Thermopsis villosa — Aaron's Rod, Blue Ridge Golden-banner, Hairy Bush Pea
3463 - Thlaspi alliaceum — Garlic Pennycress, Roadside Pennycress
3464 - Thlaspi arvense — Field Pennycress, Frenchweed
3465 - Thuja occidentalis — American Arborvitae, Northern White Cedar, Flat Cedar, Eastern Arborvitae
3466 - Tiarella cordifolia — Heartleaf Foamflower
3467 - Tilia americana var. americana — American Basswood, Northern Basswood
3468 - Tilia americana var. caroliniana — Carolina Basswood, Southern Basswood
3469 - Tilia americana var. heterophylla — Mountain Basswood, White Basswood
3470 - Tilia cordata — Little-leaf Linden, Small-leaved Linden, Small-leaved Lime
3471 - Tillandsia recurvata — Ball-moss, Bunch-moss
3472 - Tillandsia usneoides — Spanish Moss
3473 - Tipularia discolor — Cranefly Orchid
3474 - Tithonia rotundifolia — Mexican Sunflower, Clavel de Muerto
3475 - Tofieldia glabra — Carolina Bog Asphodel, White Asphodel
3476 - Torilis arvensis ssp. arvensis — Spreading Hedge-parsley, Spreading Bur-parsley, Field Hedge-parsley
3477 - Torilis japonica — Japanese Hedge-parsley, Erect Hedge-parsley
3478 - Torreya taxifolia — Florida Torreya, Stinking-cedar
3479 - Toxicodendron pubescens — Poison Oak
3480 - Toxicodendron radicans ssp. radicans — Eastern Poison Ivy
3481 - Toxicodendron rydbergii — Wesern Poison Ivy
3482 - Toxicodendron vernix — Poison Sumac, Thunderwood
3483 - Trachelospermum difforme — Climbing Dogbane
3484 - Trachelospermum jasminoides — Confederate Jasmine, Star Jasmine
3485 - Tradescantia hirsuticaulis — Hairy Spiderwort
3486 - Tradescantia hirsutiflora — Hairy Spiderwort
3487 - Tradescantia ohiensis — Smooth Spiderwort, Ohio Spiderwort
3488 - Tradescantia subaspera var. subaspera — Zigzag Spiderwort, Wide-leaved Spiderwort
3489 - Tradescantia virginiana — Virginia Spiderwort
3490 - Tragia urens — Wavyleaf Noseburn, Southeastern Noseburn
3491 - Tragia urticifolia — Nettleleaf Noseburn, Tragia
3492 - Tragopogon dubius — Vegetable Oyster, Yellow Salsify, Western Salsify, Yellow Goatsbeard
3493 - Tragopogon porrifolius — Purple Salsify, Vegetable Oyster, Oyster Plant, Purple Goatsbeard
3494 - Trapa natans — European Water Chestnut, Water Caltrop
3495 - Trautvetteria caroliniensis var. caroliniensis — Carolina Tassel-rue, Carolina Bugbane, False Bugbane
3496 - Trepocarpus aethusae — White-nymph
3497 - Triadenum tubulosum — Southern Marsh St. Johnswort
3498 - Triadenum virginicum — Virginia Marsh St. Johnswort, Common Marsh St. Johnswort
3499 - Triadenum walteri — Walter’s Marsh St. Johnswort, Greater Marsh St. Johnswort
3500 - Triadica sebifera — Popcorn Tree, Chinese Tallow-tree
3501 - Triantha glutinosa — Sticky Bog Asphodel, Northern Bog Asphodel, False Asphodel
3502 - Triantha racemosa — Coastal Bog Asphodel, Coastal False Asphodel, Southern Bog Asphodel, Savanna Asphodel
3503 - Tribulus cistoides — Jamaica Feverplant, Burr-nut
3504 - Tribulus terrestris — Puncture-weed, Caltrop, Devil's-thorn, Puncture Vine
3505 - Trichomanes boschianum — Appalachian Filmy-fern, Bristle Fern
3506 - Trichomanes petersii — Dwarf Filmy-fern, Bristle Fern, Peters' Filmy Fern
3507 - Trichophorum cespitosum — Deerhair Bulrush, Deergrass, Tufted Bulrush
3508 - Trichostema brachiatum — Glade Blue Curls, False Pennyroyal, Fluxweed
3509 - Trichostema dichotomum — Forked Bluecurls, Common Blue Curls
3510 - Trichostema setaceum — Narrowleaf Blue Curls
3511 - Tridens carolinianus — Carolina Triodia, Carolina Fluffgrass
3512 - Tridens flavus var. flavus — Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop
3513 - Tridens strictus — Longspike Tridens, Longspike Fluffgrass, Spike Triodia
3514 - Trientalis borealis ssp. borealis — Northern Starflower, Maystar
3515 - Trifolium arvense — Rabbitfoot Clover
3516 - Trifolium aureum — Large Hop Clover, Yellow Clover, Golden Clover
3517 - Trifolium campestre — Hop Clover, Low Hop Clover, Field Clover
3518 - Trifolium carolinianum — Wild White Clover, Carolina Clover
3519 - Trifolium dubium — Least Hop Clover, Low Hop Clover, Suckling Clover
3520 - Trifolium fragiferum — Strawberry Clover
3521 - Trifolium hybridum — Alsike Clover
3522 - Trifolium incarnatum — Crimson Clover
3523 - Trifolium pratense — Red Clover
3524 - Trifolium reflexum — Buffalo Clover
3525 - Trifolium repens — White Clover, White Dutch Clover, Ladino Clover
3526 - Trifolium resupinatum — Persian Clover, Reversed Clover
3527 - Trifolium vesiculosum — Arrowleaf Clover
3528 - Trillium catesbaei — Catesby's Trillium, Rosy Wake-robin, Bashful Trillium, Rose Trillium
3529 - Trillium cernuum — Northern Nodding Trillium
3530 - Trillium cuneatum — Little Sweet Betsy, Purple Toadshade
3531 - Trillium decipiens — Chattahoochee Trillium, Deceptive Trillium
3532 - Trillium decumbens — Decumbent Trillium, Trailing Trillium
3533 - Trillium discolor — Pale Yellow Trillium, Faded Trillium, Small Yellow Toadshade, Savannah River Trillium
3534 - Trillium erectum — Red Trillium, Purple Trillium, Stinking Willie, Stinking Benjamin
3535 - Trillium erectum — White-flowered Red Trillium
3536 - Trillium flexipes — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium
3537 - Trillium grandiflorum — Large-flowered Trillium, Great White Trillium, White Wake-robin, Showy Wake-robin
3538 - Trillium lancifolium — Lanceleaf Trillium, Narrowleaf Trillium
3539 - Trillium ludovicianum — Louisiana Trillium, Louisiana Wake-robin
3540 - Trillium luteum — Yellow Trillium, Yellow Toadshade, Lemon-scented Trillium, Wax Trillium
3541 - Trillium maculatum — Mottled Trillium, Spotted Trillium
3542 - Trillium persistens — Persistent Trillium, Edna's Trillium
3543 - Trillium pusillum + — Carolina Least Trillium, Virginia Dwarf Trillium, Aiken Least Trillium
3544 - Trillium recurvatum — Prairie Trillium, Prairie Wake-robin, Recurved Trillium
3545 - Trillium reliquum — Relict Trillium
3546 - Trillium rugelii — Southern Nodding Trillium
3547 - Trillium sessile — Sessile Trillium, Sessile Toadshade, Toad Trillium
3548 - Trillium simile — Sweet White Trillium, Confusing Trillium, Jeweled Trillium
3549 - Trillium stamineum — Twisted Trillium, Helicopter Trillium
3550 - Trillium sulcatum — Southern Red Trillium, Barksdale's Trillium
3551 - Trillium underwoodii — Underwood's Trillium
3552 - Trillium undulatum — Painted Trillium, Striped Wake-robin
3553 - Trillium vaseyi — Vasey's Trillium, Sweet Trillium, Sweet Beth
3554 - Triodanis biflora — Southern Venus's Looking-glass, Small Venus's Looking-glass
3555 - Triodanis perfoliata — Clasping Venus's Looking-glass
3556 - Triosteum angustifolium — Yellowfruit Horse-gentian, Lesser Horse-gentian
3557 - Triosteum aurantiacum var. aurantiacum — Orange-fruited Horse-gentian
3558 - Triosteum perfoliatum — Perfoliate Horse-gentian, Perfoliate Tinker's-weed, Wild Coffee, Feverwort
3559 - Triphora trianthophora — Three Birds Orchid, Nodding Pogonia, Nodding Ettercap
3560 - Triplasis americana — Southern Sandgrass, Perennial Sandgrass
3561 - Triplasis purpurea — Purple Sandgrass
3562 - Tripleurospermum perforatum — Scentless Chamomile, False Chamomile
3563 - Tripsacum dactyloides — Gama Grass, Eastern Gamagrass
3564 - Tristagma uniflorum — Spring Starflower, Spring Star, Star of Bethlehem
3565 - Triticum aestivum — Bread Wheat
3566 - Tsuga canadensis — Eastern Hemlock, Canada Hemlock
3567 - Tsuga caroliniana — Carolina Hemlock
3568 - Tussilago farfara — Coltsfoot
3569 - Typha ×glauca — Hybrid Cattail
3570 - Typha angustifolia — Narrowleaf Cattail
3571 - Typha domingensis — Southern Cattail
3572 - Typha latifolia — Common Cattail, Broadleaf Cattail
3573 - Ulmus alata — Winged Elm
3574 - Ulmus americana — American Elm, White Elm
3575 - Ulmus americana — Florida Elm
3576 - Ulmus crassifolia — Cedar Elm
3577 - Ulmus glabra — Wych Elm, Scotch Elm
3578 - Ulmus parvifolia — Lacebark Elm, Chinese Elm
3579 - Ulmus procera — English Elm, English Cork Elm
3580 - Ulmus pumila — Siberian Elm, Dwarf Elm
3581 - Ulmus rubra — Slippery Elm, Red Elm
3582 - Ulmus serotina — September Elm, Rock Elm
3583 - Uniola paniculata — Sea Oats
3584 - Urochloa maxima — Guinea Grass
3585 - Urochloa ramosa — Browntop Millet, Dixie Signalgrass
3586 - Urtica chamaedryoides — Weak Nettle, Dwarf Stinging Nettle, Heartleaf Nettle
3587 - Urtica dioica ssp. dioica — European Stinging Nettle, Great Nettle
3588 - Urtica dioica ssp. gracilis — American Stinging Nettle, Slender Nettle
3589 - Utricularia cornuta — Horned Bladderwort
3590 - Utricularia foliosa — Flatstem Bladderwort, Leafy Bladderwort
3591 - Utricularia gibba — Shortspur Creeping Bladderwort, Humped Bladderwort
3592 - Utricularia gibba — Longspur Creeping Bladderwort, Twoflower Bladderwort
3593 - Utricularia inflata — Swollen Bladderwort, Inflated Bladderwort, Floating Bladderwort
3594 - Utricularia juncea — Southern Bladderwort, Slender Horned Bladderwort
3595 - Utricularia macrorhiza — Greater Bladderwort, Common Bladderwort
3596 - Utricularia purpurea — Purple Bladderwort
3597 - Utricularia radiata — Small Swollen Bladderwort, Floating Bladderwort, little floating bladderwort
3598 - Utricularia resupinata — Northeastern Bladderwort, Resupinate Bladderwort, Lavender Bladderwort
3599 - Utricularia simulans — fringed bladderwort
3600 - Utricularia striata — Fibrous Bladderwort, Striped Bladderwort
3601 - Utricularia subulata — Slender Bladderwort, Zigzag Bladderwort
3602 - Uvularia grandiflora — Large-flowered Bellwort
3603 - Uvularia perfoliata — Perfoliate Bellwort
3604 - Uvularia puberula — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort
3605 - Uvularia sessilifolia — Wild-oats, Sessile-leaf Bellwort, Straw-lily
3606 - Vaccinium arboreum — Sparkleberry, Farkleberry
3607 - Vaccinium caesariense — New Jersey Highbush Blueberry
3608 - Vaccinium corymbosum — Smooth Highbush Blueberry, Northern Highbush Blueberry
3609 - Vaccinium crassifolium ssp. crassifolium — Creeping Blueberry
3610 - Vaccinium crassifolium ssp. sempervirens — Rayner's Blueberry
3611 - Vaccinium darrowii — Darrow's Blueberry
3612 - Vaccinium elliottii — Mayberry, Elliott's Blueberry
3613 - Vaccinium erythrocarpum — Bearberry, Highbush Cranberry, Southern Mountain Cranberry
3614 - Vaccinium formosum — Southern Highbush Blueberry, Swamp Highbush Blueberry
3615 - Vaccinium fuscatum — Hairy Highbush Blueberry, Black Highbush Blueberry
3616 - Vaccinium hirsutum — Woollyberry, Hairy Blueberry
3617 - Vaccinium macrocarpon — Cranberry, Large Cranberry
3618 - Vaccinium myrsinites — Southern Evergreen Blueberry
3619 - Vaccinium oxycoccos — Small Cranberry
3620 - Vaccinium pallidum — Dryland Blueberry, Lowbush Blueberry, Upland Low Blueberry, Hillside Blueberry
3621 - Vaccinium simulatum — Mountain Highbush Blueberry
3622 - Vaccinium stamineum — Southern Deerberry
3623 - Vaccinium stamineum — Dwarf Deerberry
3624 - Vaccinium stamineum — Florida Deerberry, Whiteleaf Deerberry
3625 - Vaccinium stamineum — Common Deerberry
3626 - Vaccinium stamineum — Appalachian Deerberry
3627 - Vaccinium tenellum — Small Black Blueberry, Dwarf Blueberry, Small Cluster Blueberry, Narrowleaf Blueberry
3628 - Vaccinium virgatum — Rabbiteye Blueberry, Swamp Blueberry, Rabbitberry, Smallflower Blueberry
3629 - Valerianella locusta — European Cornsalad
3630 - Valerianella radiata — Beaked Cornsalad
3631 - Valerianella umbilicata — Navel Cornsalad
3632 - Vallisneria americana — American Eelgrass, Water-celery, Tapegrass
3633 - Veratrum hybridum — Crisped Bunchflower, Broadleaf Bunchflower, Slender Bunchflower
3634 - Veratrum parviflorum — Mountain Bunchflower, Small-flowered Hellebore, Small False Hellebore, Appalachian Bunchflower
3635 - Veratrum virginicum — Virginia Bunchflower, Bog Bunchflower
3636 - Veratrum viride — White-hellebore, Indian Poke, Green Hellebore, Cornhusk Lily
3637 - Veratrum woodii — Ozark Bunchflower, Wood's False-hellebore
3638 - Verbascum blattaria — Moth Mullein
3639 - Verbascum phlomoides — Clasping Mullein, Orange Mullein
3640 - Verbascum thapsus — Woolly Mullein, Common Mullein, Flannel-plant, Velvet-plant
3641 - Verbascum virgatum — Wand Mullein, Twiggy Mullein, Moth Mullein
3642 - Verbena bonariensis — Purpletop Vervain, Tall Vervain
3643 - Verbena bonariensis var. conglomerata — Purpletop Vervain, Tall Vervain
3644 - Verbena brasiliensis — Brazilian Vervain
3645 - Verbena hastata var. hastata — Blue Vervain, Common Vervain, Simpler's-joy
3646 - Verbena rigida — Stiff Verbena, Tuberous Vervain
3647 - Verbena simplex — Narrowleaf Vervain
3648 - Verbena stricta — Hoary Vervain
3649 - Verbena urticifolia var. urticifolia — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain
3650 - Verbesina alternifolia — Common Wingstem
3651 - Verbesina occidentalis — Southern Crownbeard, Yellow Crownbeard
3652 - Verbesina virginica var. laciniata — Southern Frostweed
3653 - Verbesina virginica var. virginica — White Crownbeard, Common Frostweed, White Wingstem, Virginia Wingstem
3654 - Verbesina walteri — Walter's Wingstem, Carolina Crownbeard, Walter's Crownbeard
3655 - Vernicia fordii — Tung-oil Tree
3656 - Vernonia acaulis — Stemless Ironweed, Carolina Ironweed
3657 - Vernonia angustifolia ssp. angustifolia — Narrowleaf Ironweed, Slender Ironweed
3658 - Vernonia flaccidifolia — Tennessee Ironweed
3659 - Vernonia gigantea ssp. gigantea — Tall Ironweed, Common Ironweed, Giant Ironweed
3660 - Vernonia glauca — Broadleaf Ironweed, Appalachian Ironweed, Tawny Ironweed
3661 - Vernonia lettermannii — Lettermann's Ironweed, Narrowleaf Ironweed
3662 - Vernonia noveboracensis — New York Ironweed
3663 - Veronica americana — American Speedwell, American Brooklime
3664 - Veronica anagallis-aquatica — Water Speedwell, Brook Pimpernel
3665 - Veronica arvensis — Corn Speedwell, Wall Speedwell
3666 - Veronica beccabunga — European Speedwell, European Brooklime
3667 - Veronica chamaedrys — Germander Speedwell
3668 - Veronica hederifolia — Ivyleaf Speedwell
3669 - Veronica officinalis var. officinalis — Common Speedwell, Gypsyweed, Heath Speedwell
3670 - Veronica peregrina ssp. peregrina — Purslane Speedwell, Neckweed
3671 - Veronica persica — Bird's-eye Speedwell
3672 - Veronica scutellata — Marsh Speedwell, Narrowleaf Speedwell
3673 - Veronica serpyllifolia ssp. serpyllifolia — Thymeleaf Speedwell
3674 - Veronicastrum virginicum — Culver's-root
3675 - Viburnum acerifolium — Mapleleaf Viburnum, Maple-leaved Arrowwood, Dockmackie
3676 - Viburnum bracteatum — Limerock Arrowwood
3677 - Viburnum dentatum var. dentatum — Southern Arrowwood
3678 - Viburnum dentatum var. dentatum — Carolina Arrowwood
3679 - Viburnum dentatum var. dentatum — Southern Arrowwood
3680 - Viburnum dilatatum — Linden Viburnum
3681 - Viburnum lantana — Wayfaring Tree
3682 - Viburnum lantanoides — Witch Hobble, Moosewood, Hobblebush, Tangle-legs
3683 - Viburnum lentago — Nannyberry, Sheepberry
3684 - Viburnum nudum var. cassinoides — Northern Wild Raisin, Withe-rod, Shonny Haw, Shawnee Haw
3685 - Viburnum nudum var. nudum — Southern Wild Raisin, Possumhaw Viburnum, Swamp Viburnum, Swamp-haw
3686 - Viburnum obovatum — Small-leaf Virburnum, Walter's Viburnum
3687 - Viburnum opulus var. americanum — Highbush-cranberry, Cranberry Tree, American Cranberry-bush
3688 - Viburnum opulus var. opulus — Guelder-rose Viburnum, Snowball
3689 - Viburnum plicatum — Japanese Snowball Viburnum, Doublefile Viburnum
3690 - Viburnum prunifolium — Blackhaw, Nannyberry
3691 - Viburnum rafinesquianum — Downy Arrowwood
3692 - Viburnum recognitum — Smooth Arrowwood, Northern Arrowwood
3693 - Viburnum rufidulum — Rusty Blackhaw, Blue Haw, Southern Black Haw, Rusty Haw
3694 - Viburnum sieboldii — Siebold's Viburnum
3695 - Vicia acutifolia — Sand Vetch, Fourleaf Vetch
3696 - Vicia americana ssp. americana — American Vetch, Purple Vetch, Tare
3697 - Vicia caroliniana — Carolina Vetch, Wood Vetch, Pale Vetch
3698 - Vicia cracca ssp. cracca — Cow Vetch, Tufted Vetch
3699 - Vicia grandiflora — Bigflower Vetch, Large Yellow Vetch
3700 - Vicia hirsuta — Tiny Vetch, Hairy Tare
3701 - Vicia lathyroides — Spring Vetch
3702 - Vicia sativa ssp. nigra — Narrowleaf Vetch, Garden Vetch
3703 - Vicia sativa ssp. sativa — Common Vetch
3704 - Vicia tetrasperma — Slender Vetch, Smooth Tare, Lentil Vetch, Four-seeded Vetch
3705 - Vicia villosa ssp. varia — Smooth Vetch, Winter Vetch
3706 - Vicia villosa ssp. villosa — Hairy Vetch, Fodder Vetch, Winter Vetch
3707 - Vinca major — Bigleaf Periwinkle, Greater Periwinkle
3708 - Vinca minor — Common Periwinkle
3709 - Viola ×esculenta [septemloba × triloba] — Salad Violet
3710 - Viola ×palmata [brittoniana or pedatifida × affinis or sororia] — Wood Violet, Early Blue Violet, Palmate-leaved Violet, Southern Three-lobed Violet
3711 - Viola ×primulifolia [lanceolata × macloskeyi] — Primrose-leaf Violet
3712 - Viola affinis — LeConte's Violet, Sand Violet, Thinleaf Violet, Missouri Violet
3713 - Viola appalachiensis — Appalachian Violet, Henry's Violet
3714 - Viola arvensis — European Field Pansy
3715 - Viola bicolor — Johnny Jump-up, American Field Pansy, Wild Pansy
3716 - Viola blanda var. blanda — Sweet White Violet
3717 - Viola blanda var. palustriformis — Disguised White Violet, Largeleaf White Violet
3718 - Viola brittoniana var. brittoniana — Northern Coastal Violet, Coast Violet, Britton's Violet
3719 - Viola canadensis var. canadensis — Canada Violet, Tall White Violet
3720 - Viola cucullata — Blue Marsh Violet, Bog Violet
3721 - Viola egglestonii — Cedar Glade Violet
3722 - Viola hastata — Halberd-leaf Violet, Halberd-leaf Yellow Violet, Spearleaf Violet, Silverleaf Violet
3723 - Viola hirsutula — Southern Woodland Violet, Silvery Purple-leaf Violet, Southern Wood Violet
3724 - Viola labradorica — American Dog Violet
3725 - Viola lanceolata ssp. lanceolata — Lanceleaf Violet, Narrow-leaved Violet, White Bog Violet
3726 - Viola lanceolata ssp. vittata — Strapleaf Violet, White Bog Violet, Southern Water Violet
3727 - Viola macloskeyi ssp. pallens — Wild White Violet, White Marsh Violet
3728 - Viola odorata — English Violet, Sweet Violet
3729 - Viola pedata — Birdsfoot Violet
3730 - Viola pedata — Sandhills Birdsfoot Violet
3731 - Viola pubescens var. pubescens — Downy Yellow Violet, Hairy Yellow Forest Violet
3732 - Viola pubescens var. scabriuscula — Smooth Yellow Forest Violet, Smooth Yellow Violet
3733 - Viola rostrata — Longspur Violet
3734 - Viola rotundifolia — Roundleaf Yellow Violet, Early Yellow Violet
3735 - Viola sagittata var. ovata — Ovate-leaf Violet, Downy Violet, Sand Violet
3736 - Viola sagittata var. sagittata — Arrowleaf Violet, Arrowhead Violet
3737 - Viola septemloba — Southern Coastal Violet, Cleft-leaved Violet
3738 - Viola septentrionalis — Northern Woodland Violet, Northern Blue Violet
3739 - Viola sororia — Dooryard Violet, Confederate Violet, Common Blue Violet
3740 - Viola striata — Pale Violet, Creamy Violet, Striped Cream Violet
3741 - Viola tricolor — Johnny Jump-up, Pansy
3742 - Viola triloba var. dilatata — Early Blue Violet, Wavyleaf Violet, Wood Violet
3743 - Viola triloba var. triloba — Northern Three-lobed Violet
3744 - Viola tripartita — Threepart Violet, Three-parted Yellow Violet
3745 - Viola tripartita — Threepart Violet, Three-parted Yellow Violet
3746 - Viola tripartita — Southern Wedgeleaf Violet
3747 - Viola villosa — Southern Woolly Violet, Carolina Violet
3748 - Viola walteri — Walter's Violet, Prostrate Blue Violet
3749 - Vitex agnus-castus + — Chaste-tree
3750 - Vitex rotundifolia — Beach Vitex, Roundleaf Chaste-tree
3751 - Vitis aestivalis var. aestivalis — Summer Grape
3752 - Vitis aestivalis var. bicolor — Silverleaf Grape
3753 - Vitis cinerea var. baileyana — Possum Grape
3754 - Vitis cinerea var. floridana — Florida Grape
3755 - Vitis labrusca — Fox Grape
3756 - Vitis riparia — Riverbank Grape
3757 - Vitis rotundifolia var. munsoniana — Munson Grape, Bullace Grape
3758 - Vitis rotundifolia var. rotundifolia — Muscadine, Scuppernong
3759 - Vitis vinifera — European Wine Grape
3760 - Vitis vulpina — Frost Grape, Winter Grape, Chicken Grape
3761 - Vulpia myuros — Rat-tail Fescue
3762 - Vulpia octoflora var. octoflora — Southern Six-weeks Fescue
3763 - Wahlenbergia marginata — Wahlenbergia, Asian Rockbell, Asiatic bellflower, Southern Rockbell
3764 - Waldsteinia fragarioides ssp. doniana — Southern Barren Stawberry
3765 - Waldsteinia fragarioides ssp. fragarioides — Northern Barren Strawberry
3766 - Waldsteinia lobata — Piedmont Barren Strawberry, Lobed Barren Strawberry
3767 - Waltheria indica — Sleepy Morning
3768 - Warea cuneifolia — Carolina Warea, Carolina Pineland-cress
3769 - Wisteria ×formosa [floribunda × sinensis] — Hybrid Asian Wisteria
3770 - Wisteria floribunda — Japanese Wisteria
3771 - Wisteria frutescens — American Wisteria, Swamp Wisteria, Atlantic Wisteria
3772 - Wisteria sinensis — Chinese Wisteria
3773 - Wolffia columbiana — Colombian Watermeal
3774 - Wolffiella gladiata — Bog-mat, Mud-midgets, Florida Mudmidget
3775 - Woodsia appalachiana — Appalachian Woodsia, Appalachian Cliff Fern, Mountain Woodsia
3776 - Woodsia ilvensis — Rusty Cliff Fern, Rusty Woodsia
3777 - Woodsia obtusa ssp. obtusa — Blunt-lobed Cliff Fern, Common Woodsia
3778 - Woodwardia areolata — Netted Chain-fern, Net-veined Chainfern
3779 - Woodwardia virginica — Virginia Chain-fern
3780 - Xanthium spinosum — Spiny Cocklebur
3781 - Xanthium strumarium var. canadense — Oriental Cocklebur
3782 - Xanthium strumarium var. glabratum — Common Cocklebur
3783 - Xanthium strumarium var. strumarium — Cocklebur
3784 - Xanthorhiza simplicissima — Yellowroot
3785 - Xanthosoma sagittifolium — Arrowleaf Elephant Ear, Malanga
3786 - Xerophyllum asphodeloides — Eastern Turkeybeard, Beargrass, Mountain-asphodel
3787 - Ximenia americana — Tallow Wood, Hog Plum
3788 - Xyris ambigua — Bog Yellow-eyed-grass, Coastal Plain Yellow-eyed-grass
3789 - Xyris baldwiniana — Baldwin's Yellow-eyed-grass, Grassleaf yellow-eyed-grass
3790 - Xyris brevifolia — Shortleaf yellow-eyed-grass
3791 - Xyris caroliniana — Pineland yellow-eyed-grass, Carolina yellow-eyed-grass
3792 - Xyris difformis var. curtissii — Curtiss's yellow-eyed-grass
3793 - Xyris difformis var. difformis — Flatstem Yellow-eyed-grass, Bog Yellow-eyed-grass
3794 - Xyris difformis var. floridana — Florida Yellow-eyed-grass
3795 - Xyris elliottii — Elliott's Yellow-eyed-grass
3796 - Xyris fimbriata — Giant Yellow-eyed-grass
3797 - Xyris jupicai — Richard's Yellow-eyed-grass
3798 - Xyris platylepis — Bulbous Yellow-eyed-grass, Tall Yellow-eyed-grass
3799 - Xyris scabrifolia — Roughleaf Yellow-eyed-grass, Scabrous-leaved Xyris, Harper's Yellow-eyed-grass
3800 - Xyris scabrifolia — Chapman's Yellow-eyed-grass
3801 - Xyris serotina — Acid Swamp Yellow-eyed-grass
3802 - Xyris stricta — Pineland Yellow-eyed-grass, Strict Yellow-eyed-grass
3803 - Xyris torta — Slender Yellow-eyed-grass, Mountain Yellow-eyed-grass
3804 - Youngia japonica — Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard
3805 - Yucca aloifolia — Spanish Dagger, Aloe Yucca
3806 - Yucca filamentosa — Beargrass, Spoonleaf Yucca, Curlyleaf Yucca, Adam's Needle
3807 - Yucca flaccida — Weakleaf Yucca, Adam's Needle
3808 - Yucca gloriosa — Mound-lily Yucca, Spanish Bayonet
3809 - Zamia pumila — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie
3810 - Zanthoxylum americanum — Prickly-ash, Toothache Tree, Northern Prickly-ash
3811 - Zanthoxylum clava-herculis — Toothache Tree, Hercules-club, Sea-ash, Southern Prickly-ash
3812 - Zanthoxylum fagara — Wild Lime, Lime Prickly-ash, Colima, Una de Gato
3813 - Zea mays ssp. mays — Corn, Maize
3814 - Zelkova serrata — Japanese Zelkova
3815 - Zenobia pulverulenta — Zenobia, Honeycups
3816 - Zephyranthes atamasca var. atamasca — Common Atamasco Lily, Rain-lily, Easter Lily, Naked Lily
3817 - Zephyranthes atamasca var. treatiae — Rain-lily, Treat's Zephyr-lily
3818 - Zephyranthes candida — Fall Rain-lily, Autumn Zephyrlily
3819 - Zephyranthes simpsonii — Florida Atamasco Lily, Red-margined Atamasco Lily, Rain-lily
3820 - Zigadenus densus — Crow-poison, Savanna Camass
3821 - Zigadenus elegans ssp. glaucus — White Death-camas, White Camass
3822 - Zigadenus glaberrimus — Large Death Camas, Snakeroot, Sandbog Death-camas, Bog Death Camas
3823 - Zigadenus leimanthoides — Pinebarrens Death-camas
3824 - Zizania aquatica var. aquatica — Southern Wild-rice, Indian Rice
3825 - Zizaniopsis miliacea — Southern Wild-rice, Water-millet, Giant Cutgrass
3826 - Zizia aptera — Heartleaf Golden Alexanders, Heartleaf Alexanders
3827 - Zizia aurea — Common Golden Alexanders
3828 - Zizia trifoliata — Mountain Golden-Alexanders
3829 - Ziziphus zizyphus — Chinese Jujube, Common Jujube, Chinese Date
3830 - Zornia bracteata — Zornia, Viperina