Listed below are 3645 taxa included on NameThatPlant.net as of 10/21/18, using nomenclature preferred by Weakley's Flora in the working draft noted in parentheses. A plus sign indicates that the Flora further divides that species into varieties or subspecies. Click the scientific name to link to information and (maybe) pictures!
Abdra aprica (11/30/12) — Flatrock Draba, Open-ground Whitlow-grass, Granite Whitlow-wort, Sun-loving Draba
Abdra brachycarpa (11/30/12) — Short-fruited Draba
Abelia Xgrandiflora (11/30/12) — Abelia
Abelmoschus esculentus (11/30/12) — Okra, Gumbo
Abies alba (11/30/12) — European Fir, Silver Fir
Abies balsamea (11/30/12) — Balsam Fir, Northern Balsam, Canada Balsam
Abies fraseri (11/30/12) — Fraser Fir, She Balsam, Southern Balsam
Abutilon theophrasti (11/30/12) — Velvetleaf, Indian Mallow, Butterprint
Acalypha gracilens (5/21/15) — Slender Three-seeded Mercury, Slender Copperleaf, Short-stalked Copperleaf
Acalypha ostryifolia (5/21/15) — Rough-pod Copperleaf, Hophornbeam Copperleaf
Acalypha rhomboidea (5/21/15) — Common Three-seeded Mercury, Rhombic Copperleaf
Acalypha setosa (5/21/15) — Cuban Copperleaf
Acalypha virginica (5/21/15) — Three-seeded Mercury, Virginia Copperleaf, Short-stalked Copperleaf
Acer floridanum (11/30/12) — Southern Sugar Maple, Florida Maple
Acer ginnala (11/30/12) — Amur Maple
Acer leucoderme (11/30/12) — Chalk Maple, Small Chalk Maple, White-bark Maple
Acer negundo var. negundo (11/30/12) — Eastern Box Elder, Ash-leaved Maple
Acer nigrum (11/30/12) — Black Maple
Acer palmatum (5/21/15) — Japanese Maple
Acer pensylvanicum (11/30/12) — Striped Maple, Moosewood
Acer platanoides (11/30/12) — Norway Maple
Acer pseudoplatanus (11/30/12) — Sycamore Maple, Planetree Maple
Acer rubrum var. rubrum (11/30/12) — Eastern Red Maple
Acer rubrum var. trilobum (11/30/12) — Carolina Red Maple, Trident Red Maple
Acer saccharinum (11/30/12) — Silver Maple, Soft Maple
Acer saccharum (11/30/12) — Sugar Maple, Hard Maple, Sugar Tree
Acer spicatum (11/30/12) — Mountain Maple
Achillea borealis (5/21/15) — American Yarrow, American Thousandleaf
Achillea millefolium (5/21/15) — Yarrow, Thousandleaf
Achyranthes japonica var. hachijoensis (11/30/12) — Japanese Chaff-flower
Acmella repens (5/21/15) — Spilanthes, Creeping Spotflower
Aconitum reclinatum (5/21/15) — Trailing Wolfsbane, White Monkshood, White Aconite
Aconitum uncinatum (5/21/15) — Appalachian Blue Monkshood, Eastern Blue Monkshood
Acorus americanus (11/30/12) — Sweetflag, American Calamus
Acorus calamus (11/30/12) — Sweetflag, European Calamus
Acroptilon repens (11/30/12) — Russian Knapweed
Actaea pachypoda (11/30/12) — Doll's-eyes, White Baneberry, White Cohosh
Actaea podocarpa (11/30/12) — Mountain Black Cohosh, American Cohosh, Late Black Cohosh
Actaea racemosa (11/30/12) — Common Black Cohosh, Early Black Cohosh, Black Snakeroot
Adiantum capillus-veneris (11/30/12) — Southern Maidenhair Fern, Venus-hair Fern
Adiantum pedatum (11/30/12) — Northern Maidenhair Fern
Adlumia fungosa (11/30/12) — Climbing Fumitory, Allegheny Vine, Cliff-Harlequin
Aegopodium podagraria (11/30/12) — Goutweed, Bishop's Weed
Aesculus flava (11/30/12) — Yellow Buckeye
Aesculus glabra var. glabra (11/30/12) — Ohio Buckeye, Fetid Buckeye
Aesculus hippocastanum (11/30/12) — Horsechestnut
Aesculus parviflora (11/30/12) — Bottlebrush Buckeye
Aesculus pavia var. pavia (11/30/12) — Red Buckeye
Aesculus sylvatica (11/30/12) — Painted Buckeye
Agalinis aphylla (11/30/12) — Scale-leaf Gerardia, Scale-leaf Agalinis
Agalinis fasciculata (11/30/12) — Gerardia, beach false foxglove
Agalinis linifolia (11/30/12) — Gerardia, flaxleaf false foxglove
Agalinis maritima + (5/21/15) — Seaside Gerardia
Agalinis obtusifolia (11/30/12) — Ten-lobe False Foxglove, Gerardia
Agalinis purpurea (11/30/12) — Purple Gerardia, purple false foxglove
Agalinis setacea (11/30/12) — Sandhills Gerardia, Threadleaf Gerardia, threadleaf false foxglove
Agalinis tenuifolia var. tenuifolia (11/30/12) — Slender Gerardia, Thin-leaved Agalinis, slenderleaf false foxglove
Agalinis virgata (11/30/12) — Gerardia, beach false foxglove
Agarista populifolia (5/21/15) — Tall Fetterbush, Florida Leucothoe, Agarista, Pipe-plant
Agastache nepetoides (11/30/12) — Yellow Giant-hyssop
Agastache scrophulariifolia (11/30/12) — Purple Giant-hyssop
Ageratina altissima var. altissima (11/30/12) — Common White Snakeroot, Common Milk-poison
Ageratina altissima var. roanensis (11/30/12) — Appalachian White Snakeroot, Appalachian Milk-poison
Ageratina aromatica (11/30/12) — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot
Ageratum houstonianum (11/30/12) — Ageratum
Agrimonia gryposepala (5/21/15) — Common Agrimony
Agrimonia incisa (5/21/15) — Pineland Agrimony
Agrimonia microcarpa (5/21/15) — Low Agrimony, Small-fruited Agrimony
Agrimonia parviflora (5/21/15) — Southern Agrimony, Small-flowered Agrimony, Harvestlice
Agrimonia pubescens (5/21/15) — Downy Agrimony
Agrimonia rostellata (5/21/15) — Woodland Agrimony
Agrimonia striata (5/21/15) — Roadside Agrimony
Agrostemma githago var. githago (11/30/12) — Corncockle, Purple Cockle, Corn-campion
Agrostis altissima (11/30/12) — Coastal Bog Bentgrass
Agrostis capillaris (11/30/12) — Rhode Island Bentgrass, Colonial Bentgrass, Browntop
Agrostis elliottiana (11/30/12) — Elliott's Bentgrass, Southern Bentgrass
Agrostis gigantea (11/30/12) — Black Bentgrass, Redtop
Agrostis perennans (11/30/12) — Autumn Bentgrass, Upland Bent
Agrostis stolonifera (11/30/12) — Creeping Bentgrass
Ailanthus altissima (11/30/12) — Ailanthus, Tree-of-heaven
Aira elegans (5/21/15) — Elegant Hairgrass
Ajuga reptans (11/30/12) — Carpet Bugle, Bugle-weed
Akebia quinata (11/30/12) — Five-leaf Akebia, Chocolate-vine
Albizia julibrissin (11/30/12) — Mimosa, Silktree
Alcea rosea (11/30/12) — Hollyhock
Aldrovanda vesiculosa (5/21/15) — Waterwheel-plant
Aletris aurea (11/30/12) — Golden Colic-root
Aletris farinosa (11/30/12) — Northern White Colic-root, White-star Grass, Stargrass, Mealy Colicroot
Aletris lutea (11/30/12) — Yellow Colic-root
Aletris obovata (11/30/12) — Southern White Colic-root
Alisma subcordatum (11/30/12) — Southern Water-plantain
Alliaria petiolata (11/30/12) — Garlic Mustard, Hedge Garlic
Allium ampeloprasum (5/21/15) — Wild Leek, Yorktown Onion
Allium canadense var. canadense (5/21/15) — Wild Onion
Allium canadense var. mobilense (5/21/15) — Wild Onion
Allium cernuum (5/21/15) — Nodding Onion, Nodding Wild Onion
Allium cuthbertii (5/21/15) — Cuthbert's Onion
Allium cuthbertii (5/21/15) — Keever‚Äôs Onion, Brushy Mountain Onion
Allium sativum (5/21/15) — Garlic
Allium speculae (5/21/15) — Flatrock Onion
Allium stellatum (5/21/15) — Glade Onion, Prairie Onion
Allium tricoccum (5/21/15) — Ramps, Red Ramps, Rampscallions, Wild Leek
Allium vineale (5/21/15) — Field Garlic, Wild Onion, Crow Garlic, Onion Grass
Alnus glutinosa (11/30/12) — Black Alder, European Alder
Alnus incana ssp. rugosa (11/30/12) — Speckled Alder
Alnus maritima ssp. georgiensis (11/30/12) — Georgia Alder
Alnus serrulata (11/30/12) — Tag Alder, Hazel Alder, Smooth Alder
Alnus viridis ssp. crispa (11/30/12) — Green Alder, Mountain Alder
Alopecurus carolinianus (11/30/12) — Carolina Foxtail Grass
Alternanthera philoxeroides (11/30/12) — Alligator-weed
Alternanthera sessilis (11/30/12) — Sessile Joyweed
Alysicarpus ovalifolius (11/30/12) — Alyce Clover
Amaranthus australis (11/30/12) — Southern Water-hemp, Careless
Amaranthus hybridus (11/30/12) — Smooth Pigweed, Smooth Amaranth, Green Amaranth, Hybrid Amaranth
Amaranthus polygonoides (11/30/12) — Tropical Amaranth, Smartweed Amaranth
Amaranthus pumilus (11/30/12) — Seabeach Amaranth, Dwarf Amaranth
Amaranthus spinosus (11/30/12) — Spiny Amaranth
Ambrosia artemisiifolia (11/30/12) — Annual Ragweed, Common Ragweed
Ambrosia species 1 (5/21/15) — Outcrop Ragweed, Glade Ragweed
Ambrosia trifida var. trifida (11/30/12) — Giant Ragweed, Great Ragweed
Amelanchier arborea (11/30/12) — Downy Serviceberry, Sarvisberry
Amelanchier canadensis (11/30/12) — Eastern Serviceberry, Canadian Serviceberry
Amelanchier laevis (11/30/12) — Allegheny Serviceberry, Smooth Serviceberry
Amelanchier obovalis (11/30/12) — Coastal Plain Serviceberry, Pocosin Shadbush
Amelanchier sanguinea (11/30/12) — Roundleaf Serviceberry, New England Serviceberry
Amelanchier spicata (5/21/15) — Running Serviceberry, Dwarf Serviceberry
Amianthium muscitoxicum (11/30/12) — Fly-poison
Ammannia coccinea (11/30/12) — Red Toothcup, valley redstem
Amorpha confusa (11/30/12) — Savanna Indigo-bush
Amorpha fruticosa (11/30/12) — False Indigo, Tall Indigo-bush
Amorpha georgiana (11/30/12) — Georgia Indigo-bush
Amorpha glabra (11/30/12) — Mountain Indigo-bush, Appalachian Indigo-bush, Mountain Indigo, Mountain False Indigo
Amorpha herbacea var. herbacea (11/30/12) — Leadplant, Dwarf Indigo-bush
Amorpha schwerinii (11/30/12) — Piedmont Indigo-bush
Ampelaster carolinianus (11/30/12) — Climbing Aster
Ampelopsis cordata (11/30/12) — American Ampelopsis, Raccoon-grape, False-grape
Ampelopsis glandulosa (5/21/15) — Porcelain-berry, Amur Peppervine
Amphicarpaea bracteata + (5/21/15) — American Hog-peanut
Amphicarpum amphicarpon (5/21/15) — Pinebarrens Peanut-grass, Pinebarrens Goober-grass, New Jersey Goober-grass
Amsonia ciliata (11/30/12) — Sandhills Bluestar, Fringed Bluestar
Amsonia illustris (5/21/15) — Swamp Bluestar, Ozark Bluestar
Amsonia ludoviciana (11/30/12) — Louisiana Bluestar
Amsonia rigida (11/30/12) — Stiff Bluestar, Pond Bluestar, Marsh Bluestar
Amsonia tabernaemontana var. tabernaemontana (11/30/12) — Wideleaf Bluestar, Blue Dogbane
Anaphalis margaritacea (11/30/12) — Pearly Everlasting
Anchistea virginica (5/21/15) — Virginia Chain Fern
Andromeda polifolia var. latifolia (5/15/11) — Bog-rosemary
Andropogon capillipes (11/30/12) — Dryland White Bluestem, Chalky Bluestem
Andropogon floridanus (11/30/12) — Florida Bluestem
Andropogon gerardii (11/30/12) — Big Bluestem, Turkeyfoot
Andropogon glaucopsis (11/30/12) — Big Chalky Bluestem, Coastal Bluestem
Andropogon glomeratus (11/30/12) — Common Bushy Bluestem, Bushy Beardgrass, Bog Broomsedge, Clustered Bluestem
Andropogon gyrans (11/30/12) — Elliott's Bluestem
Andropogon hirsutior (5/21/15) — Savanna Bushy Bluestem, Hairy Bluestem
Andropogon longiberbis (11/30/12) — Longbeard Bluestem
Andropogon mohrii (11/30/12) — Mohr's Bluestem, Tawny Bluestem, Bog Bluestem
Andropogon perangustatus (11/30/12) — Narrow-leaved Bluestem
Andropogon tenuispatheus (11/30/12) — Maritime Bushy Bluestem, Bushy Beardgrass
Andropogon ternarius var. ternarius (11/30/12) — Splitbeard Bluestem, Silvery Bluestem
Andropogon virginicus var. decipiens (11/30/12) — Deceptive Bluestem, Deceptive Broomsedge
Andropogon virginicus var. virginicus (11/30/12) — Broomsedge, Broomsedge Bluestem, Old-field Broomstraw, "Sedge Grass"
Anemone acutiloba (11/30/12) — Sharp-lobed Hepatica, Sharp-lobed Liverleaf
Anemone americana (11/30/12) — Round-lobed Hepatica, Round-lobed Liverleaf
Anemone berlandieri (11/30/12) — Eastern Prairie Anemone, Ten-petal Anemone, Southern Thimbleweed, Glade Windflower
Anemone canadensis (11/30/12) — Canada Anemone
Anemone caroliniana (11/30/12) — Carolina Anemone, Prairie Anemone
Anemone lancifolia (11/30/12) — Mountain Anemone, Lanceleaf Anemone
Anemone quinquefolia (11/30/12) — Wood Anemone
Anemone virginiana var. virginiana (11/30/12) — Thimbleweed, Tall Anemone
Angelica atropurpurea (5/21/15) — Purple Angelica
Angelica triquinata (5/21/15) — Mountain Angelica, Filmy Angelica, Appalachian Angelica
Angelica venenosa (5/21/15) — Hairy Angelica, Downy Angelica, Deadly Angelica
Antennaria howellii ssp. neodioica (11/30/12) — Pussytoes
Antennaria neglecta (11/30/12) — Field Pussytoes
Antennaria parlinii ssp. fallax (11/30/12) — Big-head Pussytoes
Antennaria parlinii ssp. parlinii (5/21/15) — Parlin's Pussytoes
Antennaria plantaginifolia (11/30/12) — Plantain Pussytoes, Plantain-leaved Pussytoes
Antennaria solitaria (11/30/12) — Solitary Pussytoes, Southern Single-head Pussytoes
Anthemis arvensis (11/30/12) — Corn Chamomile, Field Chamomile
Anthemis cotula (11/30/12) — Stinking Chamomile, Stinking Mayweed, Dog-fennel
Anthoxanthum odoratum (11/30/12) — Sweet Vernal Grass
Anthriscus caucalis (5/21/15) — Bur Chervil, Bur-parsley
Anthriscus cerefolium (5/21/15) — Garden Chervil
Anthriscus sylvestris ssp. sylvestris (5/21/15) — Cow Chervil, Wild Chervil, Cow-parsley
Anticlea glauca (5/21/15) — White Death-camas, White Camass
Antigonon leptopus (11/30/12) — Love-chain, Queen's-jewels, Confederate-vine, Corallita
Aphanes australis (5/21/15) — Parsley-piert, slender parsley piert
Aphyllon uniflorum (5/21/15) — One-flowered Cancer-root, One-flowered Broomrape
Apios americana (11/30/12) — Common Groundnut
Aplectrum hyemale (11/30/12) — Puttyroot, Adam-and-Eve
Apocynum androsaemifolium (11/30/12) — Spreading Dogbane
Apocynum cannabinum (11/30/12) — Indian-hemp, Hemp Dogbane, Marion's Weed
Apocynum Xfloribundum (11/30/12) — Dogbane
Aquilegia canadensis (11/30/12) — Eastern Columbine, Canada Columbine
Arabidopsis lyrata ssp. lyrata (5/21/15) — Lyreleaf Rockcress, Dwarf Rockcress
Arabidopsis thaliana (11/30/12) — Mouse-ear Cress
Arabis georgiana (11/30/12) — Georgia Rockcress
Arabis patens (11/30/12) — Spreading Rockcress
Arachis glabrata (11/30/12) — Grassnut
Arachis hypogaea (11/30/12) — Peanut
Aralia hispida (11/30/12) — Bristly Sarsaparilla
Aralia nudicaulis (11/30/12) — Wild Sarsaparilla
Aralia racemosa (11/30/12) — Spikenard
Aralia spinosa (11/30/12) — Devil's Walkingstick, Hercules-club, Prickly Aralia, Prickly-ash
Arctium lappa (5/21/15) — Great Burdock
Arctium minus (11/30/12) — Common Burdock
Arctostaphylos uva-ursi (11/30/12) — Bearberry, Kinnikinick
Ardisia crenata (11/30/12) — Coral Ardisia, Hen's Eyes, Coralberry, Marlberry
Arenaria lanuginosa var. lanuginosa (5/21/15) — Spreading Sandwort
Arenaria leptoclados (5/21/15) — Small Thyme-leaved Sandwort, Slender Sandwort
Arenaria serpyllifolia (5/21/15) — Large Thyme-leaved Sandwort
Arethusa bulbosa (11/30/12) — Bog-rose, Dragon's-mouth, Arethusa
Argemone albiflora var. albiflora (11/30/12) — White Prickly-poppy, Carolina Poppy
Argemone mexicana (11/30/12) — Mexican Prickly-poppy, Mexican Poppy
Arisaema acuminatum (5/21/15) — Florida Jack in the Pulpit
Arisaema dracontium (5/21/15) — Green Dragon
Arisaema pusillum (5/21/15) — Small Jack in the Pulpit
Arisaema quinatum (5/21/15) — Southern Jack in the Pulpit, Preacher John, Prester-John
Arisaema stewardsonii (5/21/15) — Bog Jack in the Pulpit, Northern Jack in the Pulpit
Arisaema triphyllum (5/21/15) — Common Jack in the Pulpit , Indian Turnip
Aristida beyrichiana (11/30/12) — Southern Wiregrass
Aristida condensata (11/30/12) — Big Three-awn
Aristida longespica (11/30/12) — Southeastern Slim-spike Three-awn
Aristida purpurascens (11/30/12) — Arrowfeather, Arrowfeather Three-awn
Aristida spiciformis (11/30/12) — Bottlebrush Three-awn, Spike Three-awn
Aristida stricta (11/30/12) — Carolina Wiregrass, Pineland Three-awn
Aristida tuberculosa (11/30/12) — Seabeach Needlegrass, Sandhills Three-Awn
Arnica acaulis (11/30/12) — Leopard's-bane, Southeastern Arnica
Arnoglossum atriplicifolium (11/30/12) — Pale Indian Plantain
Arnoglossum diversifolium (11/30/12) — Variable-leaf Indian Plantain
Arnoglossum ovatum var. lanceolatum (11/30/12) — Savanna Indian Plantain
Arnoglossum ovatum var. ovatum (11/30/12) — Broadleaf Indian Plantain, Ovateleaf Indian Plantain, Ovateleaf Cacalia
Arnoglossum reniforme (11/30/12) — Great Indian Plantain
Aronia arbutifolia (11/30/12) — Red Chokeberry
Aronia melanocarpa (11/30/12) — Black Chokeberry
Aronia prunifolia (11/30/12) — Purple Chokeberry
Artemisia ludoviciana (11/30/12) — White Sage, Prairie Sage
Artemisia stelleriana (5/21/15) — Beach Wormwood, Dusty Miller, Hoary Mugwort, Oldwoman
Artemisia vulgaris (11/30/12) — Mugwort, Felon Herb
Arthraxon hispidus var. hispidus (11/30/12) — Basket Grass, Small Carpgrass
Arum italicum ssp. italicum (5/21/15) — Italian Arum, Italian Lords and Ladies
Aruncus dioicus var. dioicus (11/30/12) — Eastern Goatsbeard, Bride's Feathers
Arundinaria appalachiana (5/21/15) — Hill Cane
Arundinaria gigantea (5/21/15) — River Cane, Giant Cane
Arundinaria tecta (5/21/15) — Switch Cane, Small Cane
Arundo donax (11/30/12) — Giant Reed
Asarum acuminatum (11/30/12) — Wild Ginger
Asarum canadense (11/30/12) — Common Wild Ginger
Asarum reflexum (5/21/15) — Wild Ginger
Asclepias amplexicaulis (11/30/12) — Clasping Milkweed, Blunt-leaved Milkweed, Wavyleaf Milkweed
Asclepias cinerea (11/30/12) — Carolina Milkweed, Walter's Milkweed
Asclepias connivens (11/30/12) — Largeflower Milkweed
Asclepias exaltata (11/30/12) — Poke Milkweed, Tall Milkweed
Asclepias hirtella (11/30/12) — Barrens Milkweed
Asclepias humistrata (11/30/12) — Fleshy Milkweed, Pinewoods Milkweed
Asclepias incarnata var. pulchra (11/30/12) — Eastern Swamp Milkweed
Asclepias lanceolata (11/30/12) — Few-flower Milkweed, Red Milkweed
Asclepias longifolia (11/30/12) — Longleaf Milkweed, Savanna Milkweed
Asclepias michauxii (11/30/12) — Michaux's Milkweed
Asclepias obovata (5/21/15) — Pineland Milkweed, Green Milkweed
Asclepias pedicellata (11/30/12) — Stalked Milkweed, Savanna Milkweed
Asclepias perennis (11/30/12) — Smoothseed Milkweed, Swampforest Milkweed, Swamp Milkweed
Asclepias purpurascens (11/30/12) — Purple Milkweed
Asclepias quadrifolia (11/30/12) — Four-leaved Milkweed
Asclepias rubra (11/30/12) — Purple Savanna Milkweed, Red Milkweed, Bog Milkweed
Asclepias syriaca (11/30/12) — Common Milkweed
Asclepias tuberosa var. tuberosa (11/30/12) — Butterfly Milkweed, Common Butterflyweed, Pleurisy Root, Wind Root
Asclepias variegata (11/30/12) — White Milkweed , Red-ring Milkweed
Asclepias verticillata (11/30/12) — Whorled Milkweed, Narrowleaf Milkweed
Asclepias viridiflora (11/30/12) — Green Milkweed
Asclepias viridis (11/30/12) — Green Antelope-horn, Spider Milkweed, Green Milkweed
Asemeia grandiflora (11/30/12) — Showy Milkwort
Asimina incana (11/30/12) — Flag Pawpaw, Polecat Bush, Woolly Pawpaw
Asimina parviflora (11/30/12) — Small-flowered Pawpaw, Small-fruited Pawpaw, Dwarf Pawpaw
Asimina reticulata (11/30/12) — Netleaf Pawpaw
Asimina triloba (11/30/12) — Common Pawpaw, Indian-banana
Asparagus aethiopicus (11/30/12) — Sprenger‚Äôs Asparagus-fern, Emerald-fern
Asparagus officinalis (11/30/12) — Garden Asparagus, Sparrowgrass
Asplenium heteroresiliens (11/30/12) — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort
Asplenium monanthes (11/30/12) — Single-sorus Spleenwort, One-sorus Spleenwort
Asplenium montanum (11/30/12) — Mountain Spleenwort
Asplenium pinnatifidum (11/30/12) — Lobed Spleenwort
Asplenium platyneuron (11/30/12) — Ebony Spleenwort
Asplenium resiliens (11/30/12) — Blackstem Spleenwort
Asplenium rhizophyllum (11/30/12) — Walking Fern
Asplenium trichomanes ssp. trichomanes (11/30/12) — Maidenhair Spleenwort
Aster tataricus (11/30/12) — Tartarian Aster
Astilbe biternata (11/30/12) — Appalachian False Goatsbeard
Astragalus canadensis var. canadensis (11/30/12) — Canada Milkvetch
Astragalus michauxii (11/30/12) — Sandhills Milkvetch, Michaux's Milkvetch
Astranthium integrifolium (11/30/12) — eastern western-daisy
Astrolepis sinuata ssp. sinuata (5/21/15) — Wavy Cloak Fern, Wavy Scaly Cloak Fern
Athyrium angustum (5/21/15) — Northern Lady Fern
Athyrium asplenioides (5/21/15) — Southern Lady Fern
Atriplex prostrata (5/21/15) — Thinleaf Orach, Fat-hen
Aucuba japonica (5/21/15) — Aucuba, Japanese-laurel, Spotted-laurel
Aureolaria flava (11/30/12) — Smooth False-foxglove, Eastern Smooth Oak-leach
Aureolaria laevigata (11/30/12) — Appalachian Oak-leach, Smooth False-foxglove
Aureolaria patula (11/30/12) — Cumberland Oak-leach, Spreading Yellow Foxglove
Aureolaria pectinata (11/30/12) — Southern Oak-leach, Sticky False-foxglove
Aureolaria pedicularia (11/30/12) — Fern-leaf False-foxglove, Annual Oak-leach
Aureolaria virginica (11/30/12) — Downy False-foxglove, Downy Oak-leach, Virginia Oak-leach
Avena sativa (11/30/12) — Domestic Oats
Avenella flexuosa (5/21/15) — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass
Axonopus fissifolius (11/30/12) — Common Carpetgrass
Axonopus furcatus (11/30/12) — Big Carpetgrass
Azolla caroliniana (5/21/15) — Eastern Mosquito Fern, Water Fern
Azolla filiculoides (5/21/15) — Large Mosquito Fern
Baccharis angustifolia (11/30/12) — False-willow, False Saltwater Willow
Baccharis glomeruliflora (11/30/12) — Groundsel Tree
Baccharis halimifolia (11/30/12) — Silverling, Groundsel Tree, Consumption Weed, Sea Myrtle
Bacopa caroliniana (11/30/12) — Blue Water-hyssop, Sweet Water-hyssop, Carolina Water-hyssop, Lemon Bacopa
Bacopa innominata (11/30/12) — Tropical Water-hyssop
Balduina angustifolia (5/21/15) — coastal plain honeycomb-head
Balduina atropurpurea (5/21/15) — Purple-disk Honeycomb-head, Bog Honeycomb-head, Purple Balduina, Purple Honeycomb-head
Balduina uniflora (5/21/15) — Savanna Honeycomb-head, Yellow Balduina
Bambusa vulgaris (11/30/12) — Common Bamboo
Baptisia alba (11/30/12) — Thick-pod White Wild Indigo
Baptisia albescens (11/30/12) — Narrow-pod White Wild Indigo, Spiked Wild Indigo
Baptisia arachnifera (11/30/12) — Hairy Rattleweed, Hairy Wild Indigo
Baptisia australis var. aberrans (11/30/12) — Eastern Prairie Blue Wild Indigo, Glade Wild Indigo
Baptisia australis var. australis (11/30/12) — Tall Blue Wild Indigo, Streamside Blue Indigo
Baptisia bracteata (11/30/12) — Creamy Wild Indigo
Baptisia cinerea (11/30/12) — Carolina Wild Indigo
Baptisia lanceolata var. lanceolata (11/30/12) — Gopherweed, Lanceleaf Wild Indigo
Baptisia leucantha (11/30/12) — white wild indigo
Baptisia leucophaea + (11/30/12) — longbract wild indigo
Baptisia megacarpa (11/30/12) — Apalachicola Wild Indigo, Bigpod Wild Indigo
Baptisia nuttalliana (11/30/12) — Nuttall's wild indigo
Baptisia perfoliata (11/30/12) — Gopherweed, Catbells
Baptisia tinctoria (11/30/12) — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
Barbarea verna (5/21/15) — Early Winter-cress, Creasy
Barbarea vulgaris (5/21/15) — Common Winter-cress, Yellow Rocket, Creasy
Bartonia verna (5/21/15) — Spring Bartonia, White Bartonia, White Screwstem
Bartonia virginica (5/21/15) — Virginia Bartonia, Yellow Screwstem, Yellow Bartonia, Common Bartonia
Batis maritima (5/21/15) — Saltwort, Beachwort, Batis, Turtleweed
Bejaria racemosa (11/30/12) — Tarflower, Flycatcher
Berberis bealei (5/21/15) — Leatherleaf Mahonia, Chinese Mahonia, Holly-grape
Berberis canadensis (11/30/12) — American Barberry, Allegheny Barberry
Berberis julianae (5/21/15) — Evergreen Barberry, Wintergreen Barberry
Berberis nervosa (5/21/15) — Cascade Oregon Grape, Cascades Mahonia
Berberis repens (5/21/15) — Creeping Oregon Grape
Berberis thunbergii (11/30/12) — Japanese Barberry
Berberis vulgaris (11/30/12) — European Barberry, Common Barberry
Berchemia scandens (5/21/15) — Supplejack, American Rattan, Rattan-vine
Berlandiera pumila var. pumila (5/21/15) — Eastern Green-eyes
Betula alleghaniensis (11/30/12) — Yellow Birch
Betula cordifolia (11/30/12) — Mountain Paper Birch
Betula lenta var. lenta (11/30/12) — Sweet Birch, Cherry Birch, Black Birch, "Mahogany"
Betula nigra (11/30/12) — River Birch, Red Birch
Betula papyrifera (11/30/12) — Canoe Birch, Paper Birch
Betula populifolia (11/30/12) — Gray Birch, White Birch
Bidens alba var. radiata (11/30/12) — Hairy Beggar-ticks, Shepherd's Needle
Bidens aristosa (11/30/12) — Ditch Daisy, Bur-marigold, Midwestern Tickseed-sunflower
Bidens bipinnata (11/30/12) — Spanish Needles
Bidens cernua (11/30/12) — Nodding Bur-marigold
Bidens frondosa (11/30/12) — Devil's Beggar-ticks, Annual Beggar's Ticks
Bidens laevis (11/30/12) — Showy Bur-marigold, Smooth Beggarticks
Bidens mitis (11/30/12) — Coastal Plain Tickseed-sunflower
Bidens pilosa (11/30/12) — Hairy Beggar-ticks
Bidens polylepis (11/30/12) — Ditch Daisy, Bur-marigold, Ozark Tickseed-sunflower
Bidens vulgata (11/30/12) — Tall Beggar-ticks
Bigelowia nuttallii (11/30/12) — Nuttall's Rayless Goldenrod
Bignonia capreolata (11/30/12) — Cross-vine
Blephilia ciliata (11/30/12) — Diabase Woodmint, Horsemint, Downy Woodmint
Blephilia hirsuta (5/21/15) — Hairy Woodmint
Boechera burkii (5/21/15) — Burk's Smooth Rockcress
Boechera canadensis (11/30/12) — Sicklepod, Canada Rockcress
Boechera laevigata (5/21/15) — Common Smooth Rockcress
Boechera missouriensis (11/30/12) — Missouri Rockcress
Boehmeria cylindrica (5/21/15) — False Nettle
Boehmeria nivea (5/21/15) — Ramie
Boerhavia diffusa (5/21/15) — Red Spiderling, Spreading Hogweed
Boerhavia erecta (5/21/15) — Erect Spiderling
Bolboschoenus robustus (5/21/15) — Saltmarsh Bulrush
Boltonia asteroides var. glastifolia (11/30/12) — Eastern Doll's Daisy, White Doll's Daisy, False Aster, Boltonia
Boltonia caroliniana (11/30/12) — Carolina Doll's Daisy, Boltonia
Boltonia diffusa var. diffusa (11/30/12) — Southern Doll's Daisy, Boltonia
Borrichia frutescens (5/21/15) — Seaside Oxeye
Botrychium matricariifolium (11/30/12) — Daisyleaf Moonwort
Botrychium simplex var. simplex (11/30/12) — Least Moonwort
Botrypus virginianus (11/30/12) — Rattlesnake Fern, Sang-find
Bouteloua curtipendula var. curtipendula (5/21/15) — Side-oats Grama
Bowlesia incana (5/21/15) — Hoary Bowlesia
Boykinia aconitifolia (5/21/15) — Brook-saxifrage, Eastern Boykinia, Allegheny Brookfoam, Aconite-saxifrage
Brachyelytrum aristosum (5/21/15) — Northern Shorthusk
Brachyelytrum erectum (5/21/15) — Common Shorthusk
Bradburia pilosa (5/21/15) — Soft Golden-aster, Hairy Golden-aster
Brasenia schreberi (11/30/12) — Water-shield, Purple Wen-dock
Brassica juncea (11/30/12) — Mustard Greens, Indian Mustard, Brown Mustard, Chinese Mustard
Brassica napus (11/30/12) — Rape, Canola, Rutabaga
Brassica nigra (11/30/12) — Black Mustard, Charlock
Brassica rapa var. rapa (11/30/12) — Turnip, Field Mustard, Field Rape, Chinese Cabbage
Brickellia cordifolia (5/21/15) — Heartleaf Brickellia, Flyr's False-boneset
Brickellia eupatorioides var. eupatorioides (5/21/15) — Eastern False-boneset, Eastern False-eupatorium
Bromus arvensis (11/30/12) — Field Brome
Bromus catharticus var. catharticus (11/30/12) — Rescue Grass
Bromus commutatus (5/21/15) — Hairy Chess, Meadow Brome
Bromus hordeaceus ssp. hordeaceus (5/21/15) — Soft Chess, Lopgrass
Bromus inermis (11/30/12) — Smooth Brome, Hungarian Brome
Bromus japonicus (11/30/12) — Japanese Chess
Bromus pubescens (11/30/12) — Common Eastern Brome, Canada Brome
Bromus racemosus (5/21/15) — Smooth Brome
Bromus secalinus (11/30/12) — Cheat, Common Chess, Ryebrome
Bromus sterilis (11/30/12) — Poverty Brome, Barren Brome, Cheatgrass
Bromus tectorum (11/30/12) — Downy Brome, Downy Chess, Downy Cheat, Cheatgrass
Broussonetia papyrifera (11/30/12) — Paper Mulberry
Brunnichia ovata (11/30/12) — Buckwheat-vine, Eardrop-vine, Ladies Eardrops, Redvine
Bryodesma rupestre (5/21/15) — Rock Spikemoss
Bryodesma tortipilum (5/21/15) — Twisted-hair Spikemoss
Buchnera americana (11/30/12) — American Bluehearts, Prairie Bluehearts, Plains Bluehearts
Buchnera floridana (11/30/12) — Savanna Bluehearts, Florida Bluehearts, Buchnera
Buckleya distichophylla (5/21/15) — Buckleya, Piratebush
Buddleja davidii (11/30/12) — Orange-eye Butterflybush, Summer-lilac
Buddleja lindleyana (11/30/12) — Lindley's Butterflybush
Buglossoides arvensis ssp. arvensis (11/30/12) — Corn Gromwell
Bulbostylis barbata (5/21/15) — Old World Hairsedge
Bulbostylis ciliatifolia (11/30/12) — Savannah Hairsedge
Bulbostylis coarctata (11/30/12) — Elliott's Hairsedge
Bulbostylis stenophylla (5/21/15) — sandy field hairsedge
Bulbostylis warei (11/30/12) — Ware's Hairsedge
Bupleurum rotundifolium (11/30/12) — Hound's-ear, Hare's-ear, Thoroughwax
Burmannia biflora (5/21/15) — Violet Burmannia, Blue Burmannia
Butia odorata (5/21/15) — Pindo Palm, South American Jelly Palm, Brazilian Butia
Buxus sempervirens (5/21/15) — Boxwood, Common Box
Cabomba caroliniana (11/30/12) — Fanwort, Carolina Fanwort
Cakile harperi (5/21/15) — Southeastern Sea Rocket
Calamagrostis coarctata (5/21/15) — Nuttall's Reedgrass
Calamagrostis epigejos (5/21/15) — Bushgrass, Feathertop
Calamagrostis porteri ssp. porteri (5/21/15) — Porter's Reedgrass
Callicarpa americana (5/21/15) — American Beautyberry, French Mulberry, Beautybush
Callicarpa dichotoma (5/21/15) — Chinese Beautyberry, Purple Beautyberry
Callicarpa japonica (5/21/15) — Japanese Beautyberry
Callirhoe pedata (11/30/12) — Palmleaf Poppy-mallow
Callitriche heterophylla var. heterophylla (11/30/12) — Waterstar, Common Water-starwort
Callitriche stagnalis (5/21/15) — Pond Water-starwort, European waterstarwort
Calopogon barbatus (11/30/12) — Bearded Grass-pink
Calopogon multiflorus (11/30/12) — Many-flowered Grass-pink
Calopogon oklahomensis (11/30/12) — Oklahoma Grass-pink
Calopogon pallidus (11/30/12) — Pale Grass-pink
Calopogon tuberosus var. tuberosus (11/30/12) — Common Grass-pink
Caltha palustris var. palustris (5/21/15) — Marsh Marigold, Cowslip
Calycanthus floridus (11/30/12) — Sweetshrub, Carolina Allspice, Strawberry-shrub, Sweet Bubby-bush
Calycocarpum lyonii (11/30/12) — Cupseed, Lyonia-vine
Calyptocarpus vialis (5/21/15) — Straggler-daisy, Lawnflower
Calystegia catesbeiana ssp. catesbeiana (5/21/15) — Catesby's Bindweed, Catesby's False Bindweed
Calystegia catesbeiana ssp. sericata (5/21/15) — Blue Ridge Bindweed, Silky Bindweed, Downy False Bindweed
Calystegia sepium + (11/30/12) — Hedge Bindweed
Calystegia silvatica ssp. fraterniflora (5/21/15) — Twin-flowered Bindweed, Short-stalk False Bindweed
Calystegia spithamaea ssp. spithamaea (11/30/12) — Low Bindweed, Upright Bindweed
Calystegia spithamaea ssp. stans (11/30/12) — Shale Bindweed
Camassia scilloides (11/30/12) — Wild Hyacinth, Eastern Camas Lily, Quamash Lily
Camellia japonica (5/21/15) — Camellia
Camellia sasanqua (5/21/15) — Sasanqua, Sasanqua Camellia
Camellia sinensis (5/21/15) — Tea
Campanula americana (11/30/12) — Tall Bellflower
Campanula aparinoides var. aparinoides (5/21/15) — Marsh Bellflower, Bedstraw Bellflower
Campanula aparinoides var. grandiflora (5/21/15) — marsh bellflower
Campanula divaricata (11/30/12) — Southern Harebell, Appalachian Bellflower
Campanula rapunculoides (5/21/15) — European Bellflower, Rampion Bellflower, Rover Bellflower
Campanula rotundifolia (11/30/12) — Scotch Harebell, Bluebell, Bluebell-of-Scotland
Campsis radicans (11/30/12) — Trumpet-creeper, Trumpet Vine, Cow-Itch Vine
Canna flaccida (5/21/15) — Golden Canna, Yellow Canna, Indian Shot
Cantinoa mutabilis (5/21/15) — Tropical Bushmint
Capnoides sempervirens (11/30/12) — Pale Corydalis, Rock Harlequin, Pink Corydalis, Tall Corydalis
Capsella bursa-pastoris (11/30/12) — Common Shepherd's Purse
Cardamine angustata (11/30/12) — Eastern Slender Toothwort
Cardamine bulbosa (11/30/12) — Bulbous Bittercress, Spring Cress
Cardamine clematitis (11/30/12) — Clematis-leaved Bittercress, Mountain Bittercress
Cardamine concatenata (11/30/12) — Cutleaf Toothwort
Cardamine diphylla (11/30/12) — Broadleaf Toothwort, Crinkleroot, Pepperroot
Cardamine dissecta (11/30/12) — Dissected Toothwort, Fineleaf Toothwort
Cardamine douglassii (11/30/12) — Limestone Bittercress, Douglass's Bittercress, Purple Cress, Pink Spring-cress
Cardamine flagellifera + (11/30/12) — Blue Ridge Bittercress
Cardamine flexuosa (11/30/12) — Woodland Bittercress
Cardamine hirsuta (11/30/12) — Hairy Bittercress
Cardamine impatiens (5/21/15) — Narrowleaf Bittercress
Cardamine micranthera (11/30/12) — Streambank Bittercress, Small-anthered Bittercress
Cardamine parviflora var. arenicola (11/30/12) — Sand Bittercress, Small-flowered Bittercress
Cardamine pensylvanica (11/30/12) — Pennsylvania Bittercress, Quaker Bittercress
Cardamine rotundifolia (11/30/12) — Mountain Watercress, American Bittercress
Cardiospermum halicacabum (11/30/12) — Balloon Vine, Love-in-a-puff, Heartseed
Carduus acanthoides ssp. acanthoides (11/30/12) — Plumeless Thistle
Carduus nutans (11/30/12) — Nodding Thistle, Musk Thistle
Carex abscondita (11/30/12) — thicket sedge
Carex albicans (5/21/15) — White-tinged Sedge
Carex albolutescens (5/21/15) — Greenish-white Sedge
Carex albursina (11/30/12) — White Bear Sedge
Carex annectens (11/30/12) — Yellowfruit Sedge
Carex appalachica (11/30/12) — Appalachian Sedge
Carex austrocaroliniana (11/30/12) — South Carolina Sedge
Carex baileyi (11/30/12) — Bailey's Sedge
Carex basiantha (5/21/15) — Southern Willdenow's Sedge
Carex biltmoreana (11/30/12) — Biltmore Sedge, Granite Dome Sedge
Carex blanda (11/30/12) — eastern woodland sedge
Carex bromoides ssp. bromoides (11/30/12) — Common Brome Sedge
Carex bromoides ssp. montana (11/30/12) — Blue Ridge Brome Sedge
Carex caroliniana (11/30/12) — Carolina Sedge
Carex cephalophora (11/30/12) — oval-leaf sedge
Carex cherokeensis (5/21/15) — Cherokee Sedge
Carex collinsii (11/30/12) — Collins' Sedge
Carex communis (5/21/15) — Fibrous-rooted Sedge
Carex corrugata (11/30/12) — prune-fruit sedge
Carex crawei (11/30/12) — Crawe's Sedge
Carex crinita var. crinita (11/30/12) — Fringed Sedge, Drooping Sedge
Carex debilis (11/30/12) — white edge sedge
Carex decomposita (11/30/12) — Cypress-knee Sedge, Epiphytic Sedge
Carex digitalis + (11/30/12) — slender woodland sedge
Carex flaccosperma (11/30/12) — thinfruit sedge
Carex folliculata (11/30/12) — northern long sedge
Carex frankii (11/30/12) — Frank's sedge
Carex fraseriana (11/30/12) — Fraser's Sedge, Lily-leaf Sedge
Carex glaucescens (11/30/12) — Blue Sedge, Southern Sedge
Carex gracilescens (11/30/12) — Slender Sedge
Carex gravida (5/21/15) — Heavy Sedge, Pregnant Sedge
Carex grayi (11/30/12) — Asa Gray's Sedge
Carex grisea (11/30/12) — inflated narrow-leaf sedge
Carex gynandra (11/30/12) — Mountain Fringed Sedge
Carex intumescens var. intumescens (11/30/12) — greater bladder sedge
Carex jamesii (5/21/15) — James's Sedge
Carex kobomugi (11/30/12) — Japanese Sand Sedge, Japanese Sedge, Sea Isle Sedge, Asiatic Sand Sedge
Carex laevivaginata (11/30/12) — smoothsheath sedge
Carex laxiculmis var. laxiculmis (11/30/12) — spreading sedge
Carex laxiflora (11/30/12) — broad looseflower sedge
Carex leptalea + (11/30/12) — bristlystalked sedge
Carex longii (5/21/15) — Long's Sedge
Carex lupuliformis (5/21/15) — False Hop Sedge
Carex lupulina (5/21/15) — Hop Sedge
Carex lurida (11/30/12) — shallow sedge
Carex misera (11/30/12) — Wretched Sedge
Carex mitchelliana (11/30/12) — Mitchell's Sedge
Carex nigromarginata (11/30/12) — Black-edged Sedge
Carex oxylepis (11/30/12) — sharpscale sedge
Carex pensylvanica (11/30/12) — Pennsylvania Sedge, High Meadow Sedge
Carex picta (11/30/12) — Painted Sedge
Carex pigra (11/30/12) — Lazy Sedge
Carex plantaginea (11/30/12) — Seersucker Sedge, Plantainleaf Sedge
Carex platyphylla (11/30/12) — Broadleaf Sedge
Carex prasina (11/30/12) — Necklace Sedge, Drooping Sedge
Carex radfordii (11/30/12) — Radford's Sedge
Carex rosea (11/30/12) — Rosy Sedge
Carex scabrata (11/30/12) — Rough Sedge
Carex striata var. striata (5/21/15) — Walter‚Äôs Sedge, Pocosin Sedge
Carex striatula (11/30/12) — lined sedge
Carex stricta (11/30/12) — Tussock Sedge
Carex styloflexa (11/30/12) — bent sedge
Carex superata (5/21/15) — Limestone Forest Sedge
Carex swanii (11/30/12) — Swan's sedge
Carex torta (11/30/12) — Twisted Sedge, Streambed Sedge
Carex tribuloides var. tribuloides (11/30/12) — blunt broom sedge
Carex typhina (11/30/12) — cattail sedge
Carex umbellata (11/30/12) — Parasol Sedge
Carex verrucosa (11/30/12) — warty sedge
Carex virescens (11/30/12) — ribbed sedge
Carex vulpinoidea (11/30/12) — fox sedge
Carex willdenowii (5/21/15) — Willdenow's Sedge
Carex woodii (11/30/12) — Wood's Sedge
Carphephorus bellidifolius (11/30/12) — Sandhill Chaffhead, Carphephorus
Carphephorus corymbosus (11/30/12) — Florida Paintbrush
Carphephorus tomentosus (11/30/12) — Sticky Chaffhead
Carpinus caroliniana + (11/30/12) — Musclewood, American Hornbeam, Blue-beech, Ironwood
Cartrema americanum (5/21/15) — Devilwood, Wild Olive
Carya aquatica (11/30/12) — Water Hickory, Bitter Pecan
Carya carolinae-septentrionalis (5/21/15) — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory
Carya cordiformis (11/30/12) — Bitternut Hickory
Carya floridana (5/21/15) — Scrub Hickory
Carya glabra (5/21/15) — Pignut Hickory
Carya illinoinensis (11/30/12) — Pecan
Carya laciniosa (11/30/12) — Big Shellbark Hickory, Kingnut Hickory
Carya myristiciformis (5/21/15) — Nutmeg Hickory
Carya ovalis (5/21/15) — Red Hickory, Sweet Pignut Hickory
Carya ovata (5/21/15) — Common Shagbark Hickory
Carya pallida (11/30/12) — Sand Hickory, Pale Hickory
Carya texana (5/21/15) — Black Hickory
Carya tomentosa (5/21/15) — Mockernut Hickory, White Hickory
Castanea dentata (11/30/12) — American Chestnut
Castanea mollissima (11/30/12) — Chinese Chestnut
Castanea pumila (11/30/12) — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea sativa (11/30/12) — Spanish Chestnut, European Chestnut
Castilleja coccinea (11/30/12) — Eastern Indian Paintbrush
Casuarina equisetifolia ssp. equisetifolia (11/30/12) — Australian-pine, Horsetail Casuarina, Beach She-oak, Coastal She-oak
Catalpa bignonioides (5/21/15) — Southern Catalpa, Fishbait Tree, Cigar Tree
Catalpa ovata (5/21/15) — Chinese Catalpa
Catalpa speciosa (5/21/15) — Northern Catalpa, Indian Cigar Tree, Catawba Tree
Catharanthus roseus (5/21/15) — Rosy-periwinkle, Madagascar Periwinkle, Cayenne Jasmine
Caulophyllum thalictroides (11/30/12) — Common Blue Cohosh, Papooseroot, Green Vivian
Causonis japonica (5/21/15) — Bushkiller, Sorrel Vine
Cayaponia quinqueloba (11/30/12) — Five-lobed Cucumber, Melon-leaf Cucumber
Ceanothus americanus + (11/30/12) — New Jersey Tea, Redroot
Ceanothus herbaceus (11/30/12) — Prairie Redroot
Cedrus deodara (11/30/12) — Deodar cedar
Celastrus orbiculatus (11/30/12) — Oriental Bittersweet
Celastrus scandens (11/30/12) — American Bittersweet
Celtis laevigata (5/21/15) — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry
Celtis occidentalis (5/21/15) — Northern Hackberry
Celtis sinensis (5/21/15) — Chinese Hackberry
Celtis smallii (5/21/15) — Small's Hackberry
Celtis tenuifolia (5/21/15) — Georgia Hackberry, Dwarf Hackberry
Cenchrus brownii (5/21/15) — slimbristle sandbur
Cenchrus ciliaris (5/21/15) — Buffelgrass
Cenchrus incertus (11/30/12) — Coastal Sandspur
Cenchrus longispinus (11/30/12) — Northern Sandspur, Common Sandspur
Cenchrus purpurascens (5/21/15) — Chinese Fountaingrass
Cenchrus setaceus (5/21/15) — Tender Fountaingrass
Cenchrus spicatus (5/21/15) — Pearl Millet
Cenchrus tribuloides (11/30/12) — Dune Sandbur, Dune Sandspur
Centaurea benedicta (11/30/12) — Blessed Thistle
Centaurea cyanus (11/30/12) — Bachelor's Buttons, Cornflower
Centaurea diffusa (11/30/12) — Tumble Knapweed
Centaurea jacea (11/30/12) — Brown Knapweed
Centaurea melitensis (5/21/15) — Maltese Star-thistle
Centaurea nigra (11/30/12) — Black Knapweed, Spanish-buttons
Centaurea nigrescens (11/30/12) — Tyrol Knapweed, Short-fringed Knapweed
Centaurea stoebe ssp. micranthos (11/30/12) — Spotted Knapweed, Bushy Knapweed
Centaurea Xmoncktonii (5/21/15) — Meadow Knapweed
Centella asiatica (11/30/12) — Centella, Coinleaf, False Pennywort
Centrosema virginianum (11/30/12) — Climbing Butterfly-pea, Spurred Butterfly-pea
Cephalanthus occidentalis (11/30/12) — Buttonbush
Cerastium brachypetalum (11/30/12) — Gray Mouse-ear, Gray Mouse-ear Chickweed
Cerastium fontanum ssp. vulgare (11/30/12) — Common Mouse-ear, Mouse-ear Chickweed
Cerastium glomeratum (11/30/12) — Sticky Mouse-ear, Sticky Chickweed, Sticky Mouse-ear Chickweed
Cerastium nutans (11/30/12) — Mouse-ear Chickweed
Cerastium semidecandrum (11/30/12) — Little Mouse-ear, Little Mouse-ear Chickweed
Ceratiola ericoides (11/30/12) — Florida Rosemary, Sandhill Rosemary, Sand Heath
Cercis canadensis var. canadensis (11/30/12) — Eastern Redbud, Judas Tree
Chaenomeles speciosa (11/30/12) — Common Flowering Quince
Chaerophyllum tainturieri (5/21/15) — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chamaecrista fasciculata var. fasciculata (11/30/12) — Common Partridge Pea, Showy Partridge Pea
Chamaecrista nictitans var. nictitans (11/30/12) — Common Sensitive-plant, Sensitive Partridge Pea
Chamaecyparis thyoides (11/30/12) — Atlantic White Cedar, Juniper
Chamaedaphne calyculata (11/30/12) — Leatherleaf, Cassandra
Chamaelirium luteum (5/21/15) — Fairywand, Devil's Bit
Chamerion platyphyllum (5/21/15) — Great Willow-herb, Fireweed
Chaptalia tomentosa (5/21/15) — Woolly Sunbonnets, Pineland Daisy, Night-nodding Bog-dandelion, Sunbonnets
Chasmanthium latifolium (11/30/12) — River Oats, Northern Sea Oats, Fish-on-a-Pole, Indian Woodoats
Chasmanthium laxum (11/30/12) — Slender Woodoats, Slender Spikegrass
Chasmanthium sessiliflorum var. sessiliflorum (11/30/12) — Longleaf Woodoats, Upland Oats, Longleaf Spikegrass
Chelidonium majus (11/30/12) — Greater Celandine, Rock-poppy, Swallow-wort
Chelone cuthbertii (11/30/12) — Cuthbert‚Äôs Turtlehead
Chelone glabra (11/30/12) — White Turtlehead
Chelone lyonii (11/30/12) — Mountain Turtlehead, Pink Turtlehead, Appalachian Turtlehead
Chelone obliqua + (11/30/12) — Purple Turtlehead
Chenopodium album (5/21/15) — Lambsquarters, Pigweed
Chimaphila maculata (11/30/12) — Pipsissewa, Striped Wintergreen, Spotted Wintergreen
Chimaphila umbellata var. cisatlantica (11/30/12) — Prince's-pine, Pipsissewa
Chimonanthus praecox