OF THE CAROLINAS & GEORGIA

Listed below are an additional 3856 names recognized by various authorities for some of the plants included on NameThatPlant.net, as of 7/21/24. A plus sign indicates that the source further divides that species into varieties or subspecies.

Click the scientific name to link to information and (maybe) pictures!

×Crataemespilus canescens — Stern's Medlar, Stearn's Medlar

Abies nordmanniana — Nordmann Fir, Caucasian Fir

Abutilon abutilon — Velvetleaf, Indian Mallow, Butterprint

Acacia farnesiana — Common Sweet Acacia, Huisache

Acacia minuta — Common Sweet Acacia, Huisache

Acalypha virginica var. gracilens — Slender Threeseed Mercury, Slender Copperleaf, Shortstalk Copperleaf

Acalypha virginica var. rhomboidea — Common Threeseed Mercury, Rhombic Copperleaf

Acalypha virginica var. virginica — Virginia Threeseed Mercury, Virginia Copperleaf, Shortstalk Copperleaf

Acanthoxanthium spinosum — Spiny Cocklebur

Acer barbatum — Southern Sugar Maple, Florida Maple

Acer drummondii — Drummond’s Maple, Swamp Red Maple, Drummond’s Red Maple

Acer negundo var. violaceum — Eastern Box Elder, Ash-leaved Maple, River Maple

Acer pseudo-platanus — Sycamore Maple, Planetree Maple

Acer saccharum var. floridanum — Southern Sugar Maple, Florida Maple

Acer saccharum var. leucoderme — Chalk Maple, Small Chalk Maple, White-bark Maple

Acer saccharum var. nigrum — Black Maple

Acer tataricum ssp. ginnala — Amur Maple

Acerates floridana — Longleaf Milkweed, Savanna Milkweed

Acerates hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed

Acerates viridiflora — Glade Milkweed, Green Milkweed

Acetosella acetosella — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel

Acetosella vulgaris ssp. pyrenaica — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel

Achillea borealis — Eastern Yarrow, Eastern Thousandleaf

Achillea lanulosa — Eastern Yarrow, Eastern Thousandleaf

Achyranthes japonica — Japanese Chaff-flower

Achyranthes philoxeroides — Alligator-weed

Acmispon americanus var. helleri — Carolina Prairie-trefoil

Acnida alabamensis — Southern Water-hemp, Southern Amaranth, Careless

Acnida cuspidata — Southern Water-hemp, Southern Amaranth, Careless

Aconitum uncinatum ssp. muticum — Appalachian Blue Monkshood, Eastern Blue Monkshood

Aconogonon polystachyum — Himalayan Knotweed, Kashmir Plume, cultivated knotweed

Actaea alba — Doll's-eyes, White Baneberry, White Cohosh

Actaea racemosa var. dissecta — Common Black Cohosh, Early Black Cohosh, Black Snakeroot, black bugbane

Actaea racemosa var. racemosa — Common Black Cohosh, Early Black Cohosh, Black Snakeroot, black bugbane

Actinidia chinensis — Green Kiwi-fruit, Chinese Gooseberry

Actinidia deliciosa — Green Kiwi-fruit, Chinese Gooseberry

Actinomeris alternifolia — Common Wingstem

Actinospermum angustifolium — Sandhill Honeycomb-head, Sandhill Balduina

Acuan illinoense — Illinois Bundleflower, Prairie Mimosa, Common Bundleflower

Adenoplea lindleyana — Lindley's Butterflybush

Adiantum aleuticum — Northern Maidenhair Fern

Adicea pumila — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed

Aegopodium podagraria var. variegatum — Goutweed, Bishop's Weed

Aesculus glabra — Ohio Buckeye, Fetid Buckeye, Chalky Buckeye

Afzelia cassioides — Senna Seymeria, Yaupon Black-senna

Afzelia pectinata ssp. pectinata — Comb Seymeria, Combleaf Black-senna, Yaupon Black-senna, Florida Black-senna

Agalinis acuta — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove

Agalinis purpurea var. purpurea — Purple Gerardia, Common Agalinis, Purple False Foxglove

Agalinis purpurea var. purpurea — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove

Agalinis tenuifolia var. leucanthera — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Agalinis tenuifolia var. macrophylla — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Agalinis tenuifolia var. polyphylla — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Ageratina aromatica var. aromatica — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot

Ageratina aromatica var. incisa — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot

Agrimonia bicknellii — Downy Agrimony

Agrimonia platycarpa — Low Agrimony, Small-fruited Agrimony

Agrostis alba — Black Bentgrass, Redtop Bentgrass, Redtop

Agrostis alba — Creeping Bentgrass

Agrostis hiemalis — Ticklegrass, Small Bentgrass, Hairgrass, Winter Bentgrass

Agrostis palustris — Creeping Bentgrass

Agrostis perennans var. elata — Coastal Bog Bentgrass

Agrostis perennans var. perennans — Autumn Bentgrass, Upland Bentgrass, Upland Bent

Agrostis semiverticillata — Water Bent-grass, beardless rabbitsfoot grass

Agrostis verticillata — Water Bent-grass, beardless rabbitsfoot grass

Agrostis viridis — Water Bent-grass, beardless rabbitsfoot grass

Aira caespitosa — Tufted Hairgrass

Aira caryophyllaea — Silver Hairgrass

Aira caryophyllea var. capillaris — Elegant Hairgrass, Annual Silver Hairgrass

Aira elegantissima — Elegant Hairgrass, Annual Silver Hairgrass

Aira flexuosa — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass

Albizzia julibrissin — Mimosa, Silktree, Albizia

Aleurites fordii — Tung-oil Tree

Alliaria officinalis — Garlic Mustard, Hedge Garlic

Allionia nyctaginea — Heart-leaved Umbrella-wort, Heartleaf Four-o’clock

Allium ampeloprasum var. ampeloprasum — Wild Leek, Yorktown Onion, Elephant Garlic

Allium ampeloprasum var. atroviolaceum — Wild Leek, Yorktown Onion, Elephant Garlic

Allium arenicola — Mobile Onion

Allium microscordion — Mobile Onion

Allium mutabile — Mobile Onion

Allium tricoccum var. burdickii — Narrowleaf Ramps, White Ramps

Allium tricoccum var. tricoccum — Red Ramps, Rampscallions, Wild Leek

Allium vineale ssp. compactum — Field Garlic, Wild Onion, Onion-grass, Crow Garlic

Alnus alnobetula — Green Alder, Mountain Alder

Alnus mitchelliana — Green Alder, Mountain Alder

Alnus viridis var. crispa — Green Alder, Mountain Alder

Alopecurus ramosus — Carolina Foxtail Grass

Alsine aquatica — Water-chickweed, Giant Chickweed, Water Mouse-ear

Alsine longifolia — Lesser Stitchwort, Grassleaf Starwort, Common Stitchwort

Alsine media — Common Chickweed

Alsine pubera — Star Chickweed, Giant Chickweed, Great Chickweed, Common Starwort

Alsine tennesseensis — Tennessee Starwort

Amaranthus gracilis — Slender Amaranth, Tropical Green Amaranth

Amarolea americana — Devilwood, Wild Olive

Ambrina ambrosioides — Mexican-tea, Epazote

Ambrina ambrosioides — Wormseed, Epazote

Ambrosia elatior — Annual Ragweed, Common Ragweed, Hogweed

Ambrosia glandulosa — Annual Ragweed, Common Ragweed, Hogweed

Ambrosia monophylla — Annual Ragweed, Common Ragweed, Hogweed

Amelanchier alabamensis — Downy Serviceberry, Sarvisberry

Amelanchier arborea var. alabamensis — Downy Serviceberry, Sarvisberry

Amelanchier arborea var. austromontana — Downy Serviceberry, Sarvisberry

Amelanchier canadensis var. canadensis — Eastern Serviceberry, Canadian Serviceberry

Amelanchier canadensis var. obovalis — Coastal Plain Serviceberry, Pocosin Shadbush, Coastal Serviceberry

Amelanchier oblongifolia — Eastern Serviceberry, Canadian Serviceberry

Amorpha curtissii — False Indigo, Tall Indigo-bush, False Indigo-bush

Amorpha cyanostachya — Savanna Indigo-bush

Amorpha tennesseensis — False Indigo, Tall Indigo-bush, False Indigo-bush

Amorpha virgata — False Indigo, Tall Indigo-bush, False Indigo-bush

Ampelamus albidus — Bluevine, Sandvine, Honeyvine

Ampelamus laevis — Bluevine, Sandvine, Honeyvine

Ampelopsis glandulosa var. brevipedunculata — Porcelain-berry, Amur Peppervine

Ampelopsis heterophylla — Porcelain-berry, Amur Peppervine

Ampelopsis heterophylla var. brevipedunculata — Porcelain-berry, Amur Peppervine

Ampelothamnus phillyreifolius — Vine-wicky, Climbing Fetterbush, Climbing Wicky

Amphicarpon amphicarpon — Pinebarrens Peanut-grass, Pinebarrens Goober-grass, New Jersey Goober-grass

Amphiglottis conopsea — Green-fly Orchid

Amphistelma scoparia — Leafless Swallowwort, Cynanchum

Amsonia amsonia — Eastern Bluestar, Blue Dogbane, Wideleaf Bluestar

Amsonia ciliata var. filifolia — Sandhill Bluestar, Fringed Bluestar

Amsonia ciliata var. tenuifolia — Sandhill Bluestar, Fringed Bluestar

Amsonia tabernaemontana var. gattingeri — Swamp Bluestar, Ozark Bluestar, Shining Bluestar

Amsonia tabernaemontana var. illustris — Swamp Bluestar, Ozark Bluestar, Shining Bluestar

Amsonia tabernaemontana var. salicifolia — Eastern Bluestar, Blue Dogbane, Wideleaf Bluestar

Amsonia tabernaemontana var. salicifolia — Swamp Bluestar, Ozark Bluestar, Shining Bluestar

Amygdalus persica — Peach

Anacampseros telephioides — Allegheny Live-forever, Cliff Orpine, Allegheny Stonecrop

Anacharis densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"

Anagallis arvensis var. arvensis — Scarlet Pimpernel, Poor Man's Weatherglass

Anantherix connivens — Largeflower Milkweed

Androcera rostrata — Buffalo-bur Nightshade, Kansas-thistle

Andromeda glaucophylla — Bog-rosemary

Andromeda populifolia — Tall Fetterbush, Florida Leucothoe, Florida Hobblebush, Agarista

Andropogon campyloracheus — Elliott's Bluestem

Andropogon decipiens — Deceptive Bluestem, Deceptive Broomsedge

Andropogon elliottii var. stenophyllus — Narrowleaf Bluestem

Andropogon gerardii ssp. gerardii — Big Bluestem, Turkeyfoot

Andropogon glomeratus var. glaucopsis — Chalky Bluestem, Purple Bluestem, Coastal Bluestem, Big Chalky Bluestem

Andropogon glomeratus var. pumilus "robust variant" — Maritime Bushy Bluestem, Bushy Beardgrass, Maritime Bluestem

Andropogon gyrans var. gyrans "common variant" — Elliott's Bluestem

Andropogon liebmannii var. pungensis — Mohr's Bluestem, Tawny Bluestem, Bog Bluestem

Andropogon littoralis — Seaside Little Bluestem

Andropogon provincialis — Big Bluestem, Turkeyfoot

Andropogon scoparius var. littoralis — Seaside Little Bluestem

Andropogon scoparius var. scoparius — Common Little Bluestem

Andropogon stolonifer — Creeping Bluestem, Creeping Little Bluestem

Andropogon virginicus var. dealbatus — Wetland White Bluestem

Andropogon virginicus var. glaucopsis — Chalky Bluestem, Purple Bluestem, Coastal Bluestem, Big Chalky Bluestem

Andropogon virginicus var. glaucopsis — Wetland White Bluestem

Andropogon virginicus var. glaucus — Dryland White Bluestem, Chalky Bluestem

Andropogon virginicus var. glaucus — Wetland White Bluestem

Andropogon virginicus var. glaucus "drylands variant" — Dryland White Bluestem, Chalky Bluestem

Andropogon virginicus var. glaucus "wetlands variant" — Wetland White Bluestem

Andropogon virginicus var. hirsutior — Savanna Bushy Bluestem, Hairy Bluestem

Andropogon virginicus var. virginicus "oldfield variant" — Broomsedge, Broomsedge Bluestem, Old-field Broomstraw, "Sedge Grass"

Anemone acutiloba — Sharp-lobed Hepatica, Sharp-lobed Liverleaf

Anemone americana — Round-lobed Hepatica, Round-lobed Liverleaf

Anemone quinquefolia var. bifolia — Wood Anemone

Anemone riparia — Thimbleweed, Tall Thimbleweed, Tall Anemone

Anemonella thalictroides — Windflower, Rue-anemone

Anemonidium canadense — Canada Anemone

Angelica curtisii — Mountain Angelica, Appalachian Angelica, Filmy Angelica

Angelica venenosa ssp. dentata — Sandhill Angelica

Angelica venenosa ssp. venenosa — Hairy Angelica, Downy Angelica, Deadly Angelica, Woodland Angelica

Angelica villosa — Hairy Angelica, Downy Angelica, Deadly Angelica, Woodland Angelica

Anisostichus crucigera — Crossvine

Antennaria calophylla — Big-head Pussytoes

Antennaria caroliniana — Plantainleaf Pussytoes, Plantain Pussytoes

Antennaria fallax — Big-head Pussytoes

Antennaria fallax var. calophylla — Big-head Pussytoes

Antennaria howellii — Pussytoes

Antennaria neglecta var. argillicola — Shale-barren Pussytoes

Antennaria neglecta var. attenuata — Pussytoes

Antennaria neglecta var. neglecta — Field Pussytoes

Antennaria neglecta var. neodioica — Pussytoes

Antennaria neodioica var. attenuata — Pussytoes

Antennaria neodioica var. neodioica — Pussytoes

Antennaria parlinii var. arnoglossa — Parlin's Pussytoes

Antennaria parlinii var. parlinii — Parlin's Pussytoes

Antennaria plantaginifolia var. parlinii — Parlin's Pussytoes

Antennaria virginica var. argillicola — Shale-barren Pussytoes

Antennaria virginica var. virginica — Shale-barren Pussytoes

Antenoron virginianum — Virginia Jumpseed

Anthemis arvensis var. agrestis — Corn Chamomile, Field Chamomile

Anthemis arvensis var. arvensis — Corn Chamomile, Field Chamomile

Anthopogon crinitum — Eastern Fringed Gentian, Greater Fringed Gentian

Anticlea chlorantha — White Death-camas, White Camass, Mountain Death-camas

Anticlea elegans — White Death-camas, White Camass, Mountain Death-camas

Anticlea elegans ssp. glauca — White Death-camas, White Camass, Mountain Death-camas

Anychia canadensis — Forked Chickweed, Canada Whitlow-wort, Smooth Forked Nailwort

Anychiastrum montanum — Mountain Nailwort, Shale-barren Whitlow-wort

Aquilegia australis — Eastern Columbine, Canada Columbine

Aquilegia coccinea — Eastern Columbine, Canada Columbine

Arabidopsis lyrata — Lyreleaf Rockcress, Dwarf Rockcress, Sandcress

Arabis burkii — Burk's Smooth Rockcress, Porter's Rockcress

Arabis burkii — Common Smooth Rockcress

Arabis laevigata — Common Smooth Rockcress

Arabis virginica — Sibara, Virginia-cress, Virginia Rockcress, Virginia Winged Rockcress

Arabis viridis var. viridis — Missouri Rockcress

Arachis glabrata var. glabrata — Grassnut

Arachis glabrata var. hagenbeckii — Grassnut

Arachis prostrata — Grassnut

Aranella fimbriata — Fringed Bladderwort

Archangelica dentata — Sandhill Angelica

Arenaria alabamensis — Piedmont Sandwort, One-flower Sandwort

Arenaria glabra — Appalachian Sandwort

Arenaria lanuginosa ssp. lanuginosa var. longepedunculata — Spreading Sandwort

Arenaria patula var. patula — Lime-barren Sandwort, Glade Sandwort

Arenaria serpyllifolia ssp. leptoclados — Lesser Thymeleaf Sandwort, Slender Sandwort

Arenaria serpyllifolia ssp. serpyllifolia — Large Thymeleaf Sandwort

Arenaria serpyllifolia var. serpyllifolia — Large Thymeleaf Sandwort

Arenaria serpyllifolia var. tenuior — Lesser Thymeleaf Sandwort, Slender Sandwort

Argemone alba — White Prickly-poppy, Carolina Poppy

Argentacer saccharinum — Silver Maple, Soft Maple

Arisaema atrorubens — Jack-in-the-Pulpit

Arisaema atrorubens — Common Jack-in-the-Pulpit, Indian Turnip

Arisaema triphyllum var. acuminatum — Florida Jack-in-the-pulpit

Arisaema triphyllum var. pusillum — Small Jack-in-the-pulpit, Swamp Jack

Arisaema triphyllum var. triphyllum — Common Jack-in-the-Pulpit, Indian Turnip

Arisaema triphyllum var. triphyllum — Bog Jack-in-the-pulpit, Northern Jack-in-the-pulpit

Arisaema triphyllum var. triphyllum — Jack-in-the-Pulpit

Aristida stricta var. beyrichiana — Southern Wiregrass

Aristida stricta var. stricta — Carolina Wiregrass, Pineland Three-awn

Aristolochia convolvulacea — Turpentine-root, Virginia Snakeroot, Serpent Birthwort

Aristolochia durior — Dutchman's Pipe, Pipevine

Aristolochia hastata — Turpentine-root, Virginia Snakeroot, Serpent Birthwort

Aristolochia littoralis — Elegant Dutchman's Pipe, Calico-flower

Arnoglossum muehlenbergii — Great Indian-plantain

Aronia ×floribunda — Purple Chokeberry

Aronia atropurpurea — Purple Chokeberry

Arsenococcus frondosus — Southern Maleberry, He-huckleberry

Arsenococcus ligustrinus — Northern Maleberry, He-huckleberry

Artemisia ludoviciana var. gnaphalodes — White Sage, Prairie Sage, White Sagewort, Western Mugwort

Artemisia ludoviciana var. ludoviciana — White Sage, Prairie Sage, White Sagewort, Western Mugwort

Artemisia stellerana — Beach Wormwood, Dusty Miller, Hoary Mugwort, Oldwoman

Aruncus allegheniensis — Eastern Goatsbeard, Bride's Feathers

Arundinaria gigantea ssp. gigantea — River Cane, Giant Cane

Arundinaria gigantea ssp. tecta — Switch Cane, Small Cane, Mutton Grass

Arundinaria gigantea ssp. tecta — Hill Cane

Arundo donax var. donax — Giant Reed

Arundo donax var. versicolor — Giant Reed

Asarum arifolium — Little Brown Jug, Arrowhead Heartleaf, Arrowleaf Heartleaf, Pigs

Asarum arifolium var. arifolium — Little Brown Jug, Arrowhead Heartleaf, Arrowleaf Heartleaf, Pigs

Asarum arifolium var. callifolium — Gulf Little Brown Jug

Asarum arifolium var. ruthii — Appalachian Little Brown Jug

Asarum callifolium — Gulf Little Brown Jug

Asarum canadense var. acuminatum — Acuminate Wild Ginger

Asarum canadense var. ambiguum — Common Wild Ginger, Canada Wild Ginger

Asarum canadense var. canadense — Common Wild Ginger, Canada Wild Ginger

Asarum canadense var. reflexum — Reflexed Wild Ginger

Asarum contractum — French Broad Heartleaf, Carolina Heartleaf

Asarum contractum — Mountain Heartleaf

Asarum harperi — Harper's Heartleaf

Asarum heterophyllum — Variable-leaf Heartleaf

Asarum lewisii — Lewis's Heartleaf

Asarum memmingeri — Virginia Heartleaf

Asarum minus — Little Heartleaf, Small Heartleaf Ginger

Asarum naniflorum — Dwarf-flower Heartleaf

Asarum rhombiformis — French Broad Heartleaf, Carolina Heartleaf

Asarum rubrocinctum — Acuminate Wild Ginger

Asarum ruthii — Appalachian Little Brown Jug

Asarum shuttleworthii var. harperi — Harper's Heartleaf

Asarum shuttleworthii var. shuttleworthii — Large-flower Heartleaf, Wild Ginger

Asarum sorriei — Sandhill Heartleaf, Streamhead Heartleaf

Asarum speciosum — Alabama Heartleaf, Alabama Ginger

Asarum virginicum — Virginia Heartleaf

Asclepias aceratoides — Sandhill Milkweed, Velvetleaf Milkweed

Asclepias decumbens — Butterfly Milkweed, Eastern Butterflyweed, Pleurisy Root, Wind Root

Asclepias lanceolata var. paupercula — Fewflower Milkweed, Red Milkweed

Asclepias laurifolia — Purple Savanna Milkweed, "Red Milkweed", Bog Milkweed

Asclepias longifolia ssp. hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed

Asclepias longifolia ssp. longifolia — Longleaf Milkweed, Savanna Milkweed

Asclepias longifolia var. hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed

Asclepias longifolia var. longifolia — Longleaf Milkweed, Savanna Milkweed

Asclepias pulchra — Eastern Swamp Milkweed

Asclepias rolfsii — Sandhill Butterflyweed, Sandhill Butterfly Milkweed, Rolfs' milkweed

Asclepias tuberosa — Butterfly Milkweed, Eastern Butterflyweed, Pleurisy Root, Wind Root

Asclepiodora viridis — Green Antelope-horn, Spider Milkweed, Green Milkweed

Ascyrum cuneifolium — St. Peter's-wort, St. Andrew's Cross, St. Peter's Cross

Ascyrum hypericoides — St. Andrew's Cross

Ascyrum hypericoides var. multicaule — Straggling St. Johnswort, Low St. Johnswort, Creeping St. Andrew's Cross

Ascyrum linifolium — St. Andrew's Cross

Ascyrum pumilum — Pineland St. Johnswort

Ascyrum stans — St. Peter's-wort, St. Andrew's Cross, St. Peter's Cross

Ascyrum tetrapetalum — Low St. Peter's-wort

Asemeia cumulicola — Showy Milkwort

Asemeia grandiflora var. angustifolia — Showy Milkwort

Asemeia grandiflora var. grandiflora — Showy Milkwort

Asemeia leiodes — Showy Milkwort

Asemeia miamiensis — Showy Milkwort

Asimina ×piedmontana [parviflora × triloba] — Hybrid Pawpaw

Asimina incarna — Flag Pawpaw, Polecat Bush, Woolly Pawpaw

Asimina longifolia var. longifolia — Slimleaf Pawpaw

Asimina longifolia var. spatulata — Slimleaf Pawpaw

Asimina speciosa — Flag Pawpaw, Polecat Bush, Woolly Pawpaw

Asparagus densiflorus — Sprenger’s Asparagus-fern, Emerald-fern

Asplenium ×pinnatifidum — Lobed Spleenwort

Asplenium heterochroum — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort

Asplenium pinnatifidum var. pinnatifidum — Lobed Spleenwort

Asplenium platyneuron var. bacculum-rubrum — Ebony Spleenwort

Asplenium platyneuron var. platyneuron — Ebony Spleenwort

Asplenium pycnocarpon — Glade Fern

Aspris capillaris — Elegant Hairgrass, Annual Silver Hairgrass

Aspris caryophyllea — Silver Hairgrass

Aster adnatus — Scale-leaf Aster

Aster asperifolius — Wavyleaf Aster

Aster avitus — Alexander's Rock Aster

Aster boykinii — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster brachypholis — Small White Aster

Aster camptosorus — Short's Aster, Midwestern Blue Heart-leaved Aster

Aster castaneus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster chlorolepis — Blue Ridge White Heart-leaved Aster, Mountain Wood-aster

Aster claviger — Wavyleaf Aster

Aster concinnus — Narrowleaf Smooth Blue Aster, Harmonious Aster

Aster conduplicatus — Purplestem Aster, Swamp Aster

Aster cordifolius var. sagittifolius — White Arrowleaf Aster, Arrowleaf Blue Wood Aster

Aster coridifolius — Bushy Aster, Long-stalked Aster, Rice Button Aster

Aster corrigiatus — Wavyleaf Aster

Aster depauperatus — Serpentine Aster

Aster divaricatus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster elodes — New York Aster

Aster eryngiifolius — Eryngo-leaved Aster, Thistleleaf Aster

Aster excavatus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster falcidens — Smooth Blue Aster

Aster firmus — Shining Aster, Glossyleaf Aster

Aster flexilis — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster georgianus — Georgia Aster

Aster glomeratus — Schreber's Aster

Aster gracilescens — Wavyleaf Aster

Aster laevis — Smooth Blue Aster

Aster laevis — Narrowleaf Smooth Blue Aster, Harmonious Aster

Aster lanceolatus ssp. lanceolatus var. latifolius — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster

Aster lanceolatus var. lanceolatus — Panicled Aster, White Panicle Aster, Tall White Aster

Aster lanceolatus var. latifolius — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster

Aster lanceolatus var. simplex — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster

Aster linguiformis — Wavyleaf Aster

Aster loriformis — Wavyleaf Aster

Aster lowrieanus — Smooth Heartleaf Aster, Lowrie's Blue Wood Aster, Lowrie's Aster

Aster lucidulus — Shining Aster, Glossyleaf Aster

Aster mirabilis — Piedmont Aster, Bouquet Aster

Aster mohrii — Wavyleaf Aster

Aster multiformis — Large-leaf Aster, Bigleaf Aster

Aster ontarionis — Bottomland Aster

Aster patens var. georgianus — Georgia Aster

Aster patens var. patens — Late Purple Aster, Common Clasping Aster, Late Blue Aster, Skydrop Aster

Aster patens var. phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster

Aster phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster

Aster pilosus var. pilosus — Frost Aster, White Heath Aster

Aster plumarius — Smooth Heartleaf Aster, Lowrie's Blue Wood Aster, Lowrie's Aster

Aster praealtus — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster

Aster praealtus var. angustior — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster

Aster praealtus var. praealtus — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster

Aster proteus — Wavyleaf Aster

Aster ptarmicoides — Prairie Goldenrod, White Prairie-goldenrod, Upland White Aster

Aster puniceus var. elliottii — Elliott's Aster, Southern Swamp Aster

Aster puniceus var. firmus — Shining Aster, Glossyleaf Aster

Aster puniceus var. puniceus — Purplestem Aster, Swamp Aster

Aster racemosus — Small White Aster

Aster racemosus — Small White Oldfield Aster

Aster radula — Rough-leaved Aster, Low Rough Aster

Aster retroflexus — Curtis's Aster, Rigid Whitetop Aster

Aster riciniatus — Large-leaf Aster, Bigleaf Aster

Aster sagittifolius var. sagittifolius — White Arrowleaf Aster, Arrowleaf Blue Wood Aster

Aster schreberi — Schreber's Aster

Aster sericeus — Western Silvery Aster

Aster sericocarpoides — Pocosin Flat-top Aster, Southern Whitetop, Streamhead Flat-top Aster, Southern Flat-top Aster

Aster shortii — Short's Aster, Midwestern Blue Heart-leaved Aster

Aster shortii var. camptosorus — Short's Aster, Midwestern Blue Heart-leaved Aster

Aster simmondsii — Simmonds’s Aster

Aster smallii — Low Showy Aster, Eastern Showy Aster

Aster stillettiformis — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster subulatus var. ligulatus — Midwestern Saltmarsh Aster, Annual Water Aster, Yard Aster

Aster subulatus var. subulatus — Eastern Saltmarsh Aster, Annual Saltmarsh Aster

Aster sylvestris — Wavyleaf Aster

Aster tenebrosus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster

Aster triangularis — Wavyleaf Aster

Aster truellius — Wavyleaf Aster

Aster vimineus var. subdumosus — Small White Oldfield Aster

Aster vimineus var. vimineus — Small White Aster

Aster walteri — Walter's Aster

Astragalus carolinianus — Canada Milkvetch

Astranthium integrifolium var. integrifolium — Eastern Western-daisy, Entireleaf Western-daisy

Atamosco atamasco — Common Atamasco-lily, Rain-lily, Easter Lily, Naked Lily

Atamosco candida — Fall Rain-lily, Autumn Zephyrlily

Atamosco simpsonii — Florida Atamasco-lily, Red-margined Atamasco-lily, Rain-lily

Atamosco treatiae — Rain-lily, Treat's Zephyr-lily

Athyrium filix-femina var. angustum — Northern Lady Fern

Athyrium filix-femina var. asplenioides — Southern Lady Fern

Athyrium filix-femina var. michauxii — Northern Lady Fern

Athyrium niponicum — Japanese Painted Fern

Atragene americana — Mountain Clematis, Purple Clematis

Atriplex hastata — Thinleaf Orach, Fat-hen, Triangle Orach

Atriplex mucronata — Seabeach Orach

Atriplex patula var. hastata — Thinleaf Orach, Fat-hen, Triangle Orach

Atriplex patula var. patula — Spear Orach

Aureolaria flava ssp. flava — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove

Aureolaria flava ssp. reticulata — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove

Aureolaria flava var. macrantha — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove

Aureolaria microcarpa — Downy False Foxglove, Downy Oak-leach, Virginia Oak-leach, Downy Yellow False Foxglove

Aureolaria pectinata + — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove

Aureolaria pedicularia var. pectinata — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove

Azalea alabamensis — Alabama Azalea

Azalea arborescens — Sweet Azalea, Smooth Azalea

Azalea atlantica — Dwarf Azalea, Coastal Azalea

Azalea austrina — Florida Flame Azalea, Yellow Azalea

Azalea calendulacea — Flame Azalea

Azalea candida — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea

Azalea canescens — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea

Azalea nudiflora — Pinxterflower, Pinxterbloom Azalea, Election Pink, Pinxter Azalea

Azalea oblongifolia — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Azalea pilosa — Minniebush

Azalea prinophylla — Election Pink, Roseshell Azalea, Early Azalea

Azalea prunifolia — Plumleaf Azalea

Azalea serrulata — Swamp Azalea, Clammy Azalea, Sweet Azalea

Azalea speciosa — Oconee Azalea

Azalea viscosa — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Azalea viscosa — Clammy Azalea

Azolla cristata — Carolina Mosquito-fern, Eastern Mosquito-fern, Water Fern

Azolla microphylla — Carolina Mosquito-fern, Eastern Mosquito-fern, Water Fern

Bacopa acuminata — Mecardonia, Common Axilflower

Bacopa stragula — Tropical Water-hyssop

Balsamita major — Mint-geranium, Costmary, Sweetmary

Baptisia albescens × B. tinctoria — a hybrid Wild Indigo

Baptisia gibbesii — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed

Baptisia lactea var. lactea — white wild indigo

Baptisia leucantha — white wild indigo

Baptisia leucophaea var. glabrescens — longbract wild indigo

Baptisia minor var. aberrans — Eastern Prairie Blue Wild Indigo, Glade Wild Indigo, Glade Blue Wild Indigo, Glade Blue Baptisia

Baptisia pendula var. macrophylla — white wild indigo

Baptisia pendula var. obovata — Thick-pod White Wild Indigo

Baptisia tinctoria var. crebra — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed

Baptisia tinctoria var. projecta — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed

Baptisia tinctoria var. tinctoria — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed

Baptisia villosa — Carolina Wild Indigo, Gray-hairy Wild Indigo

Barbarea vulgaris var. vulgaris — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy

Bartonia paniculata var. paniculata — Screwstem Bartonia

Batodendron arboreum — Sparkleberry, Farkleberry

Batschia canescens — Hoary Puccoon, Indian-paint

Batschia caroliniensis — Coastal Plain Puccoon, Hairy Puccoon, Sandhill Puccoon

Befaria racemosa — Tarflower, Flycatcher

Benzoin aestivale — Northern Spicebush, Wild Allspice

Benzoin melissaefolium — Southern Spicebush, Pondberry

Berberis bealei — Leatherleaf Mahonia, Chinese Mahonia, Holly-grape

Berberis julianiae — Evergreen Barberry, Wintergreen Barberry

Berberis nervosa — Cascade Oregon-grape, Cascades Mahonia

Berberis repens — Creeping Oregon-grape

Betula alleghaniensis var. macrolepis — Yellow Birch

Bicuculla canadensis — Squirrel Corn

Bicuculla cucullaria — Dutchman's Britches

Bicuculla eximia — Wild Bleeding Heart

Bidens aristosa var. aristosa — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

Bidens aristosa var. mutica — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower

Bidens mitis var. leptophylla — Coastal Plain Tickseed-sunflower, Smallfruit Beggarticks

Bidens mitis var. mitis — Coastal Plain Tickseed-sunflower, Smallfruit Beggarticks

Bidens nashii — Showy Bur-marigold, Smooth Beggarticks

Bidens tripartita ssp. comosa — Strawstem Beggarticks

Bigelowia nudata var. nudata — Pineland Rayless-goldenrod

Bigelowia virgata — Nuttall's Rayless-goldenrod, Glade Rayless-goldenrod, West Gulf Coastal Plain Rayless-goldenrod

Bignonia radicans — Trumpetcreeper, Trumpet Vine, Cow-Itch Vine

Bignonia unguis-cati — Claw-vine, Cat's-claw-vine

Bilderdykia cilinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed

Bilderdykia convolvulus — Climbing Buckwheat, Nimblewill, Black Bindweed

Bilderdykia cristata — Common Climbing Buckwheat

Bilderdykia scandens — Common Climbing Buckwheat

Biltia vaseyi — Pinkshell Azalea

Biota orientalis — Oriental Arborvitae, Tree-of-life

Biovularia olivacea — Dwarf Bladderwort, Minute Bladderwort

Biventraria variegata — White Milkweed, Redring Milkweed, Variegated Milkweed

Bivonea stimulosa — Spurge-nettle, Tread-softly, Bull-nettle, Finger-rot

Bladhia crenata — Coral Ardisia, Hen's Eyes, Coralberry, Marlberry

Bladhia japonica — Japanese Ardisia, Marlberry

Bladhia solanacea — China-shrub

Blephariglottis blephariglottis — Small White Fringed Orchid

Blephariglottis ciliaris — Yellow Fringed Orchid

Blephariglottis conspicua — Large White Fringed Orchid, Southern White Fringed Orchid

Blephariglottis cristata — Crested Fringed Orchid, Golden Fringed Orchid

Blephariglottis grandiflora — Large Purple Fringed Orchid, Plume-royal, Greater Purple Fringed Orchid

Blephariglottis lacera — Ragged Fringed Orchid, Green Fringed Orchid, Ragged Orchid

Blephariglottis peramoena — Purple Fringeless Orchid, Purple Spire Orchid, Pride-of-the-peak

Blephariglottis psycodes — Small Purple Fringed Orchid, Butterfly Orchid, Lesser Purple Fringed Orchid

Boechera burkii — Burk's Smooth Rockcress, Porter's Rockcress

Boechera canadensis — Canada Rockcress, Sicklepod

Boechera georgiana — Georgia Rockcress

Boechera laevigata — Burk's Smooth Rockcress, Porter's Rockcress

Boechera laevigata — Common Smooth Rockcress

Boechera missouriensis — Missouri Rockcress

Boechera patens — Spreading Rockcress

Boehmeria decurrens — False Nettle, Swamp-nettle

Boehmeria drummondiana — False Nettle, Swamp-nettle

Boerhaavia erecta — Erect Spiderling, Smooth Hogweed

Boltonia diffusa — Southern Doll's-daisy, Boltonia, Smallhead Doll's-daisy

Boltonia diffusa var. caroliniana — Carolina Doll's-daisy, Boltonia

Bonamia angustifolia — Narrowleaf Dawnflower

Borreria laevis — Woodland Buttonweed

Botrychium matricariaefolium — Daisyleaf Moonwort

Botrychium obliquum — Cutleaf Grapefern, Dissected Grapefern

Bowlesia septentrionalis — Hoary Bowlesia

Brachiaria ramosa — Browntop Millet, Dixie Signalgrass

Brachychaeta sphacelata — Heartleaf Goldenrod, False Goldenrod, Limestone Goldenrod, Autumn Goldenrod

Brachyelytrum erectum var. erectum — Bearded Shorthusk, Common Shorthusk

Brachyelytrum erectum var. septentrionale — Northern Shorthusk

Brachyelytrum septentrionale — Northern Shorthusk

Bradburya virginiana — Climbing Butterfly-pea, Spurred Butterfly-pea

Brassica campestris — Turnip, Field Mustard, Field Rape, Chinese Cabbage

Brassica japonica — Mustard Greens, Indian Mustard, Brown Mustard, Chinese Mustard

Brassica rapa var. chinensis — Turnip, Field Mustard, Field Rape, Chinese Cabbage

Breweria humistrata — Southern Dawnflower

Breweria michauxii — Water Dawnflower

Breweria pickeringii — Pickering's Dawnflower

Bromus hordeaceus — Soft Chess, Lopgrass, Soft Brome

Bromus japonicus var. japonicus — Japanese Chess, Japanese Brome

Bromus japonicus var. porrectus — Japanese Chess, Japanese Brome

Bromus laeviglumis — Hairy Woodland Brome, Common Eastern Brome, Canada Brome

Bromus purgans var. laeviglumis — Hairy Woodland Brome, Common Eastern Brome, Canada Brome

Bromus purgans var. purgans — Hairy Woodland Brome, Common Eastern Brome, Canada Brome

Bromus unioloides — Rescue Grass

Bruneria columbiana — Colombian Watermeal

Buchnera breviflora — Savanna Bluehearts, Florida Bluehearts, Buchnera

Buchnera elongata — Savanna Bluehearts, Florida Bluehearts, Buchnera

Buchnera longifolia — Savanna Bluehearts, Florida Bluehearts, Buchnera

Bumelia anomala — Alachua Bully, Silver Bully, Silver Buckthorn

Bumelia lanuginosa — Eastern Gum Bumelia, Eastern Gum Bully

Bumelia lanuginosa var. anomala — Alachua Bully, Silver Bully, Silver Buckthorn

Bumelia lycioides var. lycioides — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn

Bumelia lycioides var. virginiana — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn

Bumelia macrocarpa — Big-fruited Buckthorn, Ohoopee Bumelia, Ohoopee Bully

Bumelia microcarpa — Smooth Bumelia, Florida Bully

Bumelia reclinata — Smooth Bumelia, Florida Bully

Bumelia reclinata var. reclinata — Big-fruited Buckthorn, Ohoopee Bumelia, Ohoopee Bully

Bumelia smallii — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn

Bumelia thornei — Georgia Bully, Thorne's Bumelia, Swamp Bumelia

Bursa bursa-pastoris — Common Shepherd's Purse

Buxella brachycera — Box Huckleberry

Cabomba caroliniana var. caroliniana — Fanwort, Carolina Fanwort

Cabomba caroliniana var. pulcherrima — Fanwort, Carolina Fanwort

Cacalia diversifolia — Variable-leaf Indian-plantain

Cacalia ovata — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia

Cacalia rugelia — Rugel's Ragwort, Rugelia, Rugel's Indian-plantain

Caladium giganteum — Giant Elephant's-ear, Indian Taro

Calamagrostis epigeios var. epigeios — Bushgrass, Feathertop

Calamagrostis epigeios var. georgica — Bushgrass, Feathertop

Calamintha ashei — Ashe's Savory, Ashe's Calamint, Ohoopee Dunes Wild Basil

Calamintha coccinea — Scarlet Wild Basil, Scarlet Calamint, Red Mint Shrub, Red Basil

Calamintha georgiana — Georgia Savory, Georgia Basil, Georgia Calamint, False Peppermint

Calamintha nepeta ssp. glandulosa — Lesser Calamint, Basil-thyme

Calamintha officinalis — Lesser Calamint, Basil-thyme

Callirhoe digitata var. stipulata — Palmleaf Poppy-mallow

Callitropsis ×leylandii — Leyland Cypress

Calycanthus brockiana — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calycanthus brockianus — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calycanthus fertilis — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calycanthus floridus var. floridus — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calycanthus mohrii — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calycanthus nanus — Sweetshrub, Carolina Allspice, Strawberry-shrub

Calystegia catesbeiana ssp. catesbeiana — Catesby's Bindweed, Catesby's False Bindweed

Calystegia catesbeiana ssp. sericata — Blue Ridge Bindweed, Silky Bindweed, Downy False Bindweed

Calystegia silvatica ssp. fraterniflorus — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed

Calystegia silvatica var. fraterniflora — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed

Calystegia spithamaea ssp. stans — Shale Bindweed

Campanula aparinoides var. aparinoides — Marsh-bellflower, Bedstraw Bellflower

Campanula aparinoides var. grandiflora — Largeflower Marsh-bellflower

Campanula flexuosa — Southern Harebell, Appalachian Bellflower

Campanula uliginosa — Largeflower Marsh-bellflower

Campe barbarea — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy

Campe stricta — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy

Campe verna — Early Winter-cress, Creasy

Camphora camphora — Camphortree

Camptosorus rhizophyllus — Walking Fern

Campulosus aromaticus — Toothache Grass, Orangegrass, Wild Ginger

Campulosus floridanus — Florida Toothache Grass, Florida orangegrass

Cannabis sativa ssp. indica — Marijuana, Hemp

Cannabis sativa ssp. sativa var. spontanea — Marijuana, Hemp

Cannabis sativa var. sativa — Marijuana, Hemp

Cannabis sativa var. spontanea — Marijuana, Hemp

Capnoides flavulum — Yellow Fumitory, Yellow Harlequin, Short-spurred Corydalis, Yellow Fumewort

Capnoides halei — Southern Corydalis

Capnoides micranthum — Slender Corydalis

Capriola dactylon — Bermuda Grass, Scutch Grass

Capsella rubella — Common Shepherd's Purse

Carara didyma — Wart-cress, Lesser Swine-cress

Cardamine arenicola — Sand Bittercress, Small-flowered Bittercress

Cardamine flagellifera — Blue Ridge Bittercress

Cardamine parviflora — Sand Bittercress, Small-flowered Bittercress

Cardamine rhomboidea — Bulbous Bittercress, Spring Cress

Carduus nutans ssp. macrolepis — Nodding Thistle, Musk Thistle

Carex abdita — Parasol Sedge

Carex albicans — White-tinged Sedge, Architectural Sedge

Carex amphibola var. amphibola — Eastern Narrowleaf Sedge

Carex amplisquama — Fibrous-rooted Sedge

Carex asa-grayi — Gray's Sedge

Carex atlantica var. atlantica — Prickly Bog Sedge

Carex bromoides var. bromoides — Common Brome Sedge, Brome-like Sedge

Carex bullata var. greenii — Greene's Sedge

Carex collinsiae — Collins' Sedge

Carex communis var. amplisquama — Fibrous-rooted Sedge

Carex complanata var. complanata — Hirsute Sedge

Carex convoluta — Rosy Sedge

Carex crinita — Long-fringed Sedge, Drooping Sedge

Carex crinita — Mitchell's Sedge

Carex crinita — Mountain Fringed Sedge, Nodding Sedge

Carex debilis var. intercursa — Allegheny Sedge

Carex flaccosperma var. flaccosperma — Meadow Sedge, Blue Wood Sedge, thinfruit sedge

Carex flaccosperma var. pigra — Lazy Sedge

Carex fraseri — Fraser's Sedge, Lily-leaf Sedge

Carex glaucescens var. androgyna — Warty Sedge

Carex glaucodea — Lazy Sedge

Carex granularis var. granularis — Limestone Meadow Sedge, Corncob Sedge

Carex granularis var. haleana — Limestone Meadow Sedge, Corncob Sedge

Carex gravida var. gravida — Heavy Sedge, Pregnant Sedge

Carex grayii — Gray's Sedge

Carex haleana — Limestone Meadow Sedge, Corncob Sedge

Carex incomperta — Prickly Bog Sedge

Carex laevi-vaginata — Smooth-sheath Sedge

Carex laxiflora var. angustifolia — Lined Sedge

Carex laxiflora var. blanda — Eastern Woodland Sedge, Charming Sedge

Carex laxiflora var. gracillima — Slender Sedge, Slender Loose-flowered Sedge

Carex laxiflora var. latifolia — White Bear Sedge

Carex laxiflora var. laxiflora — Broad Loose-flowered Sedge

Carex laxiflora var. purpurifera — Limestone Purple Sedge

Carex lucorum — Appalachian Woodland Sedge

Carex lunelliana — Heavy Sedge, Pregnant Sedge

Carex lurida var. gracilis — Bailey's Sedge

Carex magnifolia — Thicket Sedge

Carex microrhyncha — Parasol Sedge

Carex muhlenbergii var. enervis — Muhlenberg’s Sedge

Carex muhlenbergii var. muhlenbergii — Muhlenberg’s Sedge

Carex nigro-marginata — Black-edged Sedge

Carex nigro-marginata var. muhlenbergii — White-tinged Sedge, Architectural Sedge

Carex nigro-marginata var. nigro-marginata — Black-edged Sedge

Carex oxylepis var. pubescens — Sharp-scaled Sedge

Carex pedunculata ssp. pedunculata — Longstalk Sedge, Pedunculate Sedge

Carex pennsylvanica — Pennsylvania Sedge, High Meadow Sedge

Carex plana — Muhlenberg’s Sedge

Carex retroflexa var. retroflexa — Reflexed Sedge

Carex retroflexa var. texensis — Texas Sedge

Carex strictior — Tussock Sedge, Upright Sedge

Carex tenera var. tenera — Slender Sedge, Quill Sedge

Carex tetanica var. woodii — Wood's Sedge, Pretty Sedge

Carex varia — White-tinged Sedge, Architectural Sedge

Carex virescens var. swanii — Swan's Sedge

Carex vulpinoidea var. ambigua — Yellow-fruited Sedge

Carex walteriana var. brevis — Walter’s Sedge

Carex walteriana var. walteriana — Walter’s Sedge, Pocosin Sedge

Carex willdenovii — Limestone Forest Sedge

Carex willdenovii — Willdenow's Sedge

Carex willdenovii — Southern Willdenow's Sedge, Widow Sedge

Carex willdenowii var. megarrhyncha — Limestone Forest Sedge

Carex willdenowii var. megarrhyncha — Southern Willdenow's Sedge, Widow Sedge

Carphephorus odoratissimus var. odoratissimus — Vanilla-leaf, Deer's-tongue, Pineland Purple

Cartrema americana — Devilwood, Wild Olive

Carya alba — Mockernut Hickory, White Hickory

Carya glabra var. glabra — Pignut Hickory

Carya glabra var. odorata — Red Hickory, Sweet Pignut Hickory

Carya ovalis var. hirsuta — Pignut Hickory

Carya ovata var. australis — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory

Carya ovata var. fraxinifolia — Common Shagbark Hickory

Carya ovata var. nuttallii — Common Shagbark Hickory

Carya ovata var. ovata — Common Shagbark Hickory

Cassia fasciculata var. fasciculata — Common Partridge-pea, Showy Partridge Pea

Cassia nictitans var. hebecarpa — Sensitive Partridge-pea, Common Sensitive-plant

Cassia nictitans var. nictitans — Sensitive Partridge-pea, Common Sensitive-plant

Castalia elegans — Tropical Blue Water-lily

Castalia flava — Yellow Water-lily, Banana Water-lily

Castalia lekophylla — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily

Castalia minor — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily

Castalia odorata — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily

Castanea alnifolia — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Castanea alnifolia var. alnifolia — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Castanea alnifolia var. floridana — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Castanea ashei — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Castanea floridana — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Castanea pumila var. ashei — Common Chinquapin, Chinkapin, Allegheny Chinquapin

Catalpa catalpa — Southern Catalpa, Fishbait Tree, Cigar Tree

Cathartolinum floridanum — Florida Yellow Flax, Savanna Flax

Cathartolinum floridanum — Yellow-fruited Yellow Flax, Florida yellow flax

Cathartolinum intercursum — Bicknell's Yellow Flax, Sandplain Flax

Cathartolinum macrosepalum — Florida Yellow Flax, Savanna Flax

Cathartolinum medium — Texas Yellow Flax, Stiff Yellow Flax, Spreading Flax, Texas Flax

Cathartolinum striatum — Ridgestem Yellow Flax, Ridged Yellow Flax

Cathartolinum virginianum — Virginia Yellow Flax, Woodland Flax

Caulophyllum thalictroides var. giganteum — Northern Blue Cohosh, Giant Blue Cohosh

Cayaponia grandifolia — Five-lobed Cucumber, Melon-leaf Cucumber

Ceanothus intermedius — Southeastern New Jersey Tea, Southeastern Ceanothus

Ceanothus ovatus — Prairie Redroot, Prairie Ceanothus

Ceanothus pubescens — Prairie Redroot, Prairie Ceanothus

Celastrus orbiculata — Oriental Bittersweet

Celtis georgiana — Georgia Hackberry, Dwarf Hackberry

Celtis laevigata var. laevigata — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry

Celtis laevigata var. smallii — Small's Hackberry

Celtis laevigata var. texana — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry

Celtis mississippiensis — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry

Celtis tenuifolia — Georgia Hackberry, Dwarf Hackberry

Celtis tenuifolia var. georgiana — Georgia Hackberry, Dwarf Hackberry

Cenchrus advena — Tender Fountaingrass

Cenchrus alopecuroides — Chinese Fountaingrass, Black Fountaingrass, Foxtail Fountaingrass

Cenchrus compressus — Chinese Fountaingrass, Black Fountaingrass, Foxtail Fountaingrass

Cenchrus pauciflorus — Northern Sandspur, Common Sandspur, Longbristle Sandbur

Cenchrus spicatus — Pearl Millet

Cenchrus viridis — Slimbristle Sandspur

Centaurea biebersteinii — Spotted Knapweed, Bushy Knapweed

Centaurea debeauxii ssp. thuillieri — Meadow Knapweed

Centaurea dubia ssp. vochinensis — Tyrol Knapweed, Short-fringed Knapweed

Centaurea monctonii — Meadow Knapweed

Centaurea repens — Russian Knapweed

Centaurea stoebe ssp. australis — Spotted Knapweed, Bushy Knapweed

Centaurea transalpina — Tyrol Knapweed, Short-fringed Knapweed

Centella repanda — Centella, Erect Coinleaf, False Pennywort

Cerastium brachypetalum ssp. brachypetalum — Gray Mouse-ear Chickweed, Gray Chickweed

Cerastium longepedunculatum — Nodding Mouse-ear Chickweed, Nodding Chickweed

Cerastium viscosum — Sticky Mouse-ear, Sticky Chickweed, Sticky Mouse-ear Chickweed

Cerastium vulgatum — Common Mouse-ear Chickweed

Cerasus avium — Mazzard Cherry, Sweet Cherry, Bing Cherry

Cerasus mahaleb — Mahaleb Cherry, Perfumed Cherry, St. Lucie Cherry, Rock Cherry

Cerothamnus carolinensis — Pocossin Bayberry, Evergreen Bayberry, Swamp Candleberry, Southern Bayberry

Cerothamnus carolinensis — Northern Bayberry

Cerothamnus ceriferus — Common Wax-myrtle, Southern Bayberry

Cerothamnus inodorus — Scentless Bayberry, Odorless Bayberry

Cerothamnus pumilus — Dwarf Wax-myrtle, Dwarf Bayberry

Chaerophyllum dasycarpum — Southern Chervil, Wild Chervil, Hairyfruit Chervil

Chaerophyllum floridanum — Southern Chervil, Wild Chervil, Hairyfruit Chervil

Chaerophyllum procumbens — Common Spreading Chervil

Chaerophyllum tainturieri var. dasycarpum — Southern Chervil, Wild Chervil, Hairyfruit Chervil

Chaerophyllum tainturieri var. tainturieri — Southern Chervil, Wild Chervil, Hairyfruit Chervil

Chaerophyllum teinturièri — Southern Chervil, Wild Chervil, Hairyfruit Chervil

Chaetochloa corrugata — Coastal Plain Bristlegrass

Chaetochloa geniculata — Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

Chaetochloa italica — Yellow Foxtail, Italian Millet, Foxtail Millet, Italian Foxtail

Chaetochloa lutescens — Yellow Foxtail

Chaetochloa lutescens — Pearl Millet

Chaetochloa magna — Saltmarsh Foxtail-grass, Giant Foxtail-grass, Giant Bristlegrass

Chaetochloa verticillata — Hooked Bristlegrass

Chaetochloa viridis — Green Foxtail, Green Bristlegrass

Chamaecrista fasciculata — Common Partridge-pea, Showy Partridge Pea

Chamaecrista multipinnata — Sensitive Partridge-pea, Common Sensitive-plant

Chamaecrista procumbens — Sensitive Partridge-pea, Common Sensitive-plant

Chamaecrista robusta — Common Partridge-pea, Showy Partridge Pea

Chamaelirium obovale — Fairywand, Devil's Bit

Chamaenerion angustifolium — Great Willowherb, Fireweed

Chamaenerion danielsii — Great Willowherb, Fireweed

Chamaesyce ingallsii — Southern Seaside Spurge, Dixie Sandmat

Chamerion platyphyllum — Great Willowherb, Fireweed

Chasmanthium laxum var. laxum — Slender Woodoats, Slender Spikegrass

Chasmanthium laxum var. sessiliflorum — Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

Cheilanthes vestita — Hairy Lipfern

Cheirinia cheiranthoides — Wormseed Mustard, Wormseed Wallflower

Chelone chlorantha — White Turtlehead

Chelone glabra var. elongata — White Turtlehead

Chelone glabra var. ochroleuca — White Turtlehead

Chelone lyoni — Mountain Turtlehead, Pink Turtlehead, Appalachian Turtlehead

Chelone montana var. elatior — White Turtlehead

Chelone montana var. montana — White Turtlehead

Chenopodium ambrosioides var. ambrosioides — Mexican-tea, Epazote

Chenopodium ambrosioides var. ambrosioides — Wormseed, Epazote

Chenopodium ambrosioides var. anthelminticum — Wormseed, Epazote

Chimaphila corymbosa — Prince's-pine

Chimaphila umbellata ssp. umbellata — Prince's-pine

Chiogenes hispidula — Creeping Snowberry, Moxie

Chionanthus virginica — Fringetree, Grancy Graybeard, Old Man's Beard, Grandsir-graybeard

Chondrophora virgata — Nuttall's Rayless-goldenrod, Glade Rayless-goldenrod, West Gulf Coastal Plain Rayless-goldenrod

Christella normalis — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern

Christella ovata var. ovata — Ovate Maiden Fern, ovate marsh fern

Chrosperma muscaetoxicum — Fly-poison

Chrysanthemum balsamita — Mint-geranium, Costmary, Sweetmary

Chrysopsis arenicola — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster

Chrysopsis camporum — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster

Chrysopsis camporum var. glandulissima — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster

Chrysopsis decumbens — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster

Chrysopsis graminifolia — Common Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia var. aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia var. aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster

Chrysopsis graminifolia var. graminifolia — Narrowleaf Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia var. latifolia — Common Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia var. microcephala — Smallhead Silkgrass, Grassleaf Goldenaster

Chrysopsis graminifolia var. microcephala — Narrowleaf Silkgrass, Grassleaf Goldenaster

Chrysopsis longii — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster

Chrysopsis oligantha — Narrowleaf Goldenaster, Few-flowered Goldenaster, Bog Goldenaster

Chrysopsis pinifolia — Sandhill Goldenaster, Taylor County Goldenaster, Taylor County Silkgrass

Chrysopsis ruthii — Ruth's Goldenaster

Chrysopsis villosa var. camporum — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster

Ciclospermum ammi — Marsh-parsley

Ciclospermum leptophyllum — Marsh-parsley

Cicuta curtissii — Southern Water-hemlock

Cicuta maculata var. curtissii — Southern Water-hemlock

Cinna arundinacea var. arundinacea — Common Woodreed, Stout Woodreed, Sweet Woodreed

Cinna arundinacea var. inexpansa — Common Woodreed, Stout Woodreed, Sweet Woodreed

Circaea alpina var. alpina — Alpine Enchanter's Nightshade, Smaller Enchanter's Nightshade

Circaea latifolia — Canada Enchanter's Nightshade

Circaea quadrisulcata var. canadensis — Canada Enchanter's Nightshade

Cirsium flaccidum — Carolina Thistle, Spring Thistle, Soft Thistle, Prairie Thistle

Cirsium horridulum — Common Yellow Thistle, Purple Thistle, Bristle Thistle, Horrid Thistle

Cirsium lanceolatum — Bull Thistle

Cirsium odoratum — Pasture Thistle

Cirsium pumilum var. pumilum — Pasture Thistle

Cirsium revolutum — Virginia Thistle

Cissus incisa — Marine-ivy, Sorrel-vine

Citrullus citrullus — Watermelon

Citrullus lanatus ssp. lanatus — Watermelon

Citrus aurantium — Sour Orange, Marmalade Orange, Sweet Orange, Bitter Orange

Claytonia caroliniana var. lewisii — Carolina Spring-beauty

Claytonia media — Spring-beauty

Claytonia virginica var. acutiflora — Spring-beauty

Cleistes divaricata var. bifaria — Appalachian Dragonhead Pogonia, Appalachian Small Spreading Pogonia, Smaller Rosebud Orchid, Upland Spreading Pogonia

Cleistes divaricata var. bifaria — Small Dragonhead Pogonia, Coastal Plain Small Spreading Pogonia

Cleistes divaricata var. divaricata — Large Dragonhead Pogonia, Rosebud Orchid, Large Spreading Pogonia

Clematis micrantha — Coastal Virgin's Bower, Satin-curls, Climbing Clematis

Clematis paniculata — Sweet Autumn Clematis, Yam-leaved Clematis, Sweet Autumn Virgin's Bower, Japanese Virgin's-bower

Clematis warei — Ware's Leatherflower, Coosa Leatherflower

Cleome spinosa — Cleome, Spiderflower, Pinkqueen

Clerodendrum trichotomum — Harlequin Glorybower

Clethra alnifolia var. pubescens — Downy Sweet-pepperbush, Downy White-alder

Clinopodium nepeta — Lesser Calamint, Basil-thyme

Clintonia alleghaniensis — Speckled Wood-lily, White Clintonia

Cochranea anchusaefolia — Clasping Heliotrope, Violet Heliotrope

Coeloglossum bracteatum — Longbract Frog Orchid, Long-bracted Orchid

Coeloglossum viride — Longbract Frog Orchid, Long-bracted Orchid

Coeloglossum viride var. virescens — Longbract Frog Orchid, Long-bracted Orchid

Coleataenia anceps — Beaked Panicum, Beaked Panicgrass

Coleataenia anceps — Small Beaked Panicum, Small Beaked Panicgrass

Coleataenia condensa — Dense Panicgrass

Coleataenia longifolia ssp. elongata — Tall Flat Panicgrass, Stalked Panicgrass

Coleataenia rigidula — Redtop Panicgrass

Coleataenia stipitata — Tall Flat Panicgrass, Stalked Panicgrass

Coleosanthus cordifolius — Heartleaf Brickellia, Flyr's False-boneset

Colocasia antiquorum — Elephant's-ear, Taro, Dasheen

Colocasia esculenta var. antiquorum — Elephant's-ear, Taro, Dasheen

Colocasia esculenta var. aquatilis — Elephant's-ear, Taro, Dasheen

Colocasia esculenta var. esculenta — Elephant's-ear, Taro, Dasheen

Colocasia esculenta var. nymphiifolia — Elephant's-ear, Taro, Dasheen

Colocasia gigantea — Giant Elephant's-ear, Indian Taro

Comandra richardsiana — Eastern Bastard-toadflax, Eastern Comandra, Star-toadflax

Commelina angustifolia — Sand Dayflower, Pineland Dayflower, Slender Dayflower

Commelina communis var. communis — Asiatic Dayflower, Common Dayflower

Commelina communis var. ludens — Asiatic Dayflower, Common Dayflower

Commelina crispa — Sand Dayflower, Pineland Dayflower, Slender Dayflower

Commelina longicaulis — Spreading Dayflower, Creeping Dayflower

Conradina montana — Cumberland Rosemary

Conradina puberula — Gray Rosemary, Conradina

Consolida ambigua — Rocket Larkspur, Garden Larkspur

Convallaria montana — American Lily-of-the-valley

Convolvulus catesbeianus — Catesby's Bindweed, Catesby's False Bindweed

Convolvulus purshianus — Shale Bindweed

Convolvulus repens — Northeastern Bindweed

Convolvulus sepium var. americanus — Northeastern Bindweed

Convolvulus sepium var. fraterniflorus — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed

Convolvulus sepium var. repens — Northeastern Bindweed

Convolvulus sepium var. sepium — Appalachian Bindweed

Convolvulus sepium var. sepium — Coastal Plain Bindweed

Conyza canadensis — Common Horseweed

Conyza canadensis — Southern Horseweed

Conyza sumatrensis — Tropical Horseweed, Sumatran Fleabane, Guernsey Fleabane

Coptis groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread

Coptis trifolia ssp. groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread

Coptis trifolia var. groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread

Corallorhiza odontorhiza var. odontorhiza — Autumn Coralroot

Corallorhiza odontorhiza var. pringlei — Autumn Coralroot

Corallorrhiza maculata — Eastern Spotted Coralroot, Summer Coralroot

Corallorrhiza micrantha — Autumn Coralroot

Corallorrhiza odontorhiza — Autumn Coralroot

Corallorrhiza wisteriana — Spring Coralroot, Wister's Coralroot

Corculum leptopus — Love-chain, Queen's-jewels, Confederate-vine, Corallita

Coreopsis cardaminefolia — Plains Coreopsis, Calliopsis, Garden Coreopsis, Golden Tickseed

Coreopsis crassifolia — Lanceleaf Coreopsis, Longstalk Coreopsis, Lanceleaf Tickseed

Coreopsis delphinifolia — Larkspur-leaf Tickseed, Larkspur Coreopsis

Coreopsis gladiata var. linifolia — Savanna Coreopsis, Savanna Tickseed

Coreopsis oniscicarpa + — Savanna Coreopsis, Savanna Tickseed

Coreopsis sp. [Glassy Mtn HP] — a puzzling Coreopsis [Glassy Mtn HP]

Coriflora albicoma — White-haired Leatherflower

Coriflora crispa — Southern Leatherflower, Marsh Clematis, Swamp Leatherflower, Blue Jasmine

Coriflora fremontii — Fremont's Leatherflower

Coriflora glaucophylla — White-leaved Leatherflower

Coriflora ochroleuca — Curlyheads

Coriflora reticulata — Vase-vine, Netleaf Leatherflower

Coriflora versicolor — Pale Leatherflower

Coriflora viticaulis — Millboro Leatherflower

Cornus alba ssp. stolonifera — Red Osier Dogwood, Bailey's Dogwood

Cornus alba var. alba — Red Osier Dogwood, Bailey's Dogwood

Cornus amomum ssp. amomum — Silky Dogwood, Bush Dogwood, Silky Cornel

Cornus foemina ssp. microcarpa — Eastern Roughleaf Dogwood

Cornus foemina ssp. racemosa — Northern Swamp Dogwood, Gray Dogwood

Cornus priceae — Midwestern Roughleaf Dogwood

Cornus sericea — Red Osier Dogwood, Bailey's Dogwood

Cornus stolonifera — Red Osier Dogwood, Bailey's Dogwood

Corydalis micrantha var. australis — Southern Corydalis

Corydalis micrantha var. micrantha — Slender Corydalis

Corylus cornuta ssp. cornuta — Beaked Hazelnut

Cotinus americanus — American Smoketree

Cotoneaster pyracantha — Scarlet Firethorn, Pyracantha

Cracca ambigua — Florida Hoarypea, Florida Goat’s-rue

Cracca hispidula — Sprawling Hoary-pea

Cracca spicata — Spiked Hoary-pea, Brown-hair Tephrosia, Tawny Goat's Rue

Cracca virginiana — Virginia Goat's Rue, Devil's Shoestrings

Crataegus ×palmeri — Palmer's Hawthorn

Crataegus ×vailiae [calpodendron × uniflora] — Vail’s Hawthorn

Crataegus abdita — Bristol Hawthorn

Crataegus abstrusa — Broadleaved Beautiful Hawthorn

Crataegus abstrusa — Beautiful Hawthorn

Crataegus adunca — Alabama Hawthorn

Crataegus adunca — Ravenel's Hawthorn

Crataegus aff. pinetorum — pineland hawthorn

Crataegus agrestina — Allegheny Hawthorn

Crataegus alabamensis var. florens — Mississippi Hawthorn

Crataegus alabamensis var. ravenelii — Ravenel's Hawthorn

Crataegus alabamensis var. teres — Smooth Alabama Hawthorn, Montgomery Hawthorn

Crataegus albicans — Downy Hawthorn

Crataegus algens — Cockspur Hawthorn

Crataegus allagheniensis — Allegheny Hawthorn

Crataegus alleghaniensis var. extraria — Valley Head Hawthorn

Crataegus allegheniensis var. allegheniensis — Allegheny Hawthorn

Crataegus allegheniensis var. ignava — Valley Head Hawthorn

Crataegus allegheniensis var. mira — Allegheny Hawthorn

Crataegus amica — Sandhill Hawthorn

Crataegus amnicola — Hillside Hawthorn

Crataegus ancisa — Beautiful Hawthorn

Crataegus anisophylla — Jacksonville Hawthorn

Crataegus annosa — Bristol Hawthorn

Crataegus apiifolia — Parsley Hawthorn, Parsley Haw

Crataegus arborea — Cockspur Hawthorn

Crataegus arcana — Frosted Hawthorn

Crataegus arguta — Sandhill Hawthorn

Crataegus arnoldiana — Northern Downy Hawthorn, Quebec Hawthorn

Crataegus assimilis — Sargent's Hawthorn

Crataegus attrita — Mississippi Hawthorn

Crataegus attrita — Alabama Hawthorn

Crataegus austrina — Beautiful Hawthorn

Crataegus austromontana — Threeflower Hawthorn

Crataegus basilica — Schuette's Hawthorn

Crataegus biltmoreana — Biltmore Hawthorn

Crataegus boyntoni — Boynton's Hawthorn

Crataegus boyntonii — Boynton's Hawthorn

Crataegus calpodendron var. calpodendron — Pear Hawthorn

Crataegus calpodendron var. globosa — Pear Hawthorn

Crataegus calpodendron var. microcarpa — Pear Hawthorn

Crataegus canadensis — Northern Downy Hawthorn, Quebec Hawthorn

Crataegus canbyi — Cockspur Hawthorn

Crataegus chapmanii — Pear Hawthorn

Crataegus chrysocarpa var. dodgei — Dodge Hawthorn

Crataegus cibaria — Downy Hawthorn

Crataegus cirrata — Jacksonville Hawthorn

Crataegus clara — Ravenel's Hawthorn

Crataegus collina var. collina — Hillside Hawthorn

Crataegus colonica — Colony Hawthorn, Bluffton Hawthorn

Crataegus communis — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn

Crataegus compitalis — Ravenel's Hawthorn

Crataegus concinna — Cutleaf Beautiful Hawthorn

Crataegus concinna — Beautiful Hawthorn

Crataegus confusa — Biltmore Hawthorn

Crataegus consanguinea — Sister Hawthorn

Crataegus constans — Lake Ella Hawthorn

Crataegus contrita — Beautiful Hawthorn

Crataegus crocea — Ocala Hawthorn

Crataegus cullasagensis — Allegheny Hawthorn

Crataegus curva — Ocala Hawthorn

Crataegus dodgei var. dodgei — Dodge Hawthorn

Crataegus dodgei var. flavida — Dodge Hawthorn

Crataegus dolosa — Lake Ella Hawthorn

Crataegus egens — Sand Barren Hawthorn

Crataegus eximia — Sargent's Hawthorn

Crataegus extraria — Valley Head Hawthorn

Crataegus flavida — Dodge Hawthorn

Crataegus floridana — Jacksonville Hawthorn

Crataegus fortis — Mississippi Hawthorn

Crataegus fortis — Alabama Hawthorn

Crataegus fortunata — Yellow-fruited Entangled Hawthorn

Crataegus frugalis — Ocala Hawthorn

Crataegus frugiferans — Allegheny Hawthorn

Crataegus galbana — Bristol Hawthorn

Crataegus gattingeri — Gattinger's Hawthorn

Crataegus gattingeri — Frosted Hawthorn

Crataegus gattingeri var. gattingeri — Gattinger's Hawthorn

Crataegus gattingeri var. rigida — Gattinger's Hawthorn

Crataegus geniculata — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn

Crataegus geniculata — Woolly Dwarf Hawthorn, Pexa Hawthorn

Crataegus georgiana — Frosted Hawthorn

Crataegus georgiana — Gattinger's Hawthorn

Crataegus germanica — European Medlar

Crataegus gilva — Sargent's Hawthorn

Crataegus gravida — Downy Hawthorn

Crataegus gregalis — Oneflower Hawthorn, Dwarf Haw

Crataegus illudens — Sandhill Hawthorn

Crataegus illustris — Broadleaved Beautiful Hawthorn

Crataegus illustris — Beautiful Hawthorn

Crataegus impar — Valley Head Hawthorn

Crataegus incana — Ocala Hawthorn

Crataegus ingens — Hillside Hawthorn

Crataegus inops — Sandhill Hawthorn

Crataegus insidiosa — Mississippi Hawthorn

Crataegus interior — Green Hawthorn, Greenhaw

Crataegus invicta — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn

Crataegus invicta — Woolly Dwarf Hawthorn, Pexa Hawthorn

Crataegus iracunda var. brumalis — Poplar Hawthorn

Crataegus iracunda var. silvicola — Forest Hawthorn, Stolon-bearing Hawthorn

Crataegus lassa — Sandhill Hawthorn

Crataegus lenis — Beautiful Hawthorn

Crataegus leonensis — Sister Hawthorn

Crataegus macilenta — Beautiful Hawthorn

Crataegus macra — Cockspur Hawthorn

Crataegus macrosperma var. macrosperma — Eastern Hawthorn

Crataegus macrosperma var. roanensis — Eastern Hawthorn

Crataegus maloides — Rufous Mayhaw, Florida Mayhaw

Crataegus margaretta — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus margaretta var. margaretta — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus margarettae — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus margarettae var. margarettae — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus margarettiae — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus margarettiae var. margarettiae — Margaret's Hawthorn, Fireberry Hawthorn

Crataegus mercerencis — Dodge Hawthorn

Crataegus meridiana — Sandhill Hawthorn

Crataegus meridionalis — Downy Hawthorn

Crataegus michauxii — Sandhill Hawthorn

Crataegus mohrii — Mohr's Hawthorn

Crataegus monogyna var. monogyna — English Hawthorn, Singleseed Hawthorn, One-seeded Hawthorn

Crataegus munda var. pexa — Woolly Dwarf Hawthorn, Pexa Hawthorn

Crataegus neobushii — Bush Hawthorn

Crataegus neofluvialis — New River Hawthorn

Crataegus opima — Broadleaved Beautiful Hawthorn

Crataegus orbiculata — Sister Hawthorn

Crataegus oreophila — Balsam Mountain Hawthorn

Crataegus padifolia var. padifolia — Yellow-fruited Entangled Hawthorn

Crataegus pedicellata var. ellwangeriana — Pennsylvania Hawthorn

Crataegus penita — Green Hawthorn, Greenhaw

Crataegus pentaneura — Oneflower Hawthorn, Dwarf Haw

Crataegus populifolia — Washington Hawthorn, Virginia Hawthorn

Crataegus populnea — Forest Hawthorn, Stolon-bearing Hawthorn

Crataegus prismatica — Pale-fruited Hawthorn, Birmingham Hawthorn, Pale Hawthorn

Crataegus prona — Poplar Hawthorn

Crataegus pulcherrima var. incilis — Cutleaf Beautiful Hawthorn

Crataegus pulla — Ravenel's Hawthorn

Crataegus pyracantha — Scarlet Firethorn, Pyracantha

Crataegus pyracanthoides — Narrowleaf Cockspur Hawthorn

Crataegus pyracanthoides var. arborea — Narrowleaf Cockspur Hawthorn

Crataegus quaesita — Florida Hawthorn, Gulf Hawthorn

Crataegus raleighensis — Oneflower Hawthorn, Dwarf Haw

Crataegus recurva — Ocala Hawthorn

Crataegus resima — Florida Hawthorn, Gulf Hawthorn

Crataegus reverchonii — Mohr's Hawthorn

Crataegus reverchonii var. mohrii — Mohr's Hawthorn

Crataegus reverchonii var. palmeri — Palmer's Hawthorn

Crataegus rhodella — Britton's Hawthorn

Crataegus rigens — Allegheny Hawthorn

Crataegus roanensis — Eastern Hawthorn

Crataegus robur — Beautiful Hawthorn

Crataegus rubella — Little Red Hawthorn

Crataegus rubella — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn

Crataegus rugosa — Frosted Hawthorn

Crataegus rustica — Frosted Hawthorn

Crataegus segnis — Bristol Hawthorn

Crataegus silvicola — Forest Hawthorn, Stolon-bearing Hawthorn

Crataegus sinistra — Engelmann's Hawthorn

Crataegus sodalis — Bristol Hawthorn

Crataegus sodalis — Lake Ella Hawthorn

Crataegus sororia var. sororia — Sister Hawthorn

Crataegus sororia var. visenda — Bristol Hawthorn

Crataegus stolonifera — Poplar Hawthorn

Crataegus stonei — Biltmore Hawthorn

Crataegus straminea — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn

Crataegus tecta — Beautiful Hawthorn

Crataegus texana var. dasyphylla — Texas Downy Hawthorn

Crataegus texana var. texana — Texas Downy Hawthorn

Crataegus torva — Engelmann's Hawthorn

Crataegus tristis — Bristol Hawthorn

Crataegus uniflora var. brittonii — Britton's Hawthorn

Crataegus uniflora var. uniflora — Oneflower Hawthorn, Dwarf Haw

Crataegus venusta var. pallens — Pale-fruited Hawthorn, Birmingham Hawthorn, Pale Hawthorn

Crataegus venusta var. venusta — Red Mountain Hawthorn

Crataegus versuta — Jacksonville Hawthorn

Crataegus viaria — Jacksonville Hawthorn

Crataegus vicinalis — Frosted Hawthorn

Crataegus villaris — Ocala Hawthorn

Crataegus villicarpa — Biltmore Hawthorn

Crataegus viridis + — Green Hawthorn, Greenhaw

Crataegus viridis var. lanceolata — Green Hawthorn, Greenhaw

Crataegus viridis var. ovata — Green Hawthorn, Greenhaw

Crataegus viridis var. velutina — Green Hawthorn, Greenhaw

Crataegus vulsa — Green Hawthorn, Greenhaw

Crataegus yadkinensis — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn

Crataegus yadkinensis — Woolly Dwarf Hawthorn, Pexa Hawthorn

Crataegus youngii — Washington Hawthorn, Virginia Hawthorn

Cristella quadrangularis — Hairy Maiden Fern

Crookea microsepala — Flatwoods St. Johnswort

Crotalaria retzii — Showy Rattlebox

Crotalaria striata — Smooth Rattlebox

Croton alabamensis — Alabama Croton

Croton glandulosus var. angustifolius — Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton

Croton glandulosus var. simpsonii — Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton

Croton michauxii var. elliptica — Outcrop Rushfoil, Willdenow's Croton, Glade Rushfoil, Broadleaf Rushfoil

Croton michauxii var. michauxii — Sand Rushfoil, Michaux's Croton, Narrowleaf Rushfoil

Cucumis melo ssp. melo var. cantalupo — Canteloupe, Muskmelon

Cucumis melo var. melo — Canteloupe, Muskmelon

Cucumis sativus var. sativus — Cucumber

Cucurbita melopepo ssp. melopepo — Crookneck Squash, Straightneck Squash, Acorn Squash, Spaghetti Squash

Cucurbita melopepo ssp. melopepo var. melopepo — Crookneck Squash, Straightneck Squash, Acorn Squash, Spaghetti Squash

Cucurbita pepo ssp. pepo — Pumpkin, Zucchini, Ornamental Gourd, Vegetable Marrow

Cuphea petiolata — Clammy Cuphea, Blue Waxweed

Cupressus ×leylandii — Leyland Cypress

Cupressus arizonica — Arizona Cypress

Cuscuta compacta var. efimbriata — Compact Dodder

Cuscuta glandulosa — Glandular Dodder

Cuscuta gronovii var. calyptrata — Common Dodder, Swamp Dodder

Cuscuta gronovii var. gronovii — Common Dodder, Swamp Dodder

Cuscuta gronovii var. latiflora — Common Dodder, Swamp Dodder

Cuscuta indecora var. attenuata — Bigseed Alfalfa Dodder, Pretty Dodder

Cuscuta indecora var. indecora — Bigseed Alfalfa Dodder, Pretty Dodder

Cuscuta indecora var. longisepala — Bigseed Alfalfa Dodder, Pretty Dodder

Cuscuta indecora var. neuropetala — Bigseed Alfalfa Dodder, Pretty Dodder

Cuscuta japonica var. formosana — Japanese Dodder

Cuscuta pentagona var. pubescens — Five-angled Dodder

Cyanococcus amoenus — Rabbiteye Blueberry, Swamp Blueberry, Rabbitberry, Smallflower Blueberry

Cyanococcus atrococcus — Hairy Highbush Blueberry, Black Highbush Blueberry

Cyanococcus corymbosus — Smooth Highbush Blueberry, Northern Highbush Blueberry

Cyanococcus elliottii — Mayberry, Elliott's Blueberry

Cyanococcus fuscatus — Hairy Highbush Blueberry, Black Highbush Blueberry

Cyanococcus hirsutus — Woollyberry, Hairy Blueberry, Low-lowbush Blueberry

Cyanococcus liparis — Blue Ridge Blueberry

Cyanococcus myrsinites var. glaucum — Darrow's Blueberry

Cyanococcus myrsinites var. myrsinites — Southern Evergreen Blueberry

Cyanococcus pallidus — Hillside Blueberry, Dryland Blueberry, Upland Low Blueberry, Lowbush Blueberry

Cyanococcus simulatus — Mountain Highbush Blueberry

Cyanococcus subcordatus — Blue Ridge Blueberry

Cyanococcus tenellus — Southern Dwarf Blueberry, Small Cluster Blueberry, Small Cluster Blueberry, Narrowleaf Blueberry

Cyanococcus vacillans — Hillside Blueberry, Dryland Blueberry, Upland Low Blueberry, Lowbush Blueberry

Cyanococcus virgatus — Southern Highbush Blueberry, Swamp Highbush Blueberry

Cyclodon alabamense — Alabama Milkvine, Alabama Spinypod

Cyclosorus dentatus — Downy Maiden-fern, Soft Fern, Downy Shield-fern

Cyclosorus hispidulus — Hairy Maiden Fern

Cyclosorus kunthii — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern

Cyclosorus ovatus var. ovatus — Ovate Maiden Fern, ovate marsh fern

Cynanchum nigrum — Black Swallow-wort, Dog-Strangling Vine

Cynoctonum angustifolium — Narrow-leaved Miterwort

Cynodon dactylon var. affinis — Bermuda Grass, Scutch Grass

Cynodon dactylon var. dactylon — Bermuda Grass, Scutch Grass

Cynoglossum virginicum — Southern Wild Comfrey, Southern Hound’s-tongue

Cynoxylon floridum — Flowering Dogwood

Cynoxylon kousa — Kousa Dogwood

Cynthia dandelion — Colonial Dwarf-dandelion, Potato Dwarf-dandelion

Cynthia montana — Mountain Dwarf-dandelion, Mountain Cynthia

Cynthia virginica — Orange Dwarf-dandelion, Two-flower Dwarf-dandelion, Two-flower Cynthia, Twin-flowered Cynthia

Cyperus esculentus var. sativus — Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond

Cyperus ferax — Fragrant Flatsedge

Cyperus ferruginescens — Fragrant Flatsedge

Cyperus halei — Redroot Flatsedge

Cyperus inflexus — Granite Flatsedge

Cyperus inflexus — Awned Flatsedge, Bearded Flatsedge

Cyperus longispicatus — Fragrant Flatsedge

Cyperus lutescens — Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond

Cyperus multiflorus — Baldwin's Flatsedge

Cyperus odoratus var. engelmannii — Slender Sand Flatsedge, Engelmann's Flatsedge

Cyperus plankii — Baldwin's Flatsedge

Cyperus praelongatus — False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

Cyperus retrofractus var. dipsaciformis — Rough Flatsedge

Cyperus retrofractus var. retrofractus — Starburst Flatsedge, Plukenet’s Flatsedge, Plukenet’s Sedge

Cyperus retrorsus var. robustus — Baldwin's Flatsedge

Cyperus speciosus — Fragrant Flatsedge

Cyperus torreyi — Pineland Flatsedge, Pine-barren Flatsedge

Cypripedium calceolus var. parviflorum — Small Yellow Lady's Slipper

Cypripedium parviflorum — Small Yellow Lady's Slipper

Cypripedium pubescens — Large Yellow Lady's Slipper

Cypripedium pubescens — Kentucky Yellow Lady's Slipper

Cyrtomium fortunei var. fortunei — Fortune's Holly-fern, Fortune's Net-veined Holly Fern

Cystopteris ×tennesseensis — Tennessee Bladder Fern

Cystopteris fragilis var. fragilis — Fragile Fern, Brittle Fern, Brittle Bladder Fern

Cystopteris fragilis var. mackayi — Mackay's Bladder Fern, Mackay's Fragile Fern, Upland Bladder Fern

Cystopteris fragilis var. protrusa — Lowland Bladder Fern, Spreading Bladder Fern

Dalea carnea var. albida — White-tassels

Dalea carnea var. carnea — Pink-tassels

Dalea carnea var. gracilis — Sprawling White-tassels

Dalea gracilis — Sprawling White-tassels

Dasystephana andrewsii — Prairie Closed Gentian, Closed Bottle Gentian

Dasystephana decora — Appalachian Gentian, Showy Gentian

Dasystephana decora — Meadow Closed Gentian, Meadow Bottle Gentian

Dasystephana decora — Blue Ridge Gentian, Appalachian Gentian, Pine Barren Gentian

Dasystephana decora — Balsam Mountain Gentian

Dasystephana flavida — Pale Gentian, Plain Gentian

Dasystephana latifolia — Coastal Plain Gentian, Catesby's Gentian, Elliott's Gentian

Dasystephana parvifolia — Coastal Plain Gentian, Catesby's Gentian, Elliott's Gentian

Dasystephana porphyrio — Pinebarren Gentian, Autumn Gentian

Dasystephana saponaria — Soapwort Gentian, Harvestbells

Dasystephana villosa — Striped Gentian

Dasystoma macrophylla — Mullein Foxglove

Daubentonia drummondii — Rattlebox, Poison-bean, Siene Bean

Decachaena baccata — Black Huckleberry, Crackleberry

Decachaena frondosa — Dangleberry

Decachaena nana — Dwarf Dangleberry, Confederate Huckleberry

Decachaena tomentosa — Woolly Dangleberry, Hairy Dangleberry, Hairytwig Huckleberry

Decachaena ursina — Bear Huckleberry, Buckberry, Mountain Huckleberry, Bearberry

Decemium appendiculatum — Biennial Waterleaf, Great Waterleaf

Delopyrum gracile — Wireweed, Tall Jointweed

Delphinium ambiguum — Rocket Larkspur, Garden Larkspur

Delphinium carolinianum var. carolinianum — Prairie Larkspur, Carolina Larkspur, Blue Larkspur, Ozark Larkspur

Delphinium carolinianum var. carolinianum — Glade Larkspur, Limestone Larkspur, Tennessee Larkspur

Delphinium virescens — Glade Larkspur, Limestone Larkspur, Tennessee Larkspur

Dendropogon usneoides — Spanish-moss, Long-moss

Dentaria diphylla — Broadleaf Toothwort, Crinkleroot, Pepperroot, Two-leaved Toothwort

Dentaria heterophylla — Eastern Slender Toothwort

Dentaria incisa — Broadleaf Toothwort, Crinkleroot, Pepperroot, Two-leaved Toothwort

Dentaria laciniata — Cutleaf Toothwort

Dentaria multifida — Dissected Toothwort, Fineleaf Toothwort, Forkleaf Toothwort

Deringa canadensis — Honewort

Deschampsia caespitosa — Tufted Hairgrass

Deschampsia caespitosa ssp. caespitosa — Tufted Hairgrass

Deschampsia cespitosa ssp. cespitosa — Tufted Hairgrass

Deschampsia flexuosa var. flexuosa — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass

Deschampsia flexuosa var. montana — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass

Desmodium ciliare var. lancifolium — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil

Desmodium cuspidatum var. longifolium — Long-bracted Tick-trefoil, Toothed Tick-trefoil, Largebract Tick-trefoil

Desmodium marilandicum var. ciliare — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil

Desmodium marilandicum var. lancifolium — Stiff Tick-trefoil

Desmodium marilandicum var. marilandicum — Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil

Desmodium paniculatum var. dillenii — Tall Tick-trefoil, Dillen's Tick-trefoil

Desmodium paniculatum var. dillenii — Perplexing Tick-trefoil, Dillen's Tick-trefoil

Desmodium paniculatum var. fernaldii — Fernald's Tick-trefoil

Desmodium rigidum — Stiff Tick-trefoil

Desmothamnus lucidus — Shining Fetterbush, Lyonia, Hemleaf

Diamorpha cymosa — Elf-orpine

Dianthera americana — American Water-willow

Dianthus armeria ssp. armeria — Deptford Pink

Diapedium brachiatum — Branched Foldwing, Dicliptera

Diaphoranthema recurvata — Ball-moss, Bunch-moss

Dicerandra linearifolia — coastal plain balm

Dichanthelium aciculare ssp. aciculare — Needleleaf Witchgrass, Needleleaf Rosette Grass

Dichanthelium aciculare ssp. angustifolium — Sandy Woods Witchgrass

Dichanthelium aciculare ssp. angustifolium — Narrowleaf Witchgrass

Dichanthelium aciculare ssp. fusiforme — Spindle-fruited Witchgrass

Dichanthelium aciculare ssp. neuranthum — Nerved Witchgrass

Dichanthelium acuminatum — White-haired Witchgrass

Dichanthelium acuminatum — Pineland Witchgrass

Dichanthelium acuminatum ssp. acuminatum — Woolly Witchgrass, Woolly Rosette Grass, Tapered Rosette Grass

Dichanthelium acuminatum ssp. columbianum — American Witchgrass

Dichanthelium acuminatum ssp. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Dichanthelium acuminatum ssp. lindheimeri — Lindheimer's Witchgrass

Dichanthelium acuminatum ssp. longiligulatum — Long-ligule Witchgrass, Coastal Plain Witchgrass

Dichanthelium acuminatum var. implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Dichanthelium acuminatum var. longiligulatum — Long-ligule Witchgrass, Coastal Plain Witchgrass

Dichanthelium acuminatum var. villosum — White-haired Witchgrass

Dichanthelium dichotomum ssp. dichotomum — Forked Witchgrass

Dichanthelium dichotomum ssp. lucidum — Bog Witchgrass

Dichanthelium dichotomum ssp. lucidum — Peaty Witchgrass

Dichanthelium dichotomum ssp. mattamuskeetense — Ringed Witchgrass

Dichanthelium dichotomum ssp. mattamuskeetense — Mattamuskeet Witchgrass

Dichanthelium dichotomum ssp. microcarpon — Small-fruited Witchgrass

Dichanthelium dichotomum ssp. nitidum — Shining Witchgrass

Dichanthelium dichotomum ssp. roanokense — Blue Witchgrass

Dichanthelium dichotomum ssp. roanokense — Roanoke Witchgrass

Dichanthelium dichotomum ssp. yadkinense — Spotted-sheath Witchgrass

Dichanthelium dichotomum var. ramulosum — Small-fruited Witchgrass

Dichanthelium dichotomum var. roanokense — Roanoke Witchgrass

Dichanthelium leucoblepharis var. glabrescens — Hairless Witchgrass

Dichanthelium leucoblepharis var. leucoblepharis — Dwarf Witchgrass

Dichanthelium leucoblepharis var. pubescens — Rough-hairy Witchgrass

Dichanthelium leucothrix — Long-ligule Witchgrass, Coastal Plain Witchgrass

Dichanthelium lindheimeri — Lindheimer's Witchgrass

Dichanthelium oligosanthes ssp. oligosanthes — Few-flowered Witchgrass, Heller's Witchgrass

Dichanthelium ovale ssp. villosissimum — White-haired Witchgrass

Dichanthelium portoricense — American Witchgrass

Dichanthelium strigosum ssp. glabrescens — Hairless Witchgrass

Dichanthelium strigosum ssp. leucoblepharis — Dwarf Witchgrass

Dichanthelium strigosum ssp. strigosum — Rough-hairy Witchgrass

Dichondra repens var. carolinensis — Carolina Ponyfoot

Dicliptera viridiflora — Yellow Bractspike

Digitalis purpurea var. alba — Digitalis, Common Foxglove, Purple Foxglove

Digitalis purpurea var. purpurea — Digitalis, Common Foxglove, Purple Foxglove

Digitaria ischaemum var. mississippiensis — Smooth Crabgrass

Digitaria sanguinalis var. ciliaris — Southern Crabgrass

Digitaria sanguinalis var. sanguinalis — Hairy Crabgrass, Northern Crabgrass

Diodella teres — Poor-joe, Rough Buttonweed

Diodia hirsuta — Virginia Buttonweed, Large Buttonweed

Diodia teres var. hirsutior — Poor-joe, Rough Buttonweed

Diodia teres var. hystricina — Poor-joe, Rough Buttonweed

Diodia teres var. oblongifolia — Poor-joe, Rough Buttonweed

Diodia teres var. teres — Poor-joe, Rough Buttonweed

Diodia tetragona — Virginia Buttonweed, Large Buttonweed

Diodia virginiana var. attenuata — Virginia Buttonweed, Large Buttonweed

Diodia virginiana var. latifolia — Virginia Buttonweed, Large Buttonweed

Diodia virginiana var. virginiana — Virginia Buttonweed, Large Buttonweed

Dioscorea glauca — Common Wild Yam, Streamhead Yam, Yellow Yam

Dioscorea hirticaulis — Common Wild Yam, Streamhead Yam, Yellow Yam

Dioscorea quaternata — Common Wild Yam, Streamhead Yam, Yellow Yam

Dioscorea villosa var. hirticaulis — Common Wild Yam, Streamhead Yam, Yellow Yam

Diospyros mosieri — American Persimmon, Possumwood, Simmon

Diplazium acrostichoides — Silvery Glade Fern, Silvery Spleenwort

Diplostachyum apodum — Meadow Spikemoss

Diplostachyum ludovicianum — Louisiana Spikemoss, Gulf Spikemoss

Dipsacus fullonum ssp. sylvestris — Wild Teasel, Common Teasel

Disakisperma dubia — Green Sprangletop

Ditremexa marylandica — Northern Wild Senna

Ditremexa medsgeri — Maryland Wild Senna, Maryland Senna

Dodecatheon brachycarpa — Eastern Shooting Star

Dodecatheon hugeri — Eastern Shooting Star

Dodecatheon meadia ssp. brachycarpum — Eastern Shooting Star

Doellingeria humilis — Pocosin Flat-top Aster, Southern Whitetop, Streamhead Flat-top Aster, Southern Flat-top Aster

Doellingeria reticulata — Pine-barren Aster, Whitetop Aster

Doellingeria umbellata — Northern Tall Flat-top White Aster, Northern Tall Whitetop Aster, Northern Tall Flat-top Aster

Dondia linearis — Southern Sea-blite

Dracocephalum denticulatum — Savanna Obedient-plant, Eastern False Dragonhead

Dracocephalum leptophyllum — Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Dracocephalum veroniciformis — Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Drosera filiformis var. tracyi — Tracy's Sundew

Drosera rotundifolia var. comosa — Roundleaf Sundew

Drymaria cordata — Drymary, West Indian Chickweed, Heartleaf Drymary

Dryopteris ×australis — Southern Woodfern, Southern Shield-fern, Dixie Woodfern

Dryopteris atropalustris — Log Fern

Dryopteris austriaca var. austriaca — Mountain Woodfern

Dryopteris austriaca var. intermedia — Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Dryopteris austriaca var. spinulosa — Spinulose Woodfern, Toothed Woodfern

Dryopteris clintoniana var. australis — Southern Woodfern, Southern Shield-fern, Dixie Woodfern

Dryopteris goldiana ssp. celsa — Log Fern

Dryopteris goldiana ssp. goldiana — Goldie's Woodfern

Dryopteris hexagonoptera — Broad Beech Fern

Dryopteris noveboracensis — New York Fern

Dryopteris phegopteris — Northern Beech Fern

Dryopteris setigera — Mariana Maiden-fern, Swordfern, False Maiden-fern

Dryopteris simulata — Bog Fern, Massachusetts Fern

Dryopteris spinulosa var. americana — Mountain Woodfern

Dryopteris spinulosa var. intermedia — Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Dryopteris spinulosa var. spinulosa — Spinulose Woodfern, Toothed Woodfern

Dryopteris thelypteris var. pubescens — Marsh Fern

Duchesnea indica var. indica — Indian Strawberry, Mock Strawberry

Echinacea angustifolia var. tennesseensis — Tennessee Purple Coneflower, Tennessee Coneflower

Echinacea atrorubens var. paradoxa — Yellow Coneflower

Echinacea pallida var. angustifolia — Tennessee Purple Coneflower, Tennessee Coneflower

Echinacea pallida var. pallida — Pale Purple Coneflower

Echinacea pallida var. simulata — Prairie Purple Coneflower, Wavyleaf Purple Coneflower, Glade Coneflower

Echinacea pallida var. tennesseensis — Tennessee Purple Coneflower, Tennessee Coneflower

Echinacea paradoxa — Yellow Coneflower

Echinacea purpurea var. laevigata — Smooth Coneflower, Smooth Purple Coneflower

Echinacea purpurea var. purpurea — Eastern Purple Coneflower

Echinochloa crus-galli ssp. crus-galli — Rough Barnyard-grass

Echinochloa crus-galli ssp. crus-galli — Barnyard-grass

Echinochloa crus-galli ssp. crus-galli — Rough Barnyard-grass

Echinochloa crus-pavonis — gulf cockspur grass

Echinochloa microstachya — Rough Barnyard-grass

Echinochloa muricata — Rough Barnyard-grass

Echinodorus cordifolius ssp. cordifolius — Creeping Burhead, Creeping Water-plantain

Echinodorus parvulus — Mud-babies, Dwarf-burhead, Pigmy Chain-sword

Echinodorus radicans — Creeping Burhead, Creeping Water-plantain

Edgeworthia gardneri — Paperbush, Mitsumata

Edgeworthia tomentosa — Paperbush, Mitsumata

Edisonia pubiflora — Trailing Milkvine, Sandhill Spinypod

Elaeagnus multiflorus — Cherry Elaeagnus, Cherry Silverberry

Elaeagnus umbellatus — Autumn-olive, Spring Silverberry, Oriental Silverleaf

Elaeodendron fortunei — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree

Eleocharis capillacea — Baldwin's Spikerush, Slender Spikerush, Roadgrass, Hair Grass

Eleocharis ovata — Blunt Spikerush

Eleocharis prolifera — Baldwin's Spikerush, Slender Spikerush, Roadgrass, Hair Grass

Elodea densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"

Elymus hystrix — Common Bottlebrush Grass, Eastern Bottlebrush-grass

Elymus striatus — Virginia Wild-rye, Common Eastern Wild-rye, Terrell Grass

Elymus virginicus var. glabriflorus — Southeastern Wild-rye

Elytrigia repens — Quackgrass, Dog-grass, Witchgrass

Emelista tora — Coffeeweed, Sicklepod

Endorima atropurpurea — Purple-disk Honeycomb-head, Bog Honeycomb-head, Purple Balduina, Purple Honeycomb-head

Endorima uniflora — Savanna Honeycomb-head, Yellow Balduina, Oneflower Honeycomb-head

Endymion nonscripta — English Bluebell

Epibaterium carolinum — Carolina Moonseed, Coralbeads, Carolina Snailseed, Red Moonseed

Epidendrum conopseum var. conopseum — Green-fly Orchid

Epidendrum conopseum var. mexicanum — Green-fly Orchid

Epidendrum magnoliae — Green-fly Orchid

Epidendrum magnoliae var. mexicanum — Green-fly Orchid

Epilobium adenocaulon var. adenocaulon — Fringed Willowherb, American Willowherb

Epilobium angustifolium var. platyphyllum — Great Willowherb, Fireweed

Epilobium glandulosum var. adenocaulon — Fringed Willowherb, American Willowherb

Equisetum hyemale ssp. affine — Tall Scouring-rush, River Scouring-rush

Eragrostis glomerata — Pond Lovegrass

Eragrostis hirsuta var. hirsuta — Bigtop Lovegrass

Eragrostis hirsuta var. laevivaginata — Bigtop Lovegrass

Eragrostis multicaulis — India Lovegrass

Erechtites hieraciifolia var. hieraciifolia — Fireweed, American Burnweed, Pilewort

Erianthus brevibarbis var. contortus — Bent-awn Plumegrass

Erianthus coarctatus var. coarctatus — Short-beard Plumegrass

Erianthus coarctatus var. coarctatus — Brown Plumegrass, Bunched Plumegrass

Erianthus coarctatus var. elliottianus — Short-beard Plumegrass

Erianthus coarctatus var. elliottianus — Brown Plumegrass, Bunched Plumegrass

Erianthus divaricatus — Silver Plumegrass

Erianthus ravennae var. purpurascens — Ravenna-grass, Hardy Pampas Grass

Erianthus ravennae var. ravennae — Ravenna-grass, Hardy Pampas Grass

Erianthus saccharoides — Sugarcane Plumegrass, Giant Plumegrass

Erigeron ramosus — Daisy Fleabane, Common Rough Fleabane, Prairie Fleabane, Slender Daisy Fleabane

Erigeron strigosus var. beyrichii — Daisy Fleabane, Common Rough Fleabane, Prairie Fleabane, Slender Daisy Fleabane

Eriochloa michauxii — Longleaf Cupgrass

Eruca eruca — Arugula, Garden Rocket, Rocket-salad, Salad-rocket

Eruca sativa — Arugula, Garden Rocket, Rocket-salad, Salad-rocket

Eryngium baldwini — Baldwin's eryngo, Baldwin's button snakeroot

Eryngium ludovicianum — Savanna Eryngo, Blueflower Eryngo

Eryngium synchaetum — Southern Rattlesnake-master

Eryngium virginianum — Marsh Eryngo

Erysimum officinale — Hedge Mustard

Erythrina arborea — Coral-bean, Cardinal-spear

Erythronium albidum var. albidum — White Trout Lily, Blonde Lilian, White Fawnlily

Eubotrys elongata — Coastal Fetterbush, Swamp Sweetbells, Swamp Leucothoe, Swamp Fetterbush

Eubotrys racemosa — Coastal Fetterbush, Swamp Sweetbells, Swamp Leucothoe, Swamp Fetterbush

Eubotrys recurva — Mountain Sweetbells, Mountain Fetterbush, Deciduous Fetterbush

Euchlaena perennis — Mexican Teosinte

Eulalia viminea — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass

Euonymus alata — Burning-bush, Winged Euonymus, Winged Wahoo

Euonymus americana — Hearts-a-bustin', Strawberry-bush

Euonymus atropurpurea var. atropurpurea — American Wahoo, Eastern Wahoo, Burning Bush

Euonymus hederaceus — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree

Euonymus japonica — Japanese Spindle-tree, Japanese Euonymus

Euonymus kiautschovica — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree

Euonymus kiautschovicus — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree

Euonymus obovata — Running Strawberry-bush, Trailing Strawberry-bush, Trailing Wahoo

Eupatoriadelphus dubius — Coastal Plain Joe-pye-weed, Three-nerved Joe-pye-weed

Eupatoriadelphus fistulosus — Hollow-stem Joe-pye-weed

Eupatoriadelphus maculatus — Spotted Joe-pye-weed

Eupatoriadelphus steelei — Appalachian Joe-pye-weed, Steele's Joe-pye-weed

Eupatorium ×cordigerum — Clasping Roundleaf Thoroughwort, Clasping Roundleaf Eupatorium

Eupatorium album var. glandulosum — White Boneset, White-bracted Thoroughwort, White Thoroughwort, White Eupatorium

Eupatorium album var. vaseyi — Vasey's Thoroughwort, Vasey's Eupatorium

Eupatorium album var. vaseyi — Fernald’s Thoroughwort, Fernald’s Eupatorium

Eupatorium chapmanii — Boneset

Eupatorium cuneatum — Boneset

Eupatorium cuneifolium var. semiserratum — Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium

Eupatorium hyssopifolium var. calcaratum — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Eupatorium hyssopifolium var. linearifolium — Narrowleaf Bushy Thoroughwort, Twisted Eupatorium, Narrowleaf Bushy Eupatorium

Eupatorium latidens — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot

Eupatorium lecheifolium — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Eupatorium maculatum var. maculatum — Spotted Joe-pye-weed

Eupatorium purpureum var. purpureum — Purple-node Joe-pye-weed, Sweet Joe-pye-weed

Eupatorium purpureum var. purpureum — Carolina Joe-Pye-weed, Downy Sweet Joe-Pye-weed

Eupatorium roanensis — Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot

Eupatorium rotundifolium var. saundersii — Rough Boneset, Ragged Eupatorium

Eupatorium rugosum var. roanense — Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot

Eupatorium rugosum var. rugosum — Common White Snakeroot, Common Milk-poison

Eupatorium sessilifolium — Upland Boneset, Sessile-leaf Eupatorium

Eupatorium sessilifolium — Britton's Upland Boneset, Britton's Eupatorium

Eupatorium sessilifolium — Godfrey's Thoroughwort, Godfrey's Eupatorium

Eupatorium sessilifolium — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Eupatorium steelei — Appalachian Joe-pye-weed, Steele's Joe-pye-weed

Eupatorium tortifolium — Narrowleaf Bushy Thoroughwort, Twisted Eupatorium, Narrowleaf Bushy Eupatorium

Eupatorium trifoliatum — Carolina Joe-Pye-weed, Downy Sweet Joe-Pye-weed

Eupatorium trifoliatum — Purple-node Joe-pye-weed, Sweet Joe-pye-weed

Eupatorium urticifolium — Common White Snakeroot, Common Milk-poison

Eupatorium verbenaefolium — Rough Boneset, Ragged Eupatorium

Euphorbia arundelana — Carolina Ipecac, Wild Ipecac, American Ipecac

Euphorbia commutata var. commutata — Woodland Spurge, Tinted Spurge, Wood Spurge

Euphorbia commutata var. erecta — Woodland Spurge, Tinted Spurge, Wood Spurge

Euphorbia corollata var. mollis — Eastern Flowering Spurge

Euphorbia corollata var. paniculata — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge

Euphorbia esula — Wolf's-milk, Leafy Spurge

Euphorbia esula ssp. esula — Wolf's-milk, Leafy Spurge

Euphorbia heterophylla var. heterophylla — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Euphorbia lathyrus — Caper Spurge, Myrtle Spurge, Mole Plant

Euphorbia marilandica — Eastern Flowering Spurge

Euphorbia preslii — Eyebane, Upright Spotted Spurge, Nodding Spurge

Euphorbia zinniiflora — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge

Euthamia ×hirtipes — Marsh Flattop Goldenrod

Euthamia ×hirtipes — Mid-atlantic Goldentop

Euthamia graminifolia var. hirtipes — Marsh Flattop Goldenrod

Euthamia hirtipes — Marsh Flattop Goldenrod

Euthamia minor — Carolina Goldentop, Slender Flattop Goldenrod

Euthamia tenuifolia — Carolina Goldentop, Slender Flattop Goldenrod

Euthamia tenuifolia var. microcephala — Carolina Goldentop, Slender Flattop Goldenrod

Eutrochium maculatum — Spotted Joe-pye-weed

Facelis apiculata — Trampweed, Fluffweed

Fagopyrum sagittatum — Buckwheat

Falcata comosa — American Hog-peanut

Fallopia aubertii — Lace Vine, Silver-lace-vine, China Fleece-vine, Russian Vine

Fallopia cilinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed

Fallopia cristata — Common Climbing Buckwheat

Fallopia japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat

Fallopia japonica var. japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat

Fallopia sachalinensis — Giant Knotweed, Sachaline

Festuca arundinacea — Tall Fescue, Alta Fescue

Festuca elatior var. arundinacea — Tall Fescue, Alta Fescue

Festuca elatior var. pratensis — Meadow Fescue

Festuca ovina var. duriuscula — Hard Fescue

Festuca ovina var. ovina — Hard Fescue

Festuca perennis — Italian Ryegrass, Annual Ryegrass

Festuca perennis — English Ryegrass, Perennial Ryegrass

Festuca pratensis — Meadow Fescue

Festuca shortii — Cluster Fescue

Festuca temulentum — Darnel Ryegrass, Darnel

Ficaria calthifolia — Fig Buttercup, Lesser Celandine, Pilewort

Ficaria fertilis — Fig Buttercup, Lesser Celandine, Pilewort

Ficaria grandiflora — Fig Buttercup, Lesser Celandine, Pilewort

Ficaria verna — Fig Buttercup, Lesser Celandine, Pilewort

Filipendula ulmaria var. ulmaria — Queen-of-the-Meadow, Meadowsweet

Fimbristylis harperi — Carolina Fimbry

Fissipes acaulis — Pink Lady's Slipper, Mocassin Flower

Foeniculum foeniculum — Fennel

Forestiera globularis — Florida-privet, Florida Forestiera

Forestiera pinetorum — Florida-privet, Florida Forestiera

Forestiera porulosa — Florida-privet, Florida Forestiera

Forestiera pubescens — Godfrey's Forestiera

Forestiera segregata var. pinetorum — Florida-privet, Florida Forestiera

Forsythia ×intermedia [suspensa × viridissima] — Border Forsythia, showy forsythia

Fothergilla gardeni — Coastal Witch-alder, Pocosin Witch-alder, Dwarf Witch-alder, Fothergilla

Fragaria ×ananassa ssp. ananassa — Garden Strawberry, Cultivated Strawberry

Fragaria ananasa ssp. ananasa — Garden Strawberry, Cultivated Strawberry

Fragaria ananassa — Garden Strawberry, Cultivated Strawberry

Fragaria australis — Wild Strawberry

Fragaria chiloensis × virginiana — Garden Strawberry, Cultivated Strawberry

Fragaria chiloensis var. ananassa — Garden Strawberry, Cultivated Strawberry

Fragaria grayana — Wild Strawberry

Fragaria vesca var. americana — Wood Stawberry, American Woodland Strawberry

Fragaria virginiana ssp. grayana — Wild Strawberry

Fragaria virginiana var. virginiana — Wild Strawberry

Fraxinus darlingtonii — Green Ash, Red Ash

Fraxinus michauxii — Pumpkin Ash

Froelichia braunii — Slender Cottonweed

Fumaria officinalis ssp. wirtgenii — Fumitory, Earthsmoke

Funastrum angustifolium — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum

Gaillardia chrysantha — Yellow Sandhill Gaillardia, Yellow Prairie Gaillardia

Gaillardia drummondii — Common Blanket-flower, Gaillardia, Firewheel, Indian Blanket Flower

Gaillardia lanceolata — Sandhill Gaillardia, Rayless Blanketflower, Lanceleaf Blanketflower, Prairie Gaillardia

Gaillardia lanceolata var. lanceolata — Sandhill Gaillardia, Rayless Blanketflower, Lanceleaf Blanketflower, Prairie Gaillardia

Gaillardia picta — Beach Blanket-flower, Gaillardia, Firewheel, Indian Blanket Flower

Galactia brevipes — Smooth Milkpea, Common Milkpea

Galactia floridana var. microphylla — Littleleaf Milkpea, Little Milkpea

Galactia glabella — Pine-barren Milkpea

Galactia macreei — Downy Milkpea, Hairy Milkpea, Twining Milkpea, Eastern Milkpea

Galactia michauxii — Pine-barren Milkpea

Galactia mohlenbrockii var. halei — Cluster-pea, Boykin's Clusterpea

Galactia mohlenbrockii var. mohlenbrockii — Cluster-pea, Boykin's Clusterpea

Galactia volubilis var. volubilis — Smooth Milkpea, Common Milkpea

Galarhoeus austrinus — Woodland Spurge, Tinted Spurge, Wood Spurge

Galarhoeus commutatus — Woodland Spurge, Tinted Spurge, Wood Spurge

Galarhoeus cyparissias — Cypress Spurge, Graveyard Spurge

Galarhoeus darlingtonii — Glade Spurge, Darlington Spurge, Purple Spurge

Galarhoeus lathyrus — Caper Spurge, Myrtle Spurge, Mole Plant

Galeorchis spectabilis — Showy Orchis

Galium circaezans var. circaezans — Forest Bedstraw, Licorice Bedstraw

Galium circaezans var. hypomalacum — Forest Bedstraw, Licorice Bedstraw

Galium claytonii — Stiff Marsh Bedstraw, Dye Bedstraw, Three-lobed Bedstraw

Galium erectum — white bedstraw

Galium filifolium — Carolina Bedstraw

Galium mollugo var. erectum — white bedstraw

Galium mollugo var. mollugo — False Baby's Breath, Smooth Bedstraw, Hedge Bedstraw, Wild Madder

Galium obtusum — Bluntleaf Bedstraw

Galium obtusum — Carolina Bedstraw

Galium obtusum ssp. australe — Bluntleaf Bedstraw

Galium orizabense — Bald Bedstraw, Smoothstem Bedstraw

Galium pilosum var. laevicaule — Bald Bedstraw, Smoothstem Bedstraw

Galium pilosum var. pilosum — Hairy Bedstraw

Galium pilosum var. puncticulosum — Hairy Bedstraw

Galypola incarnata — Pink Milkwort, Procession-flower

Gamochaeta coarctata — Elegant Cudweed, Shiny Cudweed, American Everlasting

Gaura michauxii — Threadstalk Gaura, Slenderstalk Beeblossom

Gaylussacia dumosa var. bigeloviana — Northern Dwarf Huckleberry, Bog Huckleberry

Gaylussacia dumosa var. dumosa — Southern Dwarf Huckleberry

Gaylussacia frondosa var. nana — Dwarf Dangleberry, Confederate Huckleberry

Gentiana cherokeensis — Soapwort Gentian, Harvestbells

Gentiana flavida — Pale Gentian, Plain Gentian

Gentiana porphyrio — Pinebarren Gentian, Autumn Gentian

Gentianella quinquefolia var. quinquefolia — Stiff Gentian, Appalachian Gentianella, Fivefinger Gentian, Eastern Agueweed

Geobalanus pallidus — Gopher-apple, Ground-oak

Geranium carolinianum var. confertiflorum — Carolina Cranesbill

Gerardia acuta — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove

Gerardia aphylla — Scaleleaf Gerardia, Scaleleaf Agalinis, Scaleleaf False Foxglove

Gerardia decemloba — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove

Gerardia fasciculata — Fascicled Purple Gerardia, Southeastern Agalinis, Beach False Foxglove, Fascicled Gerardia

Gerardia flava + — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove

Gerardia gattingeri — Gattinger's Gerardia, Midwestern Agalinis, Gattinger's Agalinis, Gattinger's False Foxglove

Gerardia laevigata — Appalachian Oak-leach, Smooth False Foxglove, Entireleaf Yellow False Foxglove

Gerardia linifolia — Flaxleaf Gerardia, Scaleleaf Agalinis, Flaxleaf False Foxglove, Flaxleaf Agalinis

Gerardia maritima — Seaside Gerardia, Southern Saltmarsh Agalinis, Saltmarsh False Foxglove

Gerardia maritima var. grandiflora — Seaside Gerardia, Southern Saltmarsh Agalinis, Saltmarsh False Foxglove

Gerardia obtusifolia — Bluntleaf Gerardia, Bluntleaf Agalinis, Bluntleaf False Foxglove, Tenlobe False Foxglove

Gerardia patula — Cumberland Oak-leach, Spreading Yellow False Foxglove

Gerardia pectinata — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove

Gerardia pedicularia + — Fernleaf False Foxglove, Annual Oak-leach, Fernleaf Yellow False Foxglove

Gerardia purpurea — Purple Gerardia, Common Agalinis, Purple False Foxglove

Gerardia purpurea var. racemulosa — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove

Gerardia racemulosa — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove

Gerardia setacea — Threadleaf Gerardia, Threadleaf Agalinis, Threadleaf False Foxglove, Sandhills Gerardia

Gerardia tenuifolia var. tenuifolia — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia

Gerardia virginica — Downy False Foxglove, Downy Oak-leach, Virginia Oak-leach, Downy Yellow False Foxglove

Geum aleppicum var. strictum — Yellow Avens

Geum donianum — Southern Barren Stawberry

Geum fragarioides — Southern Barren Stawberry

Geum fragarioides — Northern Barren Strawberry

Geum hirsutum — Pale Avens, Cream Avens

Geum laciniatum var. laciniatum — Rough Avens

Geum laciniatum var. trichocarpum — Rough Avens

Geum lobatum — Piedmont Barren Strawberry, Lobed Barren Strawberry

Gilia rubra — Standing-cypress, Spanish-larkspur

Gladiolus dalenii — Gladiolus

Glandularia tenuisecta — Moss Vervain, South American Vervain, Moss Verbena

Globifera umbrosa — Shade Mudflower

Glyceria septentrionalis var. septentrionalis — Eastern Mannagrass, Floating Mannagrass

Glycine apios — American Groundnut, Common Groundnut

Gnaphalium calviceps — Narrowleaf Cudweed, Caribbean Everlasting, Delicate Everlasting

Gnaphalium calviceps — Narrowleaf Cudweed, Narrowleaf Purple Everlasting

Gnaphalium falcatum — Narrowleaf Cudweed, Caribbean Everlasting, Delicate Everlasting

Gnaphalium falcatum — Narrowleaf Cudweed, Narrowleaf Purple Everlasting

Gnaphalium peregrinum — Wandering Cudweed, Pennsylvania Everlasting

Gnaphalium purpureum — Silvery Cudweed, Silvery Everlasting

Gnaphalium purpureum — White-cloaked Cudweed, Snow-white Everlasting

Gnaphalium purpureum — Spoonleaf Purple Everlasting, Purple Cudweed

Gnaphalium spathulatum — Wandering Cudweed, Pennsylvania Everlasting

Gonolobus carolinensis — Carolina Spinypod, Climbing Milkweed, Climbing Milkvine, Maroon Carolina Milkvine

Gonolobus decipiens — Deceptive Spinypod

Gonolobus gonocarpos — Eastern Anglepod

Gonolobus laevis — Bluevine, Sandvine, Honeyvine

Gonolobus obliquus — Northern Spinypod, Limerock Milkvine, Climbing Milkvine

Gonolobus pubiflorus — Trailing Milkvine, Sandhill Spinypod

Gonolobus shortii — Northern Spinypod, Limerock Milkvine, Climbing Milkvine

Gossypium herbaceum — Upland Cotton, Short-staple Cotton

Gratiola virginiana var. aestuariorum — Roundfruit Hedge-hyssop, Virginia Hedge-hyssop

Gratiola virginiana var. virginiana — Roundfruit Hedge-hyssop, Virginia Hedge-hyssop

Grossularia curvata — Granite Gooseberry

Grossularia cynosbati — Prickly Gooseberry, Dogberry

Grossularia echinella — Miccosukee Gooseberry, Spiny Gooseberry, Florida Gooseberry

Grossularia missouriensis — Missouri Gooseberry

Grossularia rotundifolia — Roundleaf Gooseberry, Appalachian Gooseberry

Guilandina crista — Gray Nicker, Holdback

Gymnadeniopsis clavellata — Small Green Wood Orchid, Club-spur Orchid, Woodland Orchid, Streamhead Orchid

Gymnadeniopsis integra — Yellow Fringeless Orchid, Golden Frog Orchid, Golden Fringeless Orchid, Golden Frog Arrow

Gymnadeniopsis nivea — Snowy Orchid, Bog-spike

Gyrotheca tinctoria — Carolina Redroot

Habenaria blephariglottis var. conspicua — Large White Fringed Orchid, Southern White Fringed Orchid

Habenaria clavellata var. wrightii — Small Green Wood Orchid, Club-spur Orchid, Woodland Orchid, Streamhead Orchid

Habenaria fimbriata — Large Purple Fringed Orchid, Plume-royal, Greater Purple Fringed Orchid

Halesia monticola — Mountain Silverbell

Hamamelis virginiana var. henryi — Small-leaved Witch-hazel

Hamamelis virginiana var. parvifolia — Northern Witch-hazel

Harperella fluviatilis — Harperella, piedmont mock bishopweed

Harperella vivipara — Harperella, piedmont mock bishopweed

Hartmannia speciosa — Showy Evening Primrose, White Evening Primrose, Pink-ladies, Pink Evening Primrose

Hedeoma hispidum — Rough Pennyroyal, Rough False Pennyroyal, Mock Pennyroyal

Hedera helix ssp. helix — English Ivy, Common Ivy

Hedera helix ssp. hibernica — Atlantic Ivy, Irish Ivy

Hedera helix var. hibernica — Atlantic Ivy, Irish Ivy

Hedyotis australis — Southern Bluet

Hedyotis boscii — Bosc's Bluet

Hedyotis caerulea — Quaker Ladies, Common Bluet, Innocence, Azure Bluet

Hedyotis canadensis — Canada Bluet

Hedyotis corymbosa — Diamond-flower, Flattop Mille-graines

Hedyotis crassifolia — Tiny Bluet, Small Bluet

Hedyotis longifolia — Eastern Longleaf Bluet

Hedyotis longifolia — Narrowleaf Bluet, Diffuse-branched Bluet

Hedyotis longifolia — Granite Dome Bluet

Hedyotis michauxii — Thymeleaf Bluet, Appalachian Bluet, Prostrate Bluet, Marsh Bluet

Hedyotis nigricans — Diamond-flower, Glade Bluet, Prairie Bluet

Hedyotis nigricans var. nigricans — Diamond-flower, Glade Bluet, Prairie Bluet

Hedyotis nuttalliana — Narrowleaf Bluet, Diffuse-branched Bluet

Hedyotis procumbens — Creeping Bluet, Roundleaf Bluet, Trailing Bluet, Fairy-footprints

Hedyotis purpurea — Summer Bluet, Mountain Bluet, Woodland Bluet, Purple Bluet

Hedyotis purpurea — Lanceleaf Bluet, Midwestern Summer Bluet, Glade Mountain Houstonia, Venus's Pride

Hedyotis purpurea — Roan Mountain Bluet

Hedyotis purpurea var. calycosa — Lanceleaf Bluet, Midwestern Summer Bluet, Glade Mountain Houstonia, Venus's Pride

Hedyotis purpurea var. montana — Roan Mountain Bluet

Hedyotis rosea — Rose Bluet, Pygmy Bluet

Hedyotis uniflora — Oldenlandia, Clustered Bluet

Helanthium parvulum — Mud-babies, Dwarf-burhead, Pigmy Chain-sword

Helenium autumnale var. parviflorum — Common Sneezeweed

Helenium curtisii — Littleleaf Sneezeweed, Shortleaf Sneezeweed

Helenium helenium — Savannah Sneezeweed, Spring Helenium

Helenium latifolium — Common Sneezeweed

Helenium nudiflorum — Purplehead Sneezeweed, Southern Sneezeweed

Helenium parviflorum — Common Sneezeweed

Helenium polyphyllum — Purplehead Sneezeweed, Southern Sneezeweed

Helenium tenuifolium — Bitterweed, Yellow Sneezeweed, Bitter Sneezeweed

Helianthus ×laetiflorus — Showy Sunflower, cheerful sunflower

Helianthus ×verticillatus — Whorled Sunflower

Helianthus alienus — Tall Sunflower, Swamp Sunflower, Tuberous Sunflower, Giant Sunflower

Helianthus cucumerifolius — Cucumber-leaf Sunflower, Beach Sunflower

Helianthus debilis — East Florida Beach Sunflower

Helianthus dowellianus — Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower

Helianthus laetiflorus var. laetiflorus — Showy Sunflower, cheerful sunflower

Helianthus laetiflorus var. rigidus — Stiff Sunflower

Helianthus montanus — Roughleaf Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower

Helianthus occidentalis var. dowellianus — Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower

Helianthus reindutus — Smooth Sunflower, Shale-barren Sunflower

Helianthus rigidus — Stiff Sunflower

Helianthus saxicola — Thinleaf Sunflower, Forest Sunflower

Helianthus saxicolus — Roughleaf Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower

Helianthus validus — Tall Sunflower, Swamp Sunflower, Tuberous Sunflower, Giant Sunflower

Heliopsis minor — Smooth Oxeye, Pineywoods Oxeye, Coastal Plain Sunflower-everlasting, Coastal Plain Oxeye

Hemerocallis flava — Yellow Daylily, Lemon Daylily

Hemerocallis lilio-asphodelus — Yellow Daylily, Lemon Daylily

Hemionitis alabamensis — Alabama Lipfern, Smooth Lipfern

Hemionitis atropurpurea — Purple Cliffbrake

Hemionitis bradburii — Woolly Lipfern

Hemionitis hispida — Copper Fern, Hispid Bommer Fern, Hairy Bommer

Hemionitis lanosa — Hairy Lipfern

Hemionitis sinuata — Wavy Cloak Fern, Wavy Scaly Cloak Fern

Hemionitis ternifolia — Arizona Cliffbrake

Hemionitis wrightiana — Wright's Cliffbrake

Hepatica acuta — Sharp-lobed Hepatica, Sharp-lobed Liverleaf

Hepatica hepatica — Round-lobed Hepatica, Round-lobed Liverleaf

Heracleum sphondylium ssp. montanum — Cow-parsnip, American Hogweed, Masterwort

Herpestis rotundifolia — Tropical Water-hyssop

Herpothamnus crassifolius — Creeping Blueberry

Hesperis pinnatifida — Purple Rocket

Heterotheca aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster

Heterotheca aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Heterotheca correllii — Common Silkgrass, Grassleaf Goldenaster

Heterotheca graminifolia — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Heterotheca graminifolia — Narrowleaf Silkgrass, Grassleaf Goldenaster

Heterotheca graminifolia — Common Silkgrass, Grassleaf Goldenaster

Heterotheca hyssopifolia var. subulata — Scrub Goldenaster

Heterotheca latifolia var. latifolia — Camphorweed

Heterotheca microcephala var. microcephala — Narrowleaf Silkgrass, Grassleaf Goldenaster

Heterotheca microcephala var. microcephala — Smallhead Silkgrass, Grassleaf Goldenaster

Heterotheca oligantha — Narrowleaf Goldenaster, Few-flowered Goldenaster, Bog Goldenaster

Heterotheca pilosa — Soft Goldenaster, Hairy Goldenaster

Heterotheca ruthii — Ruth's Goldenaster

Heterotheca subaxillaris ssp. latifolia — Camphorweed

Heterotheca subaxillaris ssp. subaxillaris — Camphorweed

Heterotheca subaxillaris var. latifolia — Camphorweed

Heterotheca subaxillaris var. subaxillaris — Camphorweed

Heuchera ×hispida — Purple Alumroot, Hispid Alumroot

Heuchera americana var. caroliniana — Carolina Alumroot

Heuchera calycosa — American Alumroot

Heuchera curtisii — American Alumroot

Heuchera lancipetala — American Alumroot

Hexalectris spicata var. spicata — Crested Coralroot, Spiked Crested Coralroot, Brunetta

Hexastylis memmingeri — Virginia Heartleaf

Hexastylis virginicum — Variable-leaf Heartleaf

Hibiscus esculentus — Okra, Gumbo

Hibiscus incanus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton

Hibiscus lasiocarpus — Western Rosemallow

Hibiscus moscheutos ssp. incanus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton

Hibiscus moscheutos ssp. lasiocarpos — Western Rosemallow

Hibiscus moscheutos ssp. palustris — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton

Hibiscus oculiroseus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton

Hibiscus palustris — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton

Hibiscus pentacarpos — Southern Seashore Mallow, Seashore Marshmallow, Virginia Saltmarsh Mallow, Fen-rose

Hicora texana — Black Hickory

Hicoria alba — Mockernut Hickory, White Hickory

Hicoria aquatica — Water Hickory, Bitter Pecan

Hicoria austrina — Pignut Hickory

Hicoria carolinae-septentrionalis — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory

Hicoria cordiformis var. cordiformis — Bitternut Hickory

Hicoria cordiformis var. latifolia — Bitternut Hickory

Hicoria floridana — Scrub Hickory

Hicoria glabra var. glabra — Pignut Hickory

Hicoria glabra var. hirsuta — Pignut Hickory

Hicoria laciniosa — Big Shellbark Hickory, Kingnut Hickory

Hicoria microcarpa — Red Hickory, Sweet Pignut Hickory

Hicoria myristiciformis — Nutmeg Hickory

Hicoria ovata — Common Shagbark Hickory

Hicoria pallida — Sand Hickory, Pale Hickory

Hicoria pecan — Pecan

Hicoria texana — Pecan

Hieracium flagellare — Whiplash Hawkweed

Hieracium venosum var. nudicaule — Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed

Hieracium venosum var. venosum — Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed

Holcus halepensis — Johnsongrass

Holcus sorghum — Sorghum, Milo, Broomcorn, Sorgo

Homalocenchrus lenticularis — Catchfly Cutgrass, Oatmeal Grass

Homalocenchrus oryzoides — Rice Cutgrass

Homalocenchrus virginicus — White Cutgrass, Whitegrass, Virginia Cutgrass

Homalosorus pycnocarpos — Glade Fern

Hordeum vulgare ssp. vulgare — Barley

Hordeum vulgare var. trifurcatum — Barley

Hordeum vulgare var. vulgare — Barley

Houstonia angustifolia — Diamond-flower, Glade Bluet, Prairie Bluet

Houstonia longifolia var. tenuifolia — Narrowleaf Bluet, Diffuse-branched Bluet

Houstonia minima — Tiny Bluet, Small Bluet

Houstonia rotundifolia — Creeping Bluet, Roundleaf Bluet, Trailing Bluet, Fairy-footprints

Hudsonia ericoides ssp. ericoides — Northern Golden-heather

Hudsonia ericoides ssp. montana — Mountain Golden-heather

Hudsonia ericoides ssp. tomentosa — Woolly Beach-heather

Hudsonia tomentosa var. intermedia — Woolly Beach-heather

Hugeria erythrocarpa — Bearberry, Highbush Cranberry, Mountain Cranberry

Huperzia selago — Appalachian Firmoss, Appalachian Fir-clubmoss

Hydatica petiolaris — Michaux's Saxifrage, Cliff Saxifrage

Hydrangea arborescens var. deamii — Ashy Hydrangea, Southern Wild Hydrangea

Hydrangea arborescens var. discolor — Ashy Hydrangea, Southern Wild Hydrangea

Hydrocotyle australis — Whorled Marsh-pennywort, Water-pennywort

Hydrocotyle canbyi — Whorled Marsh-pennywort, Water-pennywort

Hydrophyllum virginicum — Virginia Waterleaf, Eastern Waterfleaf

Hydrophyllum virginicum — Appalachian Waterleaf

Hydrotrida caroliniana — Blue Water-hyssop, Sweet Water-hyssop, Carolina Water-hyssop, Lemon Bacopa

Hymenocallis caroliniana — Rocky-shoals Spiderlily, Catawba Spiderlily, Carolina Spiderlily, Cahaba Lily

Hymenocallis caroliniana — Hammock Spiderlily, Woodland Spiderlily, Northern Spiderlily

Hymenocallis floridana — Carolina Spiderlily, Florida Spiderlily

Hymenocallis palmeri — Pygmy Spiderlily, Waccamaw Spiderlily, dwarf spiderlily

Hypericum ×mitchellianum — Blue Ridge St. Johnswort

Hypericum acutifolium — Strict St. Johnswort, Sharpleaf St. Johnswort

Hypericum acutifolium — Harper's St. Johnswort

Hypericum ambiguum — bedstraw St. Johnswort

Hypericum aspalathoides — Sandhill St. Johnswort, Atlantic St. Johnswort

Hypericum aspalathoides — Shortleaf St. Johnswort

Hypericum aureum — Golden St. Johnswort, Cedar Glade St. Johnswort

Hypericum densiflorum var. interior — Interior Bushy St. Johnswort

Hypericum densiflorum var. lobocarpum — Five-lobe St. Johnswort, Interior St. Johnswort

Hypericum denticulatum var. recognitum — Strict St. Johnswort, Sharpleaf St. Johnswort

Hypericum glomeratum — Mountain Bushy St. Johnswort, Dense-flowered St. Johnswort

Hypericum mutilum ssp. mutilum — Common Dwarf St. Johnswort

Hypericum nitidum ssp. nitidum — Sandweed St. Johnswort

Hypericum opacum — Roundpod St. Johnswort

Hypericum perforatum ssp. perforatum — European St. Johnswort, Common St. Johnswort, Klamath-weed

Hypericum spathulatum — Shrubby St. Johnswort

Hypericum sphaerocarpon var. sphaerocarpon — Barrens St. Johnswort, Roundfruit St. John's-wort

Hypericum sphaerocarpum var. turgidum — Barrens St. Johnswort, Roundfruit St. John's-wort

Hypericum splendens — Golden St. Johnswort, Cedar Glade St. Johnswort

Hypericum subpetiolatum — Spotted St. Johnswort

Hypericum tubulosum var. tubulosum — Southern Marsh St. Johnswort

Hypericum tubulosum var. walteri — Walter’s Marsh St. Johnswort, Greater Marsh St. Johnswort

Hypericum turgidum — Barrens St. Johnswort, Roundfruit St. John's-wort

Hypopitys americana — Eastern Pinesap

Hypopitys americana — Appalachian Red Pinesap, Hairy Pinesap

Hypopitys monotropa — Eastern Pinesap

Hypopitys monotropa — Appalachian Red Pinesap, Hairy Pinesap

Hypoxis leptocarpa — Swamp Stargrass, Curtiss’s Stargrass

Hyptis radiata — Musky Mint, Cluster Bushmint

Hystrix hystrix — Common Bottlebrush Grass, Eastern Bottlebrush-grass

Ibidium beckii — Little Ladies'-tresses, Little Pearl-twist

Ibidium cernuum — Nodding Ladies'-tresses

Ibidium floridanum — Florida Ladies'-tresses

Ibidium gracile — Southern Slender Ladies'-tresses

Ibidium laciniatum — Lace-lip Ladies'-tresses, Lace-lip Spiral Orchid

Ibidium longilabre — Longhorn Ladies'-tresses, Giant Spiral Orchid, Giant Spiral Ladies'-tresses, Long-lipped Ladies'-tresses

Ibidium ochroleucum — Yellow Ladies'-tresses, Yellow Nodding Ladies'-tresses

Ibidium odoratum — Fragrant Ladies'-tresses, Marsh Ladies'-tresses

Ibidium ovale — Lesser Ladies'-tresses, Oval Ladies'-tresses, October Ladies'-tresses

Ibidium ovale — Oval Ladies'-tresses

Ibidium plantagineum — Shining Ladies'-tresses

Ibidium praecox — Grassleaf Ladies'-tresses, Giant Ladies'-tresses

Ibidium praecox — Woodland Ladies'-tresses, Pale Green Ladies'-tresses

Ibidium vernale — Spring Ladies'-tresses

Ilex ambigua var. monticola — Mountain Holly, Mountain Winterberry

Ilex beadlei — Carolina Holly

Ilex buswellii — Carolina Holly

Ilex decidua var. curtissii — Suwanee Possumhaw, Curtiss's Holly

Ilex longipes var. cuthbertii — Cuthbert Holly

Ilex longipes var. longipes — Georgia Holly, Chapman's Holly

Ilex montana var. beadlei — Carolina Holly

Ilex montana var. montana — Mountain Holly, Mountain Winterberry

Ilex monticola — Mountain Holly, Mountain Winterberry

Ilysanthes dubia — Yellowseed False Pimpernel

Ilysanthes monticola — Flatrock Pimpernel, Riverbank Pimpernel, False Pimpernel, Piedmont Pimpernel

Ilysanthes saxicola — Riverbank Pimpernel

Impatiens biflora — Spotted Jewelweed, Spotted Touch-me-not, Orange Jewelweed, Orange Touch-me-not

Imperata cylindrica var. cylindrica — Cogongrass, Bloodroot Grass, Brazilian Satintail

Imperata cylindrica var. mexicana — Brazilian Satintail

Ionoxalis martiana — Windowbox Wood-sorrel

Ionoxalis violacea — Violet Wood-sorrel

Ipomoea coccinea var. hederifolia — Scarlet Creeper

Ipomoea hederacea var. integriuscula — Ivyleaf Morning Glory

Ipomoea pes-caprae — Railroad Vine, Bay Hops, Bay Winders, Goat's-foot

Ipomoea pes-caprae var. emarginata — Railroad Vine, Bay Hops, Bay Winders, Goat's-foot

Ipomoea trifida — Coastal Morning Glory, Tie-vine, Cotton Morning Glory

Iris alticristata — Giant Blue Iris

Iris aurilinea — Giant Blue Iris

Iris citricristata — Giant Blue Iris

Iris elephantina — Giant Blue Iris

Iris flavescens — German Iris, Fleur-de-Lys

Iris fluviatilis — Giant Blue Iris

Iris foliosa — Short-stemmed Iris, Lamance Iris, Zigzag Iris

Iris miraculosa — Giant Blue Iris

Iris mississippiensis — Short-stemmed Iris, Lamance Iris, Zigzag Iris

Iris paludicola — Giant Blue Iris

Iris parvicaerulea — Giant Blue Iris

Iris rivularis — Giant Blue Iris

Iris tripetala — Bay Blue-flag Iris, Flag, Savannah Iris

Iris venulosa — Giant Blue Iris

Iris wherryana — Giant Blue Iris

Isanthus brachiatus — Glade Blue Curls, False Pennyroyal, Fluxweed

Isnardia palustris — Common Water-purslane, Marsh Purslane, Marsh Seedbox

Isnardia repens — Creeping Seedbox

Isnardia spathulata — Southern Water-purslane

Isoetes caroliniana — Mountain Quillwort, Carolina Quillwort, Strong Quillwort

Isoetes engelmannii var. caroliniana — Mountain Quillwort, Carolina Quillwort, Strong Quillwort

Isoetes engelmannii var. engelmannii — Appalachian Quillwort

Isoetes engelmannii var. engelmannii — Engelmann's Quillwort, Appalachian Quillwort

Isoetes engelmannii var. engelmannii — Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Isolepis carinatus — Keeled Bulrush

Isolepis koilolepis — Keeled Bulrush

Isopappus divaricatus — Scratch-daisy, Goldenweed, Slender Scratch-daisy

Isotrema macrophylla — Dutchman's Pipe, Pipevine

Isotrema serpentarium — Turpentine-root, Virginia Snakeroot, Serpent Birthwort

Isotrema tomentosa — Woolly Dutchman's Pipe, Woolly Pipevine

Isotria affinis — Small Whorled Pogonia, Little Five-leaves

Iva annua var. annua — Sumpweed, Rough Marsh-elder, Annual Marsh-elder

Iva annua var. caudata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder

Iva annua var. macrocarpa — Sumpweed, Rough Marsh-elder, Annual Marsh-elder

Iva caudata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder

Iva ciliata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder

Iva frutescens ssp. frutescens — Southern Maritime Marsh-elder, Southern Bigleaf Marsh-elder

Iva oraria — Northern Maritime Marsh-elder

Juncoides bulbosum — Bulbous Woodrush

Juncoides carolinae — Carolina Woodrush, Southern Hairy Woodrush

Juncoides echinatum — Hedgehog Woodrush, Spreading Woodrush

Juncoides saltuense — Hairy Woodrush

Juncus dichotomus var. dichotomus — Forked Rush

Juncus dichotomus var. platyphyllus — Forked Rush

Juncus effusus var. conglomeratus — Soft Rush, Common Rush

Juncus platyphyllus — Forked Rush

Juncus setaceus — Leathery Rush

Juncus tenuis var. dichotomus — Forked Rush

Juncus tenuis var. tenuis — Path Rush, Poverty Rush, Slender Rush

Juncus tenuis var. williamsii — Path Rush, Poverty Rush, Slender Rush

Juniperus sibirica — Ground Juniper, Mountain Juniper, Common Juniper

Jussiaea angustifolia — Mexican Primose-willow

Jussiaea decurrens — Wingstem Water-primrose, Wingleaf Primrose-willow

Jussiaea leptocarpa — Water-willow, Primrose Willow, Anglestem Primrose-willow

Jussiaea michauxiana — Showy Water-primrose, Large-flower Water-primrose

Jussiaea neglecta — South American Seedbox

Jussiaea scabra — Mexican Primose-willow

Jussiaea uruguayensis — Common Water-primrose

Justicia ovata var. angusta — Pineland Water-willow, Narrowleaf Water-willow

Kali tragus ssp. pontica — Southern Saltwort, Carolina Saltwort

Kali tragus ssp. tragus — Northern Saltwort

Kali tragus ssp. tragus — Russian Thistle, Tumbleweed

Kalmia angustifolia var. angustifolia — Northern Sheepkill, Sheep Laurel, Lamb-kill

Kalmia angustifolia var. carolina — Southern Sheepkill, Carolina Wicky, Carolina Sheep Laurel, Carolina Bog Myrtle

Kalmiella hirsuta — Hairy Wicky, Kalmiella

Kneiffia arenicola — Narrowleaf Sundrops

Kneiffia fruticosa — Narrowleaf Sundrops

Kneiffia glauca — Glaucous Sundrops

Kneiffia hybrida — Blue Ridge Sundrops

Kneiffia latifolia — Northern Sundrops, Appalachian Sundrops

Kneiffia linearis — Narrowleaf Sundrops

Kneiffia perennis — Little Sundrops, Small Sundrops

Kneiffia riparia — Riverbank Evening Primrose, Riverbank Sundrops

Kneiffia semiglandulosa — Narrowleaf Sundrops

Kneiffia tetragona — Northern Sundrops, Appalachian Sundrops

Kneiffia velutina — Northern Sundrops, Appalachian Sundrops

Koellia albescens — Whiteleaf Mountain-mint, White Mountain-mint

Koellia aristata — Awned Mountain-mint

Koellia beadlei — Beadle's Mountain-mint

Koellia clinopodioides — basil mountain-mint

Koellia curvipes — Tennessee Mountain-mint, Stone Mountain Mountain-mint, Stone Mountain-mint

Koellia flexuosa — Narrowleaf Mountain-mint, Slender Mountain-mint, Savanna Mountain-mint

Koellia hugeri — Savanna Mountain-mint, Savanna Mint

Koellia hyssopifolia — Savanna Mountain-mint, Savanna Mint

Koellia leptodon — Whorled Mountain-mint

Koellia leptodon — Torrey's Mountain-mint

Koellia montana — Appalachian Mountain-mint, Thinleaf Mountain-mint

Koellia mutica — Short-toothed Mountain-mint, Downy Mountain-mint, Clustered Mountain-mint

Koellia nuda — Smooth Mountain-mint

Koellia pycnanthemoides — Woodland Mountain-mint, Southern Mountain-mint

Koellia verticillata — Whorled Mountain-mint

Koellia virginiana — Virginia Mountain-mint

Kosteletzkya althaeifolia — Southern Seashore Mallow, Seashore Marshmallow, Virginia Saltmarsh Mallow, Fen-rose

Krameria spathulata — Trailing Ratany, Sandspur, Prairie-bur, Trailing Krameria

Kraunhia floribunda — Japanese Wisteria

Kraunhia frutescens — American Wisteria, Swamp Wisteria, Atlantic Wisteria

Kraunhia macrostachya — Mississippi Wisteria, American Wisteria, Swamp Wisteria, Kentucky Wisteria

Krigia caespitosa var. caespitosa — Opposite-leaf Dwarf-dandelion

Krigia cespitosa var. cespitosa — Opposite-leaf Dwarf-dandelion

Kuhnistera pinnata — Summer Farewell

Kuhnistera pinnata — Summer Farewell, Eastern Prairie-clover

Kyllinga brevifolioides — Asiatic Greenhead Sedge, Pasture Flatsedge

Lachnanthes tinctoria — Carolina Redroot

Lachnocaulon eciliatum — Brown Bogbutton

Lachnocaulon floridanum — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton

Lachnocaulon glabrum — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton

Lacinaria gracilis — Slender Blazing-star

Lacinaria polyphylla — Narrowleaf Blazing-star, Smallhead Blazing-star

Laciniaria aspera var. aspera — Rough Blazing-star

Laciniaria aspera var. spheroidea — Rough Blazing-star

Laciniaria chapmanii — Chapman's Blazing-star

Laciniaria chlorolepis — Garber’s Blazing-star

Laciniaria elegans — Common Elegant Blazing-star

Laciniaria elegans — Kral's Elegant Blazing-star

Laciniaria flabellata — Common Elegant Blazing-star

Laciniaria garberi — Garber’s Blazing-star

Laciniaria gracilis — Slender Blazing-star

Laciniaria graminifolia — Grassleaf Blazing-star, Shaggy Blazing-star

Laciniaria helleri — Smooth Blazing-star, Heller's Blazing-star

Laciniaria laxa — Slender Blazing-star

Laciniaria microcephala — Narrowleaf Blazing-star, Smallhead Blazing-star

Laciniaria nashii — Garber’s Blazing-star

Laciniaria pycnostachya — Prairie Blazing-star

Laciniaria regimontis — Wand Blazing-star

Laciniaria ruthii — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star

Laciniaria scariosa — Northern Blazing-star

Laciniaria secunda — Sandhill Blazing-star, One-sided Blazing-star, Lax Blazing-star

Laciniaria shortii — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star

Laciniaria smallii — Wand Blazing-star

Laciniaria spicata — Dense Blazing-star, Mountain Blazing-star, Florist's Gayfeather, Dense Gayfeather

Laciniaria spicata — Dense Blazing-star, Bog Blazing-star

Laciniaria squarrosa — Scaly Blazing-star, Squarrose Gayfeather, Longbracted Blazing-star

Laciniaria tenuifolia — Shortleaf Blazing-star, Shortleaf Gayfeather, Slender Blazing-star

Laciniaria tracyi — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star

Lactuca floridana var. villosa — Woodland Lettuce

Lactuca hirsuta var. hirsuta — Red Wood Lettuce, Downy Lettuce, Hairy Lettuce

Lactuca sagittifolia — American Wild Lettuce, Canada Lettuce

Lactuca serriola var. integrata — Prickly Lettuce

Lactuca virosa — Prickly Lettuce

Lantana camara ssp. camara — Common Lantana, Hedgeflower

Lantana sellowiana — Trailing Shrub-verbena, Polecat-geranium, Trailing Lantana

Lapithea capitata — Cumberland Rose-gentian, Appalachian Rose-gentian

Lapithea gentianoides — Pinewoods Rose-gentian, Pinewoods Rose-pink

Lappula virginiana — Virginia Stickseed

Lasiococcus dumosus — Southern Dwarf Huckleberry

Lasiococcus mosieri — Mosier's Huckleberry, Hirsute Huckleberry

Lasiococcus orocola — Blue Ridge Bog Huckleberry, Blue Ridge Huckleberry

Laurocerasus caroliniana — Carolina Cherry Laurel, Carolina Laurel Cherry

Lavauxia triloba — Stemless Evening Primrose

Leavenworthia exigua — Tennessee Gladecress, Least Glade-cress

Lechea myriophylla — Deckert's Pinweed

Lecticula resupinata — Northeastern Bladderwort, Resupinate Bladderwort, Lavender Bladderwort

Leiophyllum buxifolium var. prostratum — Sand-myrtle, Mountain Myrtle

Leiophyllum hugeri — Sand-myrtle, Mountain Myrtle

Leiophyllum lyonii — Sand-myrtle, Mountain Myrtle

Leontodon erythrospermum — Red-seeded Dandelion

Leontodon taraxacum — Common Dandelion

Lepidium virginicum ssp. virginicum — Poor Man's Pepper, Peppergrass

Leptamnium virginianum — Beechdrops

Leptilon bonariense — South American Horseweed, Hairy Fleabane

Leptilon canadense — Common Horseweed

Leptilon linifolium — South American Horseweed, Hairy Fleabane

Leptilon pusillum — Southern Horseweed

Leptoglottis floridana — Florida Sensitive-briar, Powderpuff Mimosa

Leptoglottis microphylla — Littleleaf Sensitive-briar, Eastern Sensitive-briar

Lespedeza hirta ar. intercursa — Narrow-leaved Lespedeza, Narrowleaf Bush-clover

Lespedeza stuvei — Velvety Lespedeza, Stueve's Bush-clover, Tall Lespedeza

Leucaena glauca — White Leadtree, Leucaena, Jumbie-bean, Hairy Leadtree

Leucanthemum leucanthemum — Oxeye Daisy, Common Daisy

Leucocasia gigantea — Giant Elephant's-ear, Indian Taro

Leucothoe acuminata — Tall Fetterbush, Florida Leucothoe, Florida Hobblebush, Agarista

Leucothoe catesbaei — Mountain Doghobble, Highland Doghobble, Switch-ivy

Leucothoe editorum — Mountain Doghobble, Highland Doghobble, Switch-ivy

Leucothoe walteri — Mountain Doghobble, Highland Doghobble, Switch-ivy

Liatris elegans var. flabellata — Common Elegant Blazing-star

Liatris graminifolia var. virgata — Wand Blazing-star

Liatris pauciflora var. secunda — Sandhill Blazing-star, One-sided Blazing-star, Lax Blazing-star

Liatris spheroidea — Rough Blazing-star

Lilaeopsis attenuata — Carolina Lilaeopsis, Carolina Grasswort, Carolina Strapwort

Lilaeopsis lineata — Marsh Lilaeopsis, Eastern Grasswort, Tidal Strapwort, Fiddler-crab Turf

Lilium canadense ssp. editorum — Canada Lily

Lilium carolinianum — Carolina Lily, Michaux’s Lily

Lilium catesbaei ssp. asperellum — Pine Lily, Catesby's Lily, Leopard Lily

Lilium catesbaei ssp. catesbaei — Pine Lily, Catesby's Lily, Leopard Lily

Lilium catesbaei var. longii — Pine Lily, Catesby's Lily, Leopard Lily

Lilium tigrinum — Tiger Lily

Limodorum multiflorum — Many-flowered Grass-pink

Limodorum pallidum — Pale Grass-pink

Limodorum parviflorum — Bearded Grass-pink

Limodorum pinetorum — Many-flowered Grass-pink

Limodorum tuberosum — Common Grass-pink

Limonium angustatum — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary

Limonium nashii — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary

Limonium nashii + — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary

Limonium obtusilobum — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary

Linaria canadensis var. canadensis — Oldfield Toadflax, Common Toadflax, Canada Toadflax

Linaria canadensis var. texana — Texas Toadflax

Linaria genistifolia ssp. dalmatica — Dalmation Toadflax

Linaria linaria — Butter-and-eggs, Yellow Toadflax, Wild-snapdragon

Lindera benzoin var. benzoin — Northern Spicebush, Wild Allspice

Lindera benzoin var. pubescens — Northern Spicebush, Wild Allspice

Linum floridanum — Yellow-fruited Yellow Flax, Florida yellow flax

Linum floridanum — Florida Yellow Flax, Savanna Flax

Liriodendron tulipifera var. obtusiloba — Coastal Plain Tulip-tree, Southern Yellow Poplar

Liriodendron tulipifera var. obtusiloba — Tulip-tree, Yellow Poplar, Whitewood

Liriope spicatum — Creeping Lily-turf, Liriope

Lobelia bracteata — Pale Spiked Lobelia, Palespike Lobelia

Lobelia cardinalis ssp. cardinalis — Cardinal Flower

Lobelia glandulifera — Georgia Lobelia, southern lobelia

Lobelia leptostachys — Pale Spiked Lobelia, Palespike Lobelia

Lobelia puberula var. mineolana — Downy Lobelia, Hairy Lobelia

Lobelia puberula var. pauciflora — Downy Lobelia, Hairy Lobelia

Lobelia puberula var. simulans — Downy Lobelia, Hairy Lobelia

Lobelia siphilitica var. ludoviciana — Great Blue Lobelia

Lobelia spicata var. campanulata — Pale Spiked Lobelia, Palespike Lobelia

Lobelia spicata var. leptostachys — Pale Spiked Lobelia, Palespike Lobelia

Lobelia spicata var. scaposa — Pale Spiked Lobelia, Palespike Lobelia

Lolium perenne var. aristatum — Italian Ryegrass, Annual Ryegrass

Lolium perenne var. perenne — English Ryegrass, Perennial Ryegrass

Lonicera bella — Bell's Honeysuckle, Pretty Honeysuckle, Showy Honeysuckle

Lonicera dioica var. dioica — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle

Lonicera dioica var. glaucescens — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle

Lonicera flavida — Yellow Honeysuckle

Lonicera glaucescens — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle

Lonicera morrowi — Morrow's Honeysuckle

Lonicera sempervirens var. hirsutula — Coral Honeysuckle, Trumpet Honeysuckle, Scarlet Honeysuckle, Woodbine

Lonicera sempervirens var. sempervirens — Coral Honeysuckle, Trumpet Honeysuckle, Scarlet Honeysuckle, Woodbine

Lophiola septentrionalis — Goldencrest

Lotus americanus — Carolina Prairie-trefoil

Lotus purshianus var. helleri — Carolina Prairie-trefoil

Ludwigia grandiflora var. grandiflora — Showy Water-primrose, Large-flower Water-primrose

Ludwigia grandiflora var. hexapetala — Common Water-primrose

Ludwigia natans — Creeping Seedbox

Ludwigia octovalvis ssp. octovalvis — Mexican Primose-willow

Ludwigia octovalvis ssp. sessiliflora — Mexican Primose-willow

Ludwigiantha arcuata — Pondshore Seedbox, piedmont primrose-willow, Needleleaf Ludwigia

Lunaria annua ssp. annua — Money Plant, Annual Honesty, Silver-dollar Plant

Lupinus nuttallii — Southern Sundial Lupine

Lupinus perennis ssp. perennis var. occidentalis — Northern Sundial Lupine

Luzula campestris var. bulbosa — Bulbous Woodrush

Luzula campestris var. echinata — Hedgehog Woodrush, Spreading Woodrush

Luzula campestris var. multiflora — Common Woodrush

Luzula multiflora ssp. multiflora — Common Woodrush

Lycium carolinianum var. quadrifidum — Christmas-berry, Carolina Matrimony-vine

Lycopodiella caroliniana — Carolina Bog-clubmoss, Slender Clubmoss

Lycopodiella caroliniana — Florida Bog Clubmoss

Lycopodiella caroliniana var. meridionalis — Florida Bog Clubmoss

Lycopodiella cernua — Nodding Clubmoss, Staghorn Clubmoss

Lycopodioides apodum — Meadow Spikemoss

Lycopodioides ludovicianum — Louisiana Spikemoss, Gulf Spikemoss

Lycopodium adpressum — Southern Bog-clubmoss

Lycopodium cernuum — Nodding Clubmoss, Staghorn Clubmoss

Lycopodium inundatum var. bigelovii — Southern Bog-clubmoss

Lycopodium obscurum var. isophyllum — Hickey's Tree-clubmoss, Pennsylvania Ground-pine

Lycopodium prostratum — Featherstem Clubmoss, Prostrate Bog-clubmoss

Lycopodium selago var. appressum — Appalachian Firmoss, Appalachian Fir-clubmoss

Lycopodium selago var. selago — Appalachian Firmoss, Appalachian Fir-clubmoss

Lycopus ×sherardi — bugleweed, water horehound

Lycopus velutinus — Stalked Bugleweed, Taperleaf Bugleweed

Lyonia palustris — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum

Lysias orbiculata — Large Round-leaved Orchid, Dessert-plate Orchid

Lysimachia arvensis — Scarlet Pimpernel, Poor Man's Weatherglass

Lysimachia borealis — Northern Starflower, Maystar

Lysimachia minima — Chaffweed, False-pimpernel

Macbridea pulchra — Carolina Birds-in-a-nest, Carolina Macbridea, Carolina Bogmint

Magnolia cordata — Piedmont Cucumber Magnolia, Yellow Cucumber-tree, Showy Cucumber Magnolia

Magnolia fraseri ssp. pyramidata — Pyramid Magnolia

Magnolia fraseri var. pyramidata — Pyramid Magnolia

Magnolia macrophylla ssp. ashei — Ashe's Magnolia

Magnolia macrophylla ssp. macrophylla — Bigleaf Magnolia, Large-leaved Magnolia, Umbrella Tree

Magnolia macrophylla var. ashei — Ashe's Magnolia

Malachodendron pentagynum — Mountain Camellia, Mountain Stewartia

Malaxis floridana — Florida Adder's-mouth

Malus angustifolia var. angustifolia — Southern Crabapple, Wild Crabapple

Malus angustifolia var. puberula — Southern Crabapple, Wild Crabapple

Malus angustifolia var. puberula — Sweet Crabapple, Wild Crabapple

Malus bracteata — Sweet Crabapple, Wild Crabapple

Malus glaucescens — Sweet Crabapple, Wild Crabapple

Malus lancifolia — Sweet Crabapple, Wild Crabapple

Malus malus — Common Apple

Malus sylvestris — Common Apple

Malva rotundifolia — Common Mallow, Cheeses

Malvaviscus arboreus var. mexicanus — Wax Mallow

Malvaviscus arboreus var. penduliflorus — Turk’s-cap Mallow, Mazapan

Manfreda tigrina — Eastern Agave, Eastern False-aloe, Rattlesnake-master, American Aloe

Manfreda virginica ssp. virginica — Eastern Agave, Eastern False-aloe, Rattlesnake-master, American Aloe

Manisuris campestris — Carolina Jointgrass

Manisuris exaltata — Itch-grass

Mappia origanoides — Wild-oregano, American Dittany, Stone-mint

Marginaria polypodioides — Resurrection Fern, Scaly Polypody

Mariana mariana — Blessed Milk-thistle, Blessed-thistle, Milk-thistle

Marilaunidium jamaicense — Jamaica Weed, Fiddleleaf, Fiddleleaf Nama

Mariscus jamaicensis — Sawgrass

Marshallia graminifolia ssp. tenuifolia — Grassleaf Barbara's-buttons, Gulf Coast Barbara's-buttons

Marshallia laciniarioides — Grassleaf Barbara's-buttons

Marshallia obovata — Piedmont Barbara's-buttons, Spoon-leaved Barbara's-buttons, Spoon-shaped Barbara's-buttons

Marshallia obovata — Sandhill Marshallia, Savanna Barbara's-buttons, Spoon-shaped Barbara's-buttons

Marshallia tenuifolia — Grassleaf Barbara's-buttons, Gulf Coast Barbara's-buttons

Marshallia williamsonii — Grassleaf Barbara's-buttons

Martiusia mariana — Butterfly-pea

Maruta cotula — Stinking Chamomile, Stinking Mayweed, Dog-fennel, Chigger-weed

Matelea suberosa — Eastern Anglepod

Matricaria maritima — Scentless Chamomile, False Chamomile, Mayweed

Matricaria parthenium — Feverfew, Feather-leaf Tansy

Medicago falcata — Alfalfa, Lucerne, Blue Alfalfa

Medicago hispida — Toothed Medick, Smooth Bur-clover

Medicago sativa ssp. falcata — Alfalfa, Lucerne, Blue Alfalfa

Meibomia acuminata — Heartleaf Tick-trefoil, Clusterleaf Tick-trefoil, Pointedleaf Tick-Trefoil

Meibomia arenicola — Matted Tick-trefoil, Sand Tick-trefoil

Meibomia canescens — Hoary Tick-trefoil

Meibomia chapmanii — Panicled Tick-trefoil

Meibomia ciliaris — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil

Meibomia dillenii — Perplexing Tick-trefoil, Dillen's Tick-trefoil

Meibomia laevigata — Smooth Tick-trefoil

Meibomia marilandica — Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil

Meibomia michauxii — Roundleaf Tick-trefoil, Dollarleaf, Prostrate Tick-trefoil, Sessileleaf Tick-trefoil

Meibomia nudiflora — Naked Tick-trefoil, Naked-flowered Tick Trefoil, Woodland Tick-trefoil

Meibomia ochroleuca — White Tick-trefoil, Creamflower Tick-trefoil, Cream Tick-trefoil

Meibomia paniculata — Panicled Tick-trefoil

Meibomia paniculata — Tall Tick-trefoil, Dillen's Tick-trefoil

Meibomia pauciflora — Fewflower Tick-trefoil

Meibomia polymorpha — Matted Tick-trefoil, Sand Tick-trefoil

Meibomia pubens — Panicled Tick-trefoil

Meibomia pubens — Tall Tick-trefoil, Dillen's Tick-trefoil

Meibomia purpurea — Florida Tick-trefoil, dixie tick-trefoil

Meibomia rhombifolia — Fernald's Tick-trefoil

Meibomia rhombifolia — Florida Tick-trefoil

Meibomia rigida — Stiff Tick-trefoil

Meibomia sessilifolia — Sessile-leaf Tick-trefoil

Meibomia stricta — Pinebarren Tick-trefoil, Pineland Tick-trefoil, Upland Slender Tick-trefoil

Meibomia tenuifolia — Slimleaf Tick-trefoil, Savanna Slender Tick-trefoil

Meibomia viridiflora — Nuttall's Tick-trefoil

Meibomia viridiflora — Velvety Tick-trefoil, Velvety Tick-clover

Melaleuca leucadendra — Paperbark Tree, Melaleuca, Punktree, Cajeput Tree

Melaleuca leucodendron — Paperbark Tree, Melaleuca, Punktree, Cajeput Tree

Melampyrum lineare var. americanum — Cow-wheat

Melampyrum lineare var. latifolium — Cow-wheat

Melampyrum lineare var. lineare — Cow-wheat

Melampyrum lineare var. pectinatum — Cow-wheat

Melanthera deltoidea — Snowy Black-anthers, Snow Squarestem

Melanthera ligulata — Snowy Black-anthers, Snow Squarestem

Melanthium dispersum — Virginia Bunchflower, Bog Bunchflower

Melanthium latifolium — Crisped Bunchflower, Broadleaf Bunchflower, Slender Bunchflower

Melochia villosa — Bretonica-peluda

Melothria microcarpa — Creeping Cucumber

Melothria nashii — Creeping Cucumber

Melothria pendula var. aspera — Creeping Cucumber

Melothria pendula var. crassifolia — Creeping Cucumber

Mentha ×piperita — Peppermint

Mentha arvensis × spicata — Small-leaved Mint

Mentha arvensis var. canadensis — Canada Mint, Field Mint, Wild Mint

Mentha arvensis var. villosa — Canada Mint, Field Mint, Wild Mint

Mentha gentilis — Small-leaved Mint

Mentha gracilis — Small-leaved Mint

Merione sp. 1 — Florida Wild Yam

Mesadenia atriplicifolia — Pale Indian-plantain

Mesadenia diversifolia — Variable-leaf Indian-plantain

Mesadenia elliottii — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia

Mesadenia lanceolata — Savanna Indian-plantain

Mesadenia maxima — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia

Mesadenia reniformis — Great Indian-plantain

Micheliella verticillata — Whorled Horsebalm

Micrampelis lobata — Wild-cucumber, Wild Balsam-apple

Micranthes petiolaris — Michaux's Saxifrage, Cliff Saxifrage

Micranthes petiolaris — Escarpment Saxifrage, Shealy's Saxifrage

Micranthes tennesseensis — Carolina Saxifrage

Microstegium vimineum var. imberbe — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass

Microstegium vimineum var. vimineum — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass

Mimosa illinoensis — Illinois Bundleflower, Prairie Mimosa, Common Bundleflower

Mimosa quadrivalvis var. angustata — Littleleaf Sensitive-briar, Eastern Sensitive-briar

Minuartia alabamensis — Piedmont Sandwort, One-flower Sandwort

Mirabilis japala — Garden Four-o'clock, Marvel-of-Peru, Morning-rose

Mirabilis lindheimeri — Garden Four-o'clock, Marvel-of-Peru, Morning-rose

Miscanthus sinensis var. variegatus — Chinese Silvergrass, Eulalia

Miscanthus sinensis var. zebrinus — Chinese Silvergrass, Eulalia

Monarda ×media — Purple Beebalm, Purple Bergamot

Monarda citriodora ssp. citriodora — Lemon Bergamot, Lemon Mint

Monarda dispersa — Lemon Bergamot, Lemon Mint

Monarda fistulosa var. clinopodia — Basil Bergamot, Basil Beebalm, White Bergamot, Basil Balm

Monarda punctata ssp. punctata — Eastern Horsemint, Spotted Beebalm

Mononeuria caroliniana — Carolina Sandwort, Longroot, Pine-barren Sandwort

Mononeuria glabra — Appalachian Sandwort

Mononeuria groenlandica — Mountain Sandwort, Greenland Sandwort

Mononeuria paludicola — Godfrey's Sandwort

Mononeuria patula — Lime-barren Sandwort, Glade Sandwort

Mononeuria uniflora — Piedmont Sandwort, One-flower Sandwort

Monotropsis lehmaniae — Appalachian Pygmy Pipes, Sweet Pinesap

Monotropsis odorata var. lehmaniae — Appalachian Pygmy Pipes, Sweet Pinesap

Morus murrayana — Red Mulberry

Morus nigra — White Mulberry, Silkworm Mulberry, Russian Mulberry

Muhlenbergia capillaris var. capillaris — Pink Muhlygrass, Upland Muhly, Hair-awn Muhly, Hairgrass

Muhlenbergia capillaris var. filipes — Dune Hairgrass, Sweetgrass

Muhlenbergia capillaris var. trichopodes — Savannah Hairgrass, Cut-over Muhly

Muhlenbergia foliosa — Hairy Wirestem Muhly, Mexican Muhly

Muhlenbergia mexicana var. filiformis — Hairy Wirestem Muhly, Mexican Muhly

Muhlenbergia mexicana var. mexicana — Hairy Wirestem Muhly, Mexican Muhly

Muhlenbergia sylvatica var. sylvatica — Woodland Muhly

Muhlenbergia umbrosa — Woodland Muhly

Mulgedium floridanum — Woodland Lettuce

Mulgedium spicatum var. integrifolium — Tall Blue Lettuce, Blue Wood Lettuce

Mulgedium spicatum var. spicatum — Tall Blue Lettuce, Blue Wood Lettuce

Mulgedium villosum — Woodland Lettuce

Muricauda dracontium — Green Dragon

Muricauda dracontium — Green Dragon

Muscadinia munsoniana — Munson Grape, Bullace Grape

Muscadinia rotundifolia — Muscadine, Scuppernong

Muscari atlanticum — Starch Grape-hyacinth, Blue Bottles

Myosotis palustris — Water Scorpion-grass, True Forget-me-not

Myosotis versicolor — Yellow-and-blue Scorpion-grass, Changing Forget-me-not

Myosotis virginica — Spring Forget-me-not, Early Forget-me-not, Early Scorpion-grass

Myrica asplenifolia var. asplenifolia — Sweet-fern

Myrica asplenifolia var. tomentosa — Sweet-fern

Myrica caroliniensis — Pocossin Bayberry, Evergreen Bayberry, Swamp Candleberry, Southern Bayberry

Myrica cerifera — Common Wax-myrtle, Southern Bayberry

Myrica cerifera — Dwarf Wax-myrtle, Dwarf Bayberry

Myrica inodora — Scentless Bayberry, Odorless Bayberry

Myrica pusilla — Dwarf Wax-myrtle, Dwarf Bayberry

Myriophyllum exalbescens — Common Water-milfoil

Myriophyllum proserpinacoides — Parrot-feather

Nabalus integrifolius — Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot

Nabalus integrifolius — Lion's-foot Rattlesnake-root, Gall-of-the-Earth

Nabalus serpentarius — Lion's-foot Rattlesnake-root, Gall-of-the-Earth

Nabalus trifoliatus — Gall-of-the-earth, Three-leaved Rattlesnake-root

Nabalus virgatus — Slender Rattlesnake-root, One-sided Rattlesnake-root

Naias guadelupensis — Southern Naiad, Southern Waternymph, Common Naiad

Najas ancistrocarpa — Narrowleaf Naiad, needleleaf waternymph

Nama corymbosum — Tall Hydrolea, Skyflower

Nama ovatum — Ovate False Fiddleleaf, Blue Waterleaf, Hairy Hydrolea, Ovate Fiddleleaf

Nama quadrivalve — Waterpod

Narcissus poeticus × pseudonarcissus — Nonesuch Daffodil

Narrowleaf — Narrowleaf Meadowsweet, Pipestem

Nasturtium austriacum — Austrian Yellowcress, Yellow Cress

Nasturtium officinale var. microphyllum — Narrow-fruited Watercress, One-row Yellowcress

Nasturtium officinale var. officinale — Watercress

Nasturtium officinale var. siifolium — Watercress

Negundo negundo — Eastern Box Elder, Ash-leaved Maple, River Maple

Nemexia biltmoreana — Biltmore Carrionflower

Nemexia ecirrhata — Upright Carrionflower

Nemexia herbacea — Common Carrionflower, Smooth Carrionflower

Nemexia hugeri — Huger's Carrionflower

Nemexia lasioneuron — Midwestern Carrionflower

Nemexia pulverulenta — Downy Carrionflower

Nemexia tamnifolia — Coastal Carrionflower, Bamboo-vine

Nemopanthus collinus — Long-stalked Holly, Cherry Holly

Nemopanthus mucronatus — Catberry, Nemopanthus

Nemophila triloba — Baby Blue Eyes, Small-flower Baby-blue-eyes, White Nemophila, Eastern Baby-blue-eyes

Neocleome spinosa — Cleome, Spiderflower, Pinkqueen

Neopieris mariana — Staggerbush, Large-flowered Fetterbush

Neubeckia cristata — Dwarf Crested Iris

Neubeckia verna — Coastal Plain Dwarf Iris, Sandhill Iris, Coastal Plain Violet Iris

Neubeckia verna — Upland Dwarf Iris, Upland Dwarf Violet Iris

Nintooa japonica — Japanese Honeysuckle

Norta altissima — Tumble Mustard, Jim Hill Mustard, Tall Hedge-mustard

Notholaena sinuata var. sinuata — Wavy Cloak Fern, Wavy Scaly Cloak Fern

Notholcus lanatus — Velvet-grass, Soft Grass

Nuphar advena ssp. advena — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily

Nymphaea advena — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily

Nymphaea chartacea — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily

Nymphaea fluviatilis — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily

Nymphaea macrophylla — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily

Nymphaea sagittifolia — Narrowleaf Pondlily, Cow-lily, Spatterdock, Bonnets

Nymphoides aquaticum — Big Floating Heart, Banana Floating Heart

Nymphoides cordatum — Little Floating Heart

Nymphoides lacunosum — Little Floating Heart

Nymphoides peltatum — Yellow Floating Heart

Nyssa acuminata — Ogeechee Tupelo, Ogeechee Lime, Ogeechee Plum

Nyssa biflora var. ursina — Bear Tupelo, Apalachicola Tupelo

Nyssa sylvatica var. ursina — Bear Tupelo, Apalachicola Tupelo

Nyssa uniflora — Water Tupelo, Cotton Gum, Tupelo Gum

Oakesiella puberula — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort

Oakesiella sessilifolia — Wild-oats, Sessile-leaf Bellwort, Straw-lily

Oceanorus leimanthoides — Pinebarrens Death-camas

Odontostephana carolinensis — Carolina Spinypod, Climbing Milkweed, Climbing Milkvine, Maroon Carolina Milkvine

Odontostephana decipiens — Deceptive Spinypod

Odontostephana flavidula — Yellow Spinypod, Yellow Carolina Milkvine

Odontostephana floridana — Florida Milkvine

Odontostephana obliqua — Northern Spinypod, Limerock Milkvine, Climbing Milkvine

Odontostephana shortii — Northern Spinypod, Limerock Milkvine, Climbing Milkvine

Oenothera austromontana — Nodding Evening-primrose

Oenothera biennis var. austromontana — Nodding Evening-primrose

Oenothera biennis var. nutans — Nodding Evening-primrose

Oenothera drummondii ssp. drummondii — Beach Evening Primrose, Drummond's Evening Primrose

Oenothera fruticosa ssp. glauca — Northern Sundrops, Appalachian Sundrops

Oenothera fruticosa ssp. glauca — Glaucous Sundrops

Oenothera fruticosa ssp. glauca — Blue Ridge Sundrops

Oenothera fruticosa var. unguiculata — Coastal Sundrops

Oenothera tetragona ssp. glauca — Glaucous Sundrops

Oenothera tetragona ssp. glauca — Blue Ridge Sundrops

Oenothera tetragona ssp. glauca var. riparia — Riverbank Evening Primrose, Riverbank Sundrops

Oenothera tetragona ssp. tetragona var. tetragona — Northern Sundrops, Appalachian Sundrops

Oenothera tetragona ssp. tetragona var. velutina — Northern Sundrops, Appalachian Sundrops

Oenothera tetragona var. hybrida — Blue Ridge Sundrops

Oenothera tetragona var. latifolia — Northern Sundrops, Appalachian Sundrops

Oenothera tetragona var. tetragona — Northern Sundrops, Appalachian Sundrops

Oldenlandia fasciculata — Oldenlandia, Clustered Bluet

Oligoneuron jacksonii — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod

Oligoneuron rigidum — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod

Onoclea sensibilis var. sensibilis — Sensitive Fern, Bead Fern

Onosmodium molle — Western Marbleseed

Onosmodium molle ssp. occidentale — Western Marbleseed

Onosmodium occidentale — Western Marbleseed

Ophioglossum crotalophoroides var. crotalophoroides — Bulbous Adder's-tongue, Dwarf Adder's Tongue

Ophioglossum crotalophoroides var. nanum — Bulbous Adder's-tongue, Dwarf Adder's Tongue

Ophioglossum dendroneuron — Slender Adder's-tongue

Ophioglossum floridanum — Longstem Adder's-tongue, Stalked Adder's-tongue Fern, Longstem Adder's-tongue

Ophioglossum mononeuron — Slender Adder's-tongue

Ophioglossum pumilio — Slender Adder's-tongue

Ophioglossum tenerum — Slender Adder's-tongue

Ophrys australis — Southern Twayblade

Ophrys smallii — Kidneyleaf Twayblade, Appalachian Twayblade, Small's Twayblade

Oplismenus compositus — Shortleaf Basketgrass, Woods-grass, Bristle Basketgrass

Oplismenus hirtellus — Wavyleaf Basketgrass

Oplismenus hirtellus — Shortleaf Basketgrass, Woods-grass, Bristle Basketgrass

Opulaster australis — Flowering Ninebark, Eastern Ninebark

Opulaster opulifolius — Flowering Ninebark, Eastern Ninebark

Opuntia calcicola — Eastern Prickly-pear

Opuntia humifusa var. humifusa — Eastern Prickly-pear

Opuntia humifusa var. humifusa — Common Eastern Prickly-pear

Opuntia humifusa var. humifusa — Eastern Prickly-pear

Opuntia humifusa var. humifusa — Southern Prickly-pear

Opuntia impedita — Eastern Prickly-pear

Opuntia impedita — Southern Prickly-pear

Opuntia lata — Southern Prickly-pear

Opuntia macrarthra — Eastern Prickly-pear

Opuntia monacanthos — South American Prickly-pear, Common Prickly-pear, Drooping Prickly-pear

Opuntia opuntia — Common Eastern Prickly-pear

Opuntia opuntia — Eastern Prickly-pear

Opuntia pollardii — Eastern Prickly-pear

Opuntia tracyi — Dune Prickly-pear, Dune Devil-joint, Devils-joint Cactus, Little Prickly-pear

Opuntia tunoidea — Coastal Prickly-pear, Shell Midden Prickly-pear, Erect Prickly-pear

Orbexilum gracile — Eastern Sampson's-snakeroot

Orbexilum pedunculatum var. gracile — Eastern Sampson's-snakeroot

Orobanche uniflora ssp. uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe

Orobanche uniflora var. uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe

Orthodon dianthera — Miniature Beefsteak-plant, Mosla

Osmanthus americanus — Devilwood, Wild Olive

Osmorrhiza claytonii — Bland Sweet Cicely, Hairy Sweet Cicely

Osmorrhiza longistylis — Aniseroot, Smooth Sweet Cicely, Longstyle Sweet-cicely

Osmunda cinnamomea var. glandulosa — Cinnamon Fern

Osmunda claytoniana var. claytoniana — Interrupted Fern

Osmunda regalis — American Royal Fern

Osmundastrum cinnamomeum var. cinnamomeum — Cinnamon Fern

Osmundastrum cinnamomeum var. glandulosum — Cinnamon Fern

Osmundastrum claytonianum — Interrupted Fern

Osmundopteris virginiana — Rattlesnake Fern, Sang-find

Ostrya virginiana var. virginiana — American Hop-hornbeam, Ironwood, Eastern Hop-hornbeam, Leverwood

Oxalis acetosella ssp. montana — Mountain Wood-sorrel, American Wood-sorrel, Wood Shamrock, White Wood-sorrel

Oxalis articulata ssp. rubra — Windowbox Wood-sorrel

Oxalis corymbosa — pink woodsorrel

Oxalis dillenii ssp. dillenii — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel

Oxalis dillenii ssp. filipes — Flowering Yellow Wood-sorrel

Oxalis europaea — Common Yellow Wood-sorrel

Oxalis filipes — Flowering Yellow Wood-sorrel

Oxalis florida var. filipes — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel

Oxalis florida var. florida — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel

Oxalis priceae — Sadie Price’s Yellow Wood-sorrel

Oxalis recurva — Flowering Yellow Wood-sorrel

Oxalis recurva — Sadie Price’s Yellow Wood-sorrel

Oxalis recurva var. macrantha — Sadie Price’s Yellow Wood-sorrel

Oxalis recurva var. recurva — Flowering Yellow Wood-sorrel

Oxalis repens — Creeping Lady's-sorrel

Oxybaphus nyctagineus — Heart-leaved Umbrella-wort, Heartleaf Four-o’clock

Oxycoccus macrocarpus — Cranberry, Large Cranberry

Oxycoccus microcarpon — Small Cranberry

Oxycoccus microcarpon — Cranberry, Large Cranberry

Oxypolis denticulata — Savanna Cowbane

Oxypolis turgida — Cowbane, Pig-potato, Stiff Cowbane

Oxytria albiflora — White Sunnybell

Oxytria crocea — Yellow Sunnybell

Oxytria texana — Texas Sunnybell

Pachistima canbyi — Canby's Mountain Lover, Ratstripper, Cliff-green

Pachystima canbyi — Canby's Mountain Lover, Ratstripper, Cliff-green

Packera millefolia — Blue Ridge Ragwort, Yarrowleaf Ragwort, Divided-leaf Ragwort, Blue Ridge Groundsel

Packera schweinitzianus — Robbins' Ragwort, New England Ragwort, New England Groundsel, Schweinitz's Ragwort

Padus alabamensis — Alabama Black Cherry

Padus australis — Alabama Black Cherry

Padus cuthbertii — Alabama Black Cherry

Padus nana — Choke Cherry, Common Chokecherry

Padus serotina — Black Cherry, Eastern Wild Black Cherry, Bird Cherry

Padus virginiana — Black Cherry, Eastern Wild Black Cherry, Bird Cherry

Paepalanthus anceps — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton

Paepalanthus beyrichianus — Southern Bogbuttons

Palhinhaea cernua var. cernua — Nodding Clubmoss, Staghorn Clubmoss

Panicularia septentrionalis — Eastern Mannagrass, Floating Mannagrass

Panicularia striata — Fowl Mannagrass

Panicum aculeatum — Tall Swamp Witchgrass

Panicum acuminatum var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum acuminatum var. lindheimeri — Lindheimer's Witchgrass

Panicum acuminatum var. unciphyllum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum agrostoides — Redtop Panicgrass

Panicum agrostoides var. elongatum — Tall Flat Panicgrass, Stalked Panicgrass

Panicum agrostoides var. ramosius — Redtop Panicgrass

Panicum amarum ssp. amarulum — Southern Seabeach Grass, Bitter Panicgrass

Panicum amarum ssp. amarum — Seaside Panicum, Bitter Seabeach Grass, Bitter Panicgrass, Bitter Seaside Panic-grass

Panicum anceps ssp. anceps — Beaked Panicum, Beaked Panicgrass

Panicum anceps ssp. rhizomatum — Small Beaked Panicum, Small Beaked Panicgrass

Panicum annulum — Ringed Witchgrass

Panicum arenicoloides — Sandy Woods Witchgrass

Panicum arenicolum — Needleleaf Witchgrass, Needleleaf Rosette Grass

Panicum auburne — Woolly Witchgrass, Woolly Rosette Grass, Tapered Rosette Grass

Panicum barbulatum — Forked Witchgrass

Panicum bennettense — Needleleaf Witchgrass, Needleleaf Rosette Grass

Panicum boscii var. boscii — Bosc's Witchgrass

Panicum boscii var. molle — Bosc's Witchgrass

Panicum caerulescens — Blue Witchgrass

Panicum capillare ssp. capillare — Old-witch Panicgrass, Tickle Grass, Tumbleweed

Panicum capillare var. capillare — Old-witch Panicgrass, Tickle Grass, Tumbleweed

Panicum capillare var. sylvaticum — Woodland Panicgrass

Panicum clutei — Mattamuskeet Witchgrass

Panicum columbianum var. columbianum — American Witchgrass

Panicum condensum — Dense Panicgrass

Panicum dichotomiflorum ssp. dichotomiflorum — Fall Panicum, Fall Panicgrass, Spreading Panicgrass

Panicum dichotomum var. mattamuskeetense — Mattamuskeet Witchgrass

Panicum dichotomum var. nitidum — Shining Witchgrass

Panicum dichotomum var. roanokense — Blue Witchgrass

Panicum dichotomum var. yadkinense — Spotted-sheath Witchgrass

Panicum elongatum — Tall Flat Panicgrass, Stalked Panicgrass

Panicum geminatum — Alligator Grass, Paspalidium, Kissimmee Grass

Panicum gouinii — Torpedo Grass

Panicum huachucae var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum huachucae var. huachucae — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum huachucae var. silvicola — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum lacustre — Fall Panicum, Fall Panicgrass, Spreading Panicgrass

Panicum lanuginosum var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum lanuginosum var. implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum lanuginosum var. lindheimeri — Long-ligule Witchgrass, Coastal Plain Witchgrass

Panicum lanuginosum var. lindheimeri — Lindheimer's Witchgrass

Panicum lanuginosum var. septentrionale — Lindheimer's Witchgrass

Panicum lanuginosum var. tennesseense — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum lindheimeri — Lindheimer's Witchgrass

Panicum lucidum — Bog Witchgrass

Panicum lucidum var. lucidum — Bog Witchgrass

Panicum lucidum var. opacum — Bog Witchgrass

Panicum mattamuskeetense — Mattamuskeet Witchgrass

Panicum maximum — Guinea Grass

Panicum microcarpon — Small-fruited Witchgrass

Panicum nitidum — Shining Witchgrass

Panicum nitidum var. nitidum — Shining Witchgrass

Panicum nitidum var. ramulosum — Small-fruited Witchgrass

Panicum nudicaule — Naked Witchgrass

Panicum ovale var. villosum — White-haired Witchgrass

Panicum ovinum — Nerved Witchgrass

Panicum philadelphicum var. philadelphicum — Woodland Panicgrass

Panicum pinetorum — Pineland Witchgrass

Panicum polycaulon — Hairless Witchgrass

Panicum pseudopubescens — White-haired Witchgrass

Panicum ramosum — Browntop Millet, Dixie Signalgrass

Panicum rhizomatum — Small Beaked Panicum, Small Beaked Panicgrass

Panicum rigidulum ssp. elongatum — Tall Flat Panicgrass, Stalked Panicgrass

Panicum rigidulum ssp. rigidulum — Dense Panicgrass

Panicum rigidulum ssp. rigidulum — Redtop Panicgrass

Panicum roanokense — Roanoke Witchgrass

Panicum sphaerocarpon var. inflatum — Round-fruited Witchgrass, Roundseed Witchgrass

Panicum sphaerocarpon var. sphaerocarpon — Round-fruited Witchgrass, Roundseed Witchgrass

Panicum sphagnicola — Peaty Witchgrass

Panicum spretum — Long-ligule Witchgrass, Coastal Plain Witchgrass

Panicum spretum — Lindheimer's Witchgrass

Panicum strigosum var. leucoblepharis — Dwarf Witchgrass

Panicum strigosum var. strigosum — Rough-hairy Witchgrass

Panicum tennesseense — Slender-stemmed Witchgrass, Western Woolly Witchgrass

Panicum tsugetorum — American Witchgrass

Panicum tuckermanii — Woodland Panicgrass

Panicum tuckermannii — Woodland Panicgrass

Panicum xalapense var. strictirameum — Open-flower Witchgrass, Open-flower Rosette Grass

Panicum xalapense var. xalapense — Open-flower Witchgrass, Open-flower Rosette Grass

Panicum yadkinense — Spotted-sheath Witchgrass

Papyrius papyriferus — Paper Mulberry

Parathelypteris noveboracensis — New York Fern

Parathelypteris simulata — Bog Fern, Massachusetts Fern

Parietaria debilis — Florida Pellitory

Parietaria nummularia — Florida Pellitory

Paronychia dichotoma — Yellow Nailwort, Virginia Whitlow-wort

Paronychia fastigiata var. pumila — Mountain Nailwort, Shale-barren Whitlow-wort

Paronychia virginica ssp. virginica — Yellow Nailwort, Virginia Whitlow-wort

Paronychia virginica var. virginica — Yellow Nailwort, Virginia Whitlow-wort

Parsonsia balsamona — Colombian Waxweed

Parsonsia petiolata — Clammy Cuphea, Blue Waxweed

Parthenium hispidum var. auriculatum — Glade Wild Quinine

Parthenium integrifolium — Common Wild Quinine

Parthenium integrifolium — Glade Wild Quinine

Parthenium integrifolium — Sandhill Wild Quinine, Mabry's Wild Quinine, Carolina Wild Quinine

Parthenium radfordii — Sandhill Wild Quinine, Mabry's Wild Quinine, Carolina Wild Quinine

Parthenocissus hirsuta — Virginia Creeper

Paspalidium geminatum var. geminatum — Alligator Grass, Paspalidium, Kissimmee Grass

Paspalum ciliatifolium — Fringeleaf Paspalum, thin paspalum

Paspalum ciliatifolium var. ciliatifolium — Fringeleaf Paspalum, thin paspalum

Paspalum ciliatifolium var. muhlenbergii — thin paspalum

Paspalum circulare — Field Crowngrass, Field Paspalum

Paspalum difforme — Florida Paspalum, Big Paspalum

Paspalum fissifolium — Common Carpetgrass

Paspalum floridanum var. floridanum — Florida Paspalum, Big Paspalum

Paspalum floridanum var. glabratum — Florida Paspalum, Big Paspalum

Paspalum furcatum — Big Carpetgrass

Paspalum giganteum — Florida Paspalum, Big Paspalum

Paspalum longipilum — Field Crowngrass, Field Paspalum

Paspalum notatum var. notatum — Bahia-grass

Paspalum propinquum — Fringeleaf Paspalum, thin paspalum

Paspalum pubescens — thin paspalum

Paspalum repens — Water Paspalum, Horsetail Crowngrass

Paspalum repens var. fluitans — Water Paspalum, Horsetail Crowngrass

Paspalum setaceum var. muehlenbergii — thin paspalum

Pattalias palustre — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum

Pediomelum subacaulis — Nashville Breadroot

Pellaea ternifolia var. ternifolia — Arizona Cliffbrake

Pellaea ternifolia var. wrightiana — Wright's Cliffbrake

Peltandra glauca — White Arrow-arum, White Arum, Spoonflower

Peniophyllum linifolium — Threadleaf Sundrops, Flaxleaf Sundrops

Pennisetum americanum ssp. americanum — Pearl Millet

Pennisetum ciliare var. ciliare — Buffelgrass

Penstemon brittonorum — Appalachian Beardtongue, Gray's Beardtongue, Eastern Gray Beardtongue

Penstemon laevigatus ssp. calycosus — Longsepal Beardtongue

Penstemon laevigatus ssp. laevigatus — Smooth Beardtongue, Eastern Beardtongue, Eastern Smooth Beardtongue

Penstemon penstemon — Smooth Beardtongue, Eastern Beardtongue, Eastern Smooth Beardtongue

Pepo pepo — Pumpkin, Zucchini, Ornamental Gourd, Vegetable Marrow

Peramium ophioides — Lesser Rattlesnake-orchid, Lesser Rattlesnake-plantain

Peramium pubescens — Downy Rattlesnake-orchid, Downy Rattlesnake-plantain

Perilla frutescens var. crispa — Beefsteak-plant, Perilla

Perilla frutescens var. frutescens — Beefsteak-plant, Perilla

Persea borbonia var. pubescens — Swamp Redbay, Swamp Bay

Persicaria amphibia — Water Smartweed, Scarlet Smartweed

Persicaria cespitosa var. longiseta — Longbristle Smartweed, Bristly Lady's-thumb, Creeping Smartweed, Tufted Knotweed

Persicaria glabra — Dense-flower Smartweed

Persicaria muhlenbergii — Water Smartweed, Scarlet Smartweed

Persicaria opelousana — Mild Waterpepper, Swamp Smartweed

Persicaria persicaria — Spotted Lady's-thumb, Heart's-ease

Persicaria portoricensis — Dense-flower Smartweed

Persicaria punctata var. leptostachya — Dotted Smartweed

Persicaria punctata var. punctata — Dotted Smartweed

Persicaria virginiana var. filiformis — Japanese Jumpseed

Persicaria wallichii — Himalayan Knotweed, Kashmir Plume, cultivated knotweed

Persicaria wallichii var. wallichii — Himalayan Knotweed, Kashmir Plume, cultivated knotweed

Perularia bidentata — Southern Rein Orchid, Southern Gypsy-spike

Perularia flava — Tubercled Rein Orchid, Northern Gypsy-spike

Perularia scutellata — Southern Rein Orchid, Southern Gypsy-spike

Petalostemon albidus — White-tassels

Petalostemon carneus — Pink-tassels

Petalostemon gattingeri — Gattinger's Prairie-clover, Purple-tassels

Petalostemon gracilis — Sprawling White-tassels

Petalostemon purpureus — Purple Prairie-clover

Petalostemum purpureum — Purple Prairie-clover

Petunia ×hybrida — Garden Petunia

Petunia integrifolia — Garden Petunia

Phacelia bicknellii — Miami-mist

Phacelia boykinii — Miami-mist

Phacelia brevistyla — Fernleaf Phacelia, Purple Phacelia, Forest Phacelia

Phacelia hirsuta — Spotted Phacelia, Flatrock Phacelia

Phaeiris fulva — Copper Iris, Red Flag

Phaeiris giganticaerulea — Giant Blue Iris

Phaethusa laciniata — Southern Frostweed

Phaethusa occidentalis — Southern Crownbeard, Yellow Crownbeard

Phaethusa virginica — White Crownbeard, Common Frostweed, White Wingstem, Virginia Wingstem

Phalaris arundinacea var. arundinacea — Reed Canarygrass, Ribbongrass

Phalaris arundinacea var. picta — Reed Canarygrass, Ribbongrass

Pharbitis barbigera — Ivyleaf Morning Glory

Pharbitis hederacea — Ivyleaf Morning Glory

Pharbitis purpurea — Common Morning Glory

Phaseolus lathyroides — Phasey Bean, Wild Bushbean

Phaseolus polystachyus — Wild Bean, Wild Kidney Bean, Thicket Bean

Phaseolus polystachyus ssp. polystachyus — Wild Bean, Wild Kidney Bean, Thicket Bean

Phaseolus polystachyus ssp. sinuatus — Sandhill Bean, Trailing Wild Bean

Phegopteris phegopteris — Northern Beech Fern

Philadelphus floridus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus gattingeri — Ozark Mock-orange, Hairy Mock-orange

Philadelphus gloriosus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus grandiflorus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus inodorus var. grandiflorus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus inodorus var. inodorus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus inodorus var. strigosus — Appalachian Mock-orange, Scentless Mock-orange

Philadelphus intectus — Ozark Mock-orange, Hairy Mock-orange

Philadelphus latifolius — Ozark Mock-orange, Hairy Mock-orange

Philadelphus pubescens var. pubescens — Ozark Mock-orange, Hairy Mock-orange

Philadelphus pubescens var. verrucosus — Ozark Mock-orange, Hairy Mock-orange

Philadelphus sharpianus — Hairy Mock-orange, Cumberland Mock-orange

Philotria densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"

Phlox bifida ssp. bifida — Cleft Phlox, Sand Phlox, Ten-point Phlox, Starry Phlox

Phlox bifida ssp. stellaria — Cleft Phlox, Sand Phlox, Ten-point Phlox, Starry Phlox

Phlox brittonii — Moss Phlox, Mountain-pink, "Thrift"

Phlox carolina ssp. alta — Carolina Phlox, Thick-leaf Phlox, Giant Phlox

Phlox carolina ssp. angusta — Carolina Phlox, Thick-leaf Phlox, Giant Phlox

Phlox carolina ssp. turritella — Carolina Phlox, Thick-leaf Phlox, Giant Phlox

Phlox glaberrima ssp. interior — Smooth Phlox

Phlox glaberrima ssp. triflora — Smooth Phlox

Phlox maculata — Northern Meadow Phlox

Phlox maculata — Leafy Meadow Phlox, Wild Sweet William

Phlox maculata var. maculata — Northern Meadow Phlox

Phlox maculata var. purpurea — Leafy Meadow Phlox, Wild Sweet William

Phlox pilosa var. pilosa — Downy Phlox

Phoebanthus tenuifolia — pineland false sunflower

Pholiurus incurvus — Curved Sickle-grass, Hard Grass, Thin-tail

Phoradendron eatonii — American Mistletoe, Christmas Mistletoe

Phoradendron flavescens — American Mistletoe, Christmas Mistletoe

Phoradendron macrotomum — American Mistletoe, Christmas Mistletoe

Phoradendron serotinum ssp. serotinum — American Mistletoe, Christmas Mistletoe

Photinia floribunda — Purple Chokeberry

Photinia glabra × serratifolia — Fraser's Photinia, Redtip Photinia

Photinia melanocarpa — Black Chokeberry

Photinia prunifolia — Purple Chokeberry

Photinia pyrifolia — Red Chokeberry

Phragmites australis ssp. australis — Common Reed, Old World Reed

Phragmites australis var. australis — Common Reed, Old World Reed

Phragmites phragmites — Common Reed, Old World Reed

Phryma leptostachya var. leptostachya — American Lopseed

Phyllanthus carolinensis — Carolina Leaf-flower

Phyllanthus caroliniensis var. caroliniensis — Carolina Leaf-flower

Phyllanthus lathyroides — Mascarene Island Leaf-flower

Phyllanthus urinaria ssp. urinaria — Chamber Bitter, Gripeweed

Phyllostachys nigra var. henionis — Black Bamboo

Phyllostachys pubescens — Moso Bamboo

Physalis ambigua — Clammy Ground-cherry

Physalis barbadensis — Downy Ground-cherry, Husk-tomato

Physalis barbadensis var. barbadensis — Downy Ground-cherry, Husk-tomato

Physalis intermedia — Virginia Ground-cherry

Physalis longifolia — Longleaf Ground-cherry

Physalis maritima — Dune Ground-cherry, Sand Ground-cherry, Walter's Ground-cherry

Physalis monticola — Virginia Ground-cherry

Physalis nyctaginea — Clammy Ground-cherry

Physalis pendula — Smooth Ground-cherry, Cutleaf Ground-cherry

Physalis pruinosa — Gray Ground-cherry, Strawberry-tomato, Dwarf Cape-gooseberry

Physalis pubescens var. integrifolia — Downy Ground-cherry, Husk-tomato

Physalis subglabrata — Longleaf Ground-cherry

Physalis turbinata — Downy Ground-cherry, Husk-tomato

Physalis viscosa — Dune Ground-cherry, Sand Ground-cherry, Walter's Ground-cherry

Physalodes physalodes — Apple-of-Peru, Shoo-fly-plant

Physostegia virginiana var. arenaria — Southern Obedient-plant

Physostegia virginiana var. virginiana — Northern Obedient-plant, False Dragonhead

Piaropus crassipes — Water-hyacinth

Picea australis — Red Spruce, He Balsam

Pilea pumila var. deamii — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed

Pilea pumila var. pumila — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed

Pilosella piloselloides ssp. piloselloides — Glaucous King-devil, Smooth Hawkweed, Tall Hawkweed

Pilostaxis baldwinii — White Milkwort, Baldwin's Milkwort

Pilostaxis cymosa — Tall Pinebarren Milkwort

Pilostaxis lutea — Orange Milkwort, Red-hot-poker, Candyroot, Yellow Bachelor's-buttons

Pilostaxis nana — Dwarf Milkwort, Candyroot

Pilostaxis ramosa — Short Pinebarren Milkwort, Low Pinebarren Milkwort, Dwarf Milkwort, Savanna Milkwort

Pimpinella saxifraga — Burnet-saxifrage

Pinguicula elatior — Blue Butterwort

Pinus australis — Longleaf Pine, Southern Pine

Pinus rigida ssp. rigida — Pitch Pine

Pinus rigida ssp. serotina — Pond Pine, Pocosin Pine, Marsh Pine

Piriqueta tomentosa — Carolina Piriqueta, Pitted Stripeseed

Pityopsis adenolepis — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Pityopsis aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster

Pityopsis aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster

Pityopsis nervosa var. nervosa — Common Silkgrass, Grassleaf Goldenaster

Pityothamnus angustifolius — Slimleaf Pawpaw

Pityothamnus angustifolius — Slimleaf Pawpaw

Pityothamnus incanus — Flag Pawpaw, Polecat Bush, Woolly Pawpaw

Pityothamnus reticulatus — Netleaf Pawpaw

Planodes virginica — Sibara, Virginia-cress, Virginia Rockcress, Virginia Winged Rockcress

Plantago hybrida — Many-seeded Plantain, Small Plantain, Slender Plantain

Plantago psyllium — Sand Plantain, Leafy-stemmed Plantain, Psyllium, Flaxseed Plantain

Plantago rugelii var. asperula — American Plantain, Broad-leaved Plantain, Blackseed Plantain, Rugel’s Plantain

Platanthera fissa — Purple Fringeless Orchid, Purple Spire Orchid, Pride-of-the-peak

Platanthera fissa — Small Purple Fringed Orchid, Butterfly Orchid, Lesser Purple Fringed Orchid

Platanthera herbiola — Tubercled Rein Orchid, Northern Gypsy-spike

Platanthera orbiculata var. orbiculata — Large Round-leaved Orchid, Dessert-plate Orchid

Platanus ×acerifolia — London Planetree

Platanus hybrida — London Planetree

Pleopeltis polypodioides var. michauxiana — Resurrection Fern, Scaly Polypody

Pleuropterus zuccarinii — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat

Pluchea petiolata — Common Camphorweed, Camphor Pluchea, Marsh Fleabane

Pluchea rosea var. rosea — Rosy Camphorweed, Rose Fleabane, Savanna Fleabane, Marsh Fleabane

Pluchea tenuifolia — Stinking Camphorweed, Stinking Fleabane, Marsh Fleabane

Podophyllum cymosum — Umbrella-leaf, Pixie-parasol

Podostemon abrotanoides — Riverweed, Threadfoot, Riffleweed

Podostemon ceratophyllum — Riverweed, Threadfoot, Riffleweed

Podostigma pedicellata — Stalked Milkweed, Savanna Milkweed

Pogonia bifaria — Small Dragonhead Pogonia, Coastal Plain Small Spreading Pogonia

Pogonia divaricata — Large Dragonhead Pogonia, Rosebud Orchid, Large Spreading Pogonia

Pogonia verticillata — Large Whorled Pogonia, Large Five-leaves

Poinsettia cyathophora — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Poinsettia dentata — Painted Leaf, Wild Poinsettia, Green Poinsettia, Toothed Spurge

Poinsettia geniculata — Fiddler's Spurge, Mexican Fireplant, Catalina, Jacob's-ladder

Poinsettia heterophylla — Fiddler's Spurge, Mexican Fireplant, Catalina, Jacob's-ladder

Poinsettia heterophylla — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain

Polemonium longii — Spreading Jacob's-ladder, Creeping Jacob's-ladder, Greek Valerian

Polemonium van-bruntiae — Bog Jacob's-ladder

Polycodium arenicola — Dwarf Deerberry

Polycodium ashei — Florida Deerberry, Whiteleaf Deerberry

Polycodium candicans — Appalachian Deerberry

Polycodium candicans — Common Deerberry

Polycodium floridanum — Florida Deerberry, Whiteleaf Deerberry

Polycodium melanocarpum — Southern Deerberry

Polycodium neglectum — Common Deerberry

Polycodium sericeum — Southern Deerberry

Polycodium stamineum — Common Deerberry

Polygala aboriginum — Racemed Milkwort, Bitter Milkwort

Polygala balduinii var. balduinii — White Milkwort, Baldwin's Milkwort

Polygala baldwinii — White Milkwort, Baldwin's Milkwort

Polygala boykinii — Boykin's Milkwort

Polygala harperi — Maryland Milkwort

Polygala ramosior — Drumheads, Crossleaf Milkwort

Polygala verticillata — Whorled Milkwort

Polygala verticillata — Loose Milkwort, Alternate Milkwort, Whorled Milkwort

Polygala verticillata var. dolichoptera — Loose Milkwort, Alternate Milkwort, Whorled Milkwort

Polygala violacea — Showy Milkwort

Polygala viridescens — Field Milkwort, Blood Milkwort

Polygonatum commutatum — Smooth Solomon's Seal

Polygonella polygama var. croomii — Carolina October-flower

Polygonella polygama var. polygama — Common October-flower

Polygonum americanum — Southern Jointweed, Showy Jointweed

Polygonum aubertii — Lace Vine, Silver-lace-vine, China Fleece-vine, Russian Vine

Polygonum caespitosum var. longisetum — Longbristle Smartweed, Bristly Lady's-thumb, Creeping Smartweed, Tufted Knotweed

Polygonum convolvulus var. subulatum — Climbing Buckwheat, Nimblewill, Black Bindweed

Polygonum fimbriatum — Sandhill Jointweed, Fringed Thysanella

Polygonum hydropiperoides var. opelousanum — Mild Waterpepper, Swamp Smartweed

Polygonum hydropiperoides var. setaceum — Swamp Smartweed, Bog Smartweed

Polygonum pinicola — Wireweed, Tall Jointweed

Polygonum polygamum var. croomii — Carolina October-flower

Polygonum polygamum var. polygamum — Common October-flower

Polygonum punctatum var. confertiflorum — Dotted Smartweed

Polygonum scandens var. cristatum — Common Climbing Buckwheat

Polygonum setaceum var. setaceum — Swamp Smartweed, Bog Smartweed

Polygonum setaceum var. tonsum — Swamp Smartweed, Bog Smartweed

Polygonum smallianum — Largeleaf Wireweed

Polygonum tenue var. protrusum — Glade Knotweed, Slender Knotweed

Polygonum tenue var. tenue — Glade Knotweed, Slender Knotweed

Polymnia radiata — White-flowered Leafcup, Small-flowered Leafcup

Polypodium aureum — Goldfoot Fern, Golden Polypody

Polypodium polypodioides var. michauxianum — Resurrection Fern, Scaly Polypody

Polystichum acrostichoides var. acrostichoides — Christmas Fern

Polystichum acrostichoides var. lonchitoides — Christmas Fern

Polystichum falcatum — Japanese Holly-fern, Asian Net-veined Holly Fern

Polystichum fortunei — Fortune's Holly-fern, Fortune's Net-veined Holly Fern

Pontederia azurea — Rooted Water-hyacinth, anchored water-hyacinth

Pontederia crassipes — Water-hyacinth

Pontederia lanceolata — Lanceleaf Pickerelweed

Pontederia vaginalis — Monochoria, heartshape false pickerelweed

Populus balsamifera var. balsamifera — Balsam Poplar, Hackmatack, Tacamahac

Populus deltoides var. deltoides — Eastern Cottonwood

Populus deltoides var. occidentalis — Plains Cottonwood, Texas Cottonwood

Populus italica — European Black Poplar, Lombardy Poplar, Black Poplar

Populus nigra var. italica — European Black Poplar, Lombardy Poplar, Black Poplar

Populus nigra var. nigra — European Black Poplar, Lombardy Poplar, Black Poplar

Porteranthus stipulatus — Midwestern Indian-physic, American Ipecac

Porteranthus trifoliatus — Bowman's Root, Mountain Indian Physic, Fawn's Breath

Potentilla canadensis var. canadensis — Dwarf Cinquefoil, Running Five-fingers

Potentilla canadensis var. villosissima — Dwarf Cinquefoil, Running Five-fingers

Potentilla caroliniana — Dwarf Cinquefoil, Running Five-fingers

Potentilla monspeliensis — Strawberry-weed, Rough Cinquefoil, Norwegian Cinquefoil

Potentilla pumila — Dwarf Cinquefoil, Running Five-fingers

Poterium polygamum — Salad Burnet, Garden Burnet, Fodder Burnet

Poterium sanguisorba — Salad Burnet, Garden Burnet, Fodder Burnet

Poterium sanguisorba ssp. balearicum — Salad Burnet, Garden Burnet, Fodder Burnet

Poterium sanguisorba ssp. muricatum — Salad Burnet, Garden Burnet, Fodder Burnet

Prenanthes alba ssp. pallida — Gall-of-the-earth, Three-leaved Rattlesnake-root

Prenanthes cylindrica — Cylindrical Rattlesnake-root, Appalachian Rattlesnake-root

Prenanthes cylindrica — Roan Mountain Rattlesnake-root, Appalachian Rattlesnake-root

Prenanthes serpentaria var. barbata — Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot

Proserpinaca palustris var. amblyogona — Marsh Mermaid-weed, Common Mermaid-weed

Proserpinaca palustris var. crebra — Marsh Mermaid-weed, Common Mermaid-weed

Proserpinaca palustris var. palustris — Marsh Mermaid-weed, Common Mermaid-weed

Proserpinaca platycarpa — Marsh Mermaid-weed, Common Mermaid-weed

Prunella vulgaris var. hispida — Eurasian Self-heal, Eurasian Heal-all

Prunus alleghaniensis — Allegheny Plum, Allegheny Sloe

Prunus americana var. lanata — Big-tree Plum, Mexican Plum

Prunus cuneata — Susquehanna Cherry, Appalachian Sand Cherry, Appalachian Dwarf-cherry

Prunus depressa — Prostrate Dwarf-cherry, Prostrate Sand Cherry, New England Sand Cherry

Prunus domestica var. institia — European Plum, Damson, Bullace

Prunus gravesii — Beach Plum

Prunus injucunda — Hog Plum, Flatwoods Plum

Prunus insititia — European Plum, Damson, Bullace

Prunus maritima var. gravesii — Beach Plum

Prunus maritima var. maritima — Beach Plum

Prunus mitis — Hog Plum, Flatwoods Plum

Prunus pennsylvanica — Fire Cherry, Pin Cherry

Prunus pumila var. cuneata — Susquehanna Cherry, Appalachian Sand Cherry, Appalachian Dwarf-cherry

Prunus rivularis — Munson Plum, Wild-goose Plum

Prunus umbellata var. injuncunda — Hog Plum, Flatwoods Plum

Prunus umbellata var. umbellata — Hog Plum, Flatwoods Plum

Prunus yedoensis — Yoshino Cherry

Pseudognaphalium obtusifolium ssp. praecox — Fragrant Rabbit-tobacco, Eastern Rabbit-tobacco, Sweet Everlasting, Catfoot

Pseudolycopodiella caroliniana var. caroliniana — Carolina Bog-clubmoss, Slender Clubmoss

Pseudolycopodiella caroliniana var. caroliniana — Florida Bog Clubmoss

Psoralea virgata — Pineland Leatherroot, Slender Leatherroot, Pineland Scurfpea

Ptelea baldwinii — Wafer-ash, Hoptree

Ptelea microcarpa — Wafer-ash, Hoptree

Ptelea serrata — Wafer-ash, Hoptree

Pteridium aquilinum ssp. pseudocaudatum — Southern Bracken

Pteris latiuscula var. latiuscula — Eastern Bracken, Brake

Pteris latiuscula var. pseudocaudata — Southern Bracken

Pterocaulon undulatum — Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Ptilimnium viviparum — Harperella, piedmont mock bishopweed

Pueraria thunbergiana — Kudzu, Foot-a-Day

Pycnanthemum aristatum — Awned Mountain-mint

Pycnanthemum hyssopifolium — Savanna Mountain-mint, Savanna Mint

Pycnanthemum incanum var. loomisii — Loomis's Mountain-mint

Pycnanthemum pycnanthemoides — Woodland Mountain-mint, Southern Mountain-mint

Pycnanthemum tullia — Woodland Mountain-mint, Southern Mountain-mint

Pycnodoria multifida — Spider Brake, Wall Fern, Huguenot Fern

Pycnodoria vittata — Ladder Brake, Chinese Brake Fern

Pycnothymus rigidus — Florida Pennyroyal, Wild Pennyroyal

Pylostachya balduinii — White Milkwort, Baldwin's Milkwort

Pylostachya cymosa — Tall Pinebarren Milkwort

Pylostachya lutea — Orange Milkwort, Red-hot-poker, Candyroot, Yellow Bachelor's-buttons

Pylostachya nana — Dwarf Milkwort, Candyroot

Pylostachya ramosa — Short Pinebarren Milkwort, Low Pinebarren Milkwort, Dwarf Milkwort, Savanna Milkwort

Pyracantha crenulata — Chinese Firethorn

Pyrrhopappus carolinianus var. georgianus — Carolina False-dandelion, Carolina Desert-chicory

Pyrus americana — American Mountain-ash, American Rowan

Pyrus angustifolia — Southern Crabapple, Wild Crabapple

Pyrus arbutifolia — Red Chokeberry

Pyrus aucuparia — European Mountain-ash, Rowan

Pyrus baccata — Siberian Crabapple

Pyrus coronaria — Sweet Crabapple, Wild Crabapple

Pyrus floribunda — Purple Chokeberry

Pyrus lancifolia — Sweet Crabapple, Wild Crabapple

Pyrus malus — Common Apple

Pyrus melanocarpa — Black Chokeberry

Pyrus serratifolia — Taiwanese Redtip

Pyrus speciosa — Common Flowering Quince

Pyrus villosa — Oriental Photinia

Quamasia hyacinthina — Wild Hyacinth, Eastern Camas Lily, Quamash Lily

Quamoclit coccinea — Small Red Morning Glory, Scarlet Creeper

Quamoclit quamoclit — Cypress-vine

Quamoclit vulgaris — Cypress-vine

Quercus cinerea — Bluejack Oak

Quercus coccinea var. coccinea — Scarlet Oak

Quercus coccinea var. tuberculata — Scarlet Oak

Quercus falcata var. pagodifolia — Cherrybark Oak, Swamp Spanish Oak

Quercus falcata var. triloba — Southern Red Oak, Spanish Oak

Quercus hemisphaerica var. hemisphaerica — Darlington Oak, Sand Laurel Oak

Quercus hemisphaerica var. maritima — Darlington Oak, Sand Laurel Oak

Quercus macrocarpa — Bur Oak, Mossycup Oak

Quercus margarettae — Sand Post Oak, Scrub Post Oak, Margaret's Oak

Quercus margarettiae — Sand Post Oak, Scrub Post Oak, Margaret's Oak

Quercus muhlenbergii — Chinquapin Oak, Yellow Chestnut Oak, Yellow Oak

Quercus nuttallii — Nuttall Oak, Texas Red Oak

Quercus obtusa — Laurel Oak, Swamp Laurel Oak, Diamond Leaf Oak

Quercus prinoides var. acuminata — Chinquapin Oak, Yellow Chestnut Oak, Yellow Oak

Quercus prinoides var. prinoides — Dwarf Chinquapin Oak

Quercus rubra — Southern Red Oak, Spanish Oak

Quercus rubra var. pagodaefolia — Cherrybark Oak, Swamp Spanish Oak

Quercus shumardii var. schneckii — Shumard Oak, Swamp Red Oak

Quercus shumardii var. texana — Nuttall Oak, Texas Red Oak

Quercus stellata var. boyntonii — Boynton Oak, Boynton Sand Post Oak

Quercus stellata var. margaretta — Sand Post Oak, Scrub Post Oak, Margaret's Oak

Quercus stellata var. stellata — Post Oak

Radicula palustris — Bog Yellowcress, Marshcress

Raimannia drummondii — Beach Evening Primrose, Drummond's Evening Primrose

Raimannia humifusa — Dunes Evening Primrose, Seabeach Evening Primrose, Spreading Evening Primrose

Raimannia laciniata — Cutleaf Evening Primrose

Raimannia mollissima — Dunes Evening Primrose, Seabeach Evening Primrose, Spreading Evening Primrose

Ramium niveum — Ramie

Ranunculus arvensis var. tuberculatus — Corn Crowfoot, Hungerweed

Ranunculus ficaria ssp. bulbilifer — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria ssp. calthifolius — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria ssp. chrysocephalus — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria ssp. ficaria — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria ssp. ficariiformis — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort

Ranunculus harveyi var. harveyi — Harvey's Buttercup, Harvey's Crowfoot

Ranunculus minimus — Mousetail

Ranunculus oblongifolius — Coastal Plain Spearwort

Ranunculus obtusiusculus — Water-plantain Crowfoot, Water-plantain Spearwort

Ranunculus palmatus — Carolina Buttercup, Swamp Buttercup

Ranunculus septentrionalis var. caricetorum — Northern Swamp Buttercup, Marsh Buttercup

Ranunculus septentrionalis var. pterocarpus — Northern Swamp Buttercup, Marsh Buttercup

Ranunculus septentrionalis var. septentrionalis — Northern Swamp Buttercup, Marsh Buttercup

Ratibida columnaris — Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower

Rehsonia ×formosa — Hybrid Asian Wisteria

Rehsonia floribunda — Japanese Wisteria

Rehsonia sinensis — Chinese Wisteria

Reynoutria ciliinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed

Reynoutria japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat

Reynoutria polystachya — Himalayan Knotweed, Kashmir Plume, cultivated knotweed

Rhacoma ilicifolia — Holly-leaf Rhacoma, Christmasberry, Quailberry

Rhamnus citrifolia — Dahurian Buckthorn, Davurian Buckthorn

Rhamnus davurica ssp. nipponica — Dahurian Buckthorn, Davurian Buckthorn

Rhamnus frangula — Glossy Buckthorn, European Alder-buckthorn

Rhaphis pauciflora — Florida Goldbeard, Florida Rhaphis, Florida Beardgrass

Rhexia ciliosa — Ciliate Meadowbeauty, Short Meadowbeauty, Fringed Meadowbeauty, Bog Meadowbeauty

Rhexia delicatula — Pale Meadowbeauty, Maryland Meadowbeauty, Dull Meadowbeauty

Rhexia lanceolata — White Meadowbeauty

Rhexia mariana — Pale Meadowbeauty, Maryland Meadowbeauty, Dull Meadowbeauty

Rhexia serrulata — Nuttall's Meadowbeauty

Rhexia stricta — Virginia Meadowbeauty, Wingstem Meadowbeauty, Deergrass

Rhexia virginica var. purshii — Virginia Meadowbeauty, Wingstem Meadowbeauty, Deergrass

Rhodiola roanensis — Roseroot, Goldenroot, King's Crown

Rhododendron bakeri — Cumberland Azalea, Baker's Azalea

Rhododendron canescens var. candidum — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea

Rhododendron canescens var. canescens — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea

Rhododendron canescens var. subglabrum — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea

Rhododendron minus var. minus — Gorge Rhododendron, Punctatum, Piedmont Rhododendron

Rhododendron minus var. minus — Carolina Rhododendron, Punctatum

Rhododendron oblongifolium — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Rhododendron speciosum — Oconee Azalea

Rhus hirta — Staghorn Sumac

Rhus pumila — Michaux's Sumac, Dwarf Sumac, False Poison Sumac

Rhus radicans var. radicans — Eastern Poison Ivy

Rhus radicans var. rydbergii — Wesern Poison Ivy

Rhus radicans var. vulgaris — Eastern Poison Ivy

Rhus radicans var. vulgaris — Midwestern Poison Ivy

Rhynchelytrum repens — Rose Natalgrass, Creeping Molasses-grass

Rhynchelytrum roseum — Rose Natalgrass, Creeping Molasses-grass

Rhynchosia erecta — Twining Snoutbean, Erect Snoutbean

Rhynchosia intermedia — Twining Snoutbean, Erect Snoutbean

Rhynchosia simplicifolius — Dollarweed, Dollarleaf Snoutbean, Roundleaf Snoutbean

Rhynchospora globularis var. recognita — Cymose Beakrush, Cymose Beaksedge

Rhynchospora glomerata var. glomerata — Clustered Beaksedge

Rhytidomene lupinellus — Lupine Scurfpea, Sandhill Scurfpea, Lupine Leatherroot

Ribes grossularia — Garden Gooseberry, European Gooseberry

Ribes sativum — Garden Red Currant, cultivated currant

Ridan alternifolia — Common Wingstem

Ridan paniculata — Walter's Wingstem, Carolina Crownbeard, Walter's Crownbeard

Riedlea hirsuta — Bretonica-peluda

Robinia elliottii — Dwarf Bristly Locust, Dwarf Locust

Robinia fertilis — Arnot Bristly Locust, Fruitful Locust

Robinia grandiflora — Arnot Bristly Locust, Fruitful Locust

Robinia pallida — Common Bristly Locust

Robinia speciosa — Common Bristly Locust

Robinia viscosa var. hartwigii — Granite Dome Locust, Highlands Locust, Hartwig's Locust

Rorippa microphylla — Narrow-fruited Watercress, One-row Yellowcress

Rorippa nasturtium-aquaticum — Watercress

Rorippa palustris — Bog Yellowcress, Marshcress

Rorippa palustris ssp. glabra var. fernaldiana — Bog Yellowcress, Marshcress

Rorippa palustris var. palustris — Bog Yellowcress, Marshcress

Rosa blanda — Smooth Rose, Meadow Rose

Rosa floridana — Swamp Rose

Rosa gallica — Damask Rose, French Rose

Rosa lancifolia — Swamp Rose

Rosa luciae — Memorial Rose, Dorothy Perkins Rose, Lucie Rose

Rosa lyoni — Carolina Rose

Rosa obtusiuscula — Swamp Rose

Rosa serrulata — Carolina Rose

Rosa setigera var. setigera — Ozark Rose, Climbing Prairie Rose

Rosa setigera var. tomentosa — Ozark Rose, Climbing Prairie Rose

Rosa virginiana — Virginia Rose

Rottboellia exaltata — Itch-grass

Rubus andrewsianus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus apogaeus — Common Dewberry, Northern Dewberry

Rubus arenicola — Common Dewberry, Northern Dewberry

Rubus armeniacus — European Blackberry, Himalayan Blackberry, Himalaya-berry

Rubus arvensis — Sawtooth Blackberry

Rubus audax — Sand Blackberry

Rubus baileyanus — Common Dewberry, Northern Dewberry

Rubus betulifolius — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus boyntonii — Common Dewberry, Northern Dewberry

Rubus carolinianus — American Red Raspberry

Rubus clarus — Common Dewberry, Northern Dewberry

Rubus dalibarda — Robin-runaway, Star-violet, Dewdrop

Rubus defectionis — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus depavitus — Common Dewberry, Northern Dewberry

Rubus discolor — Chesapeake Blackberry, Topsy Blackberry

Rubus elegantulus — Bristly Blackberry

Rubus floricomus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus floridus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus frondosus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus grimesii — Common Dewberry, Northern Dewberry

Rubus idaeus ssp. sachalinensis — American Red Raspberry

Rubus idaeus var. idaeus — Eurasian Red Raspberry

Rubus idaeus var. strigosus — American Red Raspberry

Rubus immanis — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus iniens — Common Dewberry, Northern Dewberry

Rubus invisus — Common Dewberry, Northern Dewberry

Rubus jaysmithii — Common Dewberry, Northern Dewberry

Rubus laudatus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus linkianus — European Blackberry, Himalayan Blackberry, Himalaya-berry

Rubus longii — Sand Blackberry

Rubus lucidus — Southern Dewberry, Coastal Plain Dewberry

Rubus nefrens — Common Dewberry, Northern Dewberry

Rubus nigrobaccus — Allegheny Blackberry

Rubus obvius — Common Dewberry, Northern Dewberry

Rubus odoratus var. columbianus — Purple Flowering-raspberry, Thimbleberry, Eastern Mapleleaf-raspberry

Rubus particularis — Common Dewberry, Northern Dewberry

Rubus pauxillus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus pergratus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus pernagaeus — Common Dewberry, Northern Dewberry

Rubus plexus — Common Dewberry, Northern Dewberry

Rubus probabilis — Sand Blackberry

Rubus procerus — European Blackberry, Himalayan Blackberry, Himalaya-berry

Rubus racemiger — Bristly Blackberry

Rubus recurvans — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus repens — Robin-runaway, Star-violet, Dewdrop

Rubus rosarius — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry

Rubus scambens — Common Dewberry, Northern Dewberry

Rubus semisetosus — Bristly Blackberry

Rubus sewardianus — Common Dewberry, Northern Dewberry

Rubus strigosus — American Red Raspberry

Rubus temerarius — Common Dewberry, Northern Dewberry

Rubus whartoniae — Common Dewberry, Northern Dewberry

Rudbeckia acuminata — Common Eastern Coneflower, Orange Coneflower

Rudbeckia amplectens — Woodland Black-eyed Susan

Rudbeckia beadlei — Chauncey's Coneflower

Rudbeckia bicolor — Weedy Black-eyed Susan

Rudbeckia brittonii — Woodland Black-eyed Susan

Rudbeckia divergens — Coastal Plain Black-eyed Susan

Rudbeckia foliosa — Common Eastern Coneflower, Orange Coneflower

Rudbeckia fulgida var. spathulata — Orange Coneflower

Rudbeckia glabra — Narrow-leaved Coneflower, St. John's Black-eyed Susan, Shiny Coneflower

Rudbeckia longipes — Weedy Black-eyed Susan

Rudbeckia monticola — Woodland Black-eyed Susan

Rudbeckia nitida var. nitida — Narrow-leaved Coneflower, St. John's Black-eyed Susan, Shiny Coneflower

Rudbeckia rupestris — Blue Ridge Three-lobed Coneflower, Brown-eyed Susan

Rudbeckia sericea — Weedy Black-eyed Susan

Rudbeckia triloba var. beadleyi — Chauncey's Coneflower

Ruellia caroliniansis ssp. ciliosa var. cinerascens — Sandhills Wild-petunia, Dwarf Wild-petunia

Ruellia caroliniensis ssp. ciliosa var. ciliosa — Sandhills Wild-petunia, Dwarf Wild-petunia

Ruellia malacosperma — Mexican Bluebell, Mexican Petunia

Ruellia parviflora — Carolina Wild-petunia, Common Wild-petunia, Hairy Ruellia

Ruellia pedunculata — Pursh's Wild-petunia

Rufacer carolinianum — Carolina Red Maple, Trident Red Maple

Rufacer drummondii — Drummond’s Maple, Swamp Red Maple, Drummond’s Red Maple

Rufacer rubrum — Eastern Red Maple

Rumex acetosella ssp. pyrenaicus — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel

Rumex acetosella var. acetosella — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel

Rumex acetosella var. pyrenaeus — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel

Rumex spinosus — Spiny Emex

Ruscus aculeatus — Butcher's Broom, Knee Holly

Rynchospora caduca — Angle-stem Beaksedge

Rynchospora capitellata — Brownish Beaksedge

Rynchospora careyana — Carey's Horned Beaksedge, broadfruit horned beaksedge

Rynchospora corniculata — Short-bristled Horned Beaksedge

Rynchospora cymosa — Cymose Beakrush, Cymose Beaksedge

Rynchospora dodecandra — Sandy-field Beaksedge, Sandhill Beaksedge

Rynchospora filifolia — Threadleaf Beaksedge

Rynchospora globularis — Globe Beaksedge

Rynchospora glomerata — Clustered Beaksedge

Rynchospora gracilenta — Slender Beaksedge

Rynchospora harperi — Harper's Beaksedge

Rynchospora inexpansa — Nodding Beaksedge

Rynchospora inundata — Narrow-fruit Horned Beaksedge

Rynchospora leptocarpa — Slender-fruit Beaksedge

Rynchospora macra — Southern White Beaksedge

Rynchospora miliacea — Millet Beaksedge

Rynchospora pallida — Pale Beaksedge

Rynchospora patula — Angle-stem Beaksedge

Rynchospora pinetorum — Small's Beakrush, Small's Beaksedge

Rynchospora rariflora — Few-flower Beaksedge

Rynchospora tracyi — Tracy's Beaksedge

Sabal deeringiana — Dwarf Palmetto, Bush Palmetto, Dwarf Blue Palmetto, Bluestem Palmetto

Sabal jamesiana — Cabbage Palmetto

Sabbatia angularis — Rose-pink, Bitterbloom, Common Marsh-pink, American Centaury

Sabbatia brachiata — Narrowleaf Rose-pink, Narrowleaf Rose-gentian, Narrowleaf Sabatia

Sabbatia calycina — Coastal Rose-pink, Coastal Rose-gentian

Sabbatia campanulata — Annual Sea-pink, Salt-marsh Pink, Rose-of-Plymouth

Sabbatia campanulata — Slender Marsh-pink, Slender Rose-gentian

Sabbatia decandra — Bartram's Rose-gentian

Sabbatia dodecandra — Perennial Sea-pink, Large Marsh Rose-pink, Marsh Rose-gentian

Sabbatia foliosa — Blackwater Rose-pink, Marsh Rose-gentian

Sabbatia grandiflora — Largeflower Rose-gentian

Sabbatia harperi — Blackwater Rose-pink, Marsh Rose-gentian

Sabbatia paniculata — Four-angle Sabatia, Four-angle Rose-gentian

Sabina silicicola — Southern Red Cedar, Coastal Red Cedar

Sabina virginiana — Eastern Red Cedar

Sabulina brevifolia — Piedmont Sandwort, One-flower Sandwort

Sabulina caroliniana — Carolina Sandwort, Longroot, Pine-barren Sandwort

Sabulina glabra — Appalachian Sandwort

Sabulina groenlandica — Mountain Sandwort, Greenland Sandwort

Sabulina uniflora — Godfrey's Sandwort

Saccharodendron barbatum — Sugar Maple, Hard Maple, Sugar-tree

Saccharodendron floridanum — Southern Sugar Maple, Florida Maple

Saccharodendron leucoderme — Chalk Maple, Small Chalk Maple, White-bark Maple

Saccharodendron nigrum — Black Maple

Saccharum alopecuroidum — Silver Plumegrass

Sagittaria angustifolia — Bulltongue Arrowhead

Sagittaria cycloptera — Grassleaf Arrowhead, Grassy Arrowhead

Sagittaria engelmanniana ssp. engelmanniana — Engelmann's Arrowhead, Blackwater Arrowhead

Sagittaria engelmanniana ssp. longirostra — Appalachian Arrowhead, Southern Arrowhead, Longbeak Arrowhead

Sagittaria graminea ssp. chapmanii — Chapman's Arrowhead

Sagittaria graminea ssp. graminea — Grassleaf Arrowhead, Grassy Arrowhead

Sagittaria graminea ssp. weatherbiana — Weatherby’s Arrowhead

Sagittaria macrocarpa — Bunched Arrowhead

Sagittaria mohrii — Delta Arrowhead

Salicornia perennis — Perennial Glasswort, Woody Glasswort, Pickleweed

Salix ×fragilis — Crack Willow, Brittle Willow

Salix amphibia — Carolina Willow, Coastal Plain Willow

Salix cinerea ssp. cinerea — European Gray Willow

Salix cinerea ssp. oleifolia — Olive-leaf Willow, Common Sallow, Large Gray Willow

Salix coactilis — Silky Willow, Shrub Willow, Satin Willow

Salix humilis var. microphylla — Dwarf Upland Willow, Dwarf Prairie Willow, Sage Willow

Salix longipes — Carolina Willow, Coastal Plain Willow

Salix marginata — Black Willow

Salix matsudana — Weeping Willow

Salix tristis — Dwarf Upland Willow, Dwarf Prairie Willow, Sage Willow

Salsola kali var. tenuifolia — Russian Thistle, Tumbleweed

Salsola pestifer — Russian Thistle, Tumbleweed

Salvinia ×molesta — Giant Salvinia, Kariba Weed

Salvinia adnata — Giant Salvinia, Kariba Weed

Salvinia auriculata — Water Spangles, Floating Fern

Sambucus canadensis var. canadensis — Common Elderberry, American Elder

Sambucus racemosa — Eastern Red Elderberry, Red-berried Elder

Sambucus simpsonii — Common Elderberry, American Elder

Samolus floribundus — Water-pimpernel, Brookweed

Samolus valerandi — Water-pimpernel, Brookweed

Sanguisorba canadensis ssp. latifolia — Canada Burnet, American Burnet, White Burnet

Sanguisorba minor ssp. muricata — Salad Burnet, Garden Burnet, Fodder Burnet

Sanicula floridana — Florida Sanicle, Florida Snakeroot, Florida Black-snakeroot

Sanicula marylandica — Black Snakeroot, Maryland Sanicle, Maryland Black-snakeroot

Sapindus drummondii — Western Soapberry

Sapindus saponaria — Florida Soapberry

Sarcocornia ambigua — Perennial Glasswort, Woody Glasswort, Pickleweed

Sarcocornia pacifica — Perennial Glasswort, Woody Glasswort, Pickleweed

Sarothra drummondii — Drummond's St. Johnswort, Nits-and-lice

Sarothra gentianoides — Pineweed, Orange-grass, Orangeweed

Sarracenia drummondii — Whitetop Pitcherplant, Crimson Pitcherplant

Sarracenia purpurea ssp. gibbosa — Northern Purple Pitcherplant

Sarracenia purpurea ssp. purpurea — Northern Purple Pitcherplant

Sarracenia purpurea ssp. purpurea — Southern Appalachian Purple Pitcherplant

Sarracenia purpurea ssp. purpurea var. burkii — Rose Pitcherplant, Gulf Coast Pitcherplant

Sarracenia purpurea ssp. venosa — Southern Purple Pitcherplant, Frog's Breeches, Hunter's Cup

Sarracenia purpurea ssp. venosa var. burkii — Rose Pitcherplant, Gulf Coast Pitcherplant

Sarracenia purpurea ssp. venosa var. montana — Southern Appalachian Purple Pitcherplant

Sarracenia purpurea ssp. venosa var. venosa — Southern Purple Pitcherplant, Frog's Breeches, Hunter's Cup

Sasa japonica — Arrow Bamboo

Satureja ashei — Ashe's Savory, Ashe's Calamint, Ohoopee Dunes Wild Basil

Satureja coccinea — Scarlet Wild Basil, Scarlet Calamint, Red Mint Shrub, Red Basil

Satureja rigida — Florida Pennyroyal, Wild Pennyroyal

Schedonorus phoenix — Tall Fescue, Alta Fescue

Schinus terebinthifolia var. raddianus — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree

Schinus terebinthifolia var. rhoifolius — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree

Schinus terebinthifolius — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree

Schisandra coccinea — Bay Star-vine, Climbing-magnolia, Magnolia-vine

Schizachyrium scoparium ssp. scoparium — Common Little Bluestem

Schizandra coccinea — Bay Star-vine, Climbing-magnolia, Magnolia-vine

Schmaltzia crenata — Fragrant Sumac, Squawbush

Schoenolirion texanum — Texas Sunnybell

Schoenoplectus mucronatus — Roughseed Bulrush, Bog Bulrush, Ricefield Bulrush

Schoenoplectus robustus — Saltmarsh Bulrush

Schrankia microphylla var. floridana — Florida Sensitive-briar, Powderpuff Mimosa

Schwalbea americana var. americana — American Chaffseed

Schwalbea americana var. australis — American Chaffseed

Schwalbea australis — American Chaffseed

Scilla non-scripta — English Bluebell

Scilla nonscripta — English Bluebell

Scirpus atrovirens var. atrovirens — Black Bulrush, Dark-green Bulrush

Scirpus atrovirens var. georgianus — Georgia Bulrush

Scirpus caespitosus — Deerhair Bulrush, Deergrass, Tufted Bulrush

Scirpus californicus — Giant Bulrush, Southern Bulrush, Tule, California Bulrush

Scirpus carinatus — Keeled Bulrush

Scirpus cespitosus — Deerhair Bulrush, Deergrass, Tufted Bulrush

Scirpus cubensis — Cuban-bulrush

Scirpus eriophorum — Woolgrass Bulrush, Marsh Bulrush, Woolly Bulrush

Scirpus mucronatus — Roughseed Bulrush, Bog Bulrush, Ricefield Bulrush

Scirpus pungens var. pungens — Common Threesquare, Chairmaker's Rush, Swordgrass

Scirpus sylvaticus — Woodland Bulrush

Scirpus tabernaemontani — Softstem Bulrush, Great Bulrush

Scleria elliottii — Broad-leaved Hairy Nutrush, Elliott's Nutrush

Scutellaria altamaha ssp. australis — Hoary Skullcap, Downy Skullcap

Scutellaria altamaha var. australis — Hoary Skullcap, Downy Skullcap

Scutellaria ambigua — Shale-barren Skullcap, Glade Skullcap, Leonard's Skullcap

Scutellaria arguta — Heartleaf Skullcap

Scutellaria cuthbertii — Heartleaf Skullcap

Scutellaria integrifolia var. hispida — Hyssop Skullcap, Narrowleaf Skullcap

Scutellaria integrifolia var. multiglandulosa — Small's Skullcap

Scutellaria ovalifolia — Kentucky Skullcap, Hairy Skullcap

Scutellaria ovalifolia — Hairy Skullcap, Elliptic-leaved Skullcap

Scutellaria ovalifolia ssp. hirsuta — Kentucky Skullcap, Hairy Skullcap

Scutellaria ovalifolia ssp. mollis — Hairy Skullcap, Elliptic-leaved Skullcap

Scutellaria ovata ssp. calcarea — Heartleaf Skullcap

Scutellaria ovata ssp. cuthbertii — Heartleaf Skullcap

Scutellaria ovata ssp. mexicana — Heartleaf Skullcap

Scutellaria ovata ssp. ovata var. ovata — Heartleaf Skullcap

Scutellaria ovata ssp. pseudoarguta — Heartleaf Skullcap

Scutellaria ovata ssp. rugosa var. rugosa — Heartleaf Skullcap

Scutellaria ovata ssp. venosa — Heartleaf Skullcap

Scutellaria ovata ssp. versicolor — Heartleaf Skullcap

Scutellaria ovata ssp. virginiana — Heartleaf Skullcap

Scutellaria ovata var. calcarea — Heartleaf Skullcap

Scutellaria ovata var. versicolor — Heartleaf Skullcap

Scutellaria parvula var. leonardii — Shale-barren Skullcap, Glade Skullcap, Leonard's Skullcap

Scutellaria punctata — Hoary Skullcap, Downy Skullcap

Scutellaria serrata var. montana — Large-flowered Skullcap

Scutellaria serrata var. serrata — Showy Skullcap, Serrate Skullcap

Sebastiana ligustrina — Sebastian-bush

Sebastiania fruticosa — Sebastian-bush

Sedum rosea var. roanense — Roseroot, Goldenroot, King's Crown

Sedum vigilimontis — Widow's Cross, Glade Stonecrop, Rock Moss, Lime Stonecrop

Selaginella apoda var. apoda — Meadow Spikemoss

Selaginella apoda var. ludoviciana — Louisiana Spikemoss, Gulf Spikemoss

Senecio alabamensis — Woolly Ragwort, Woolly Groundsel, Woolly Goldenwort

Senecio anonymus — Small's Ragwort, Squaw-weed, Appalachian Ragwort

Senecio crawfordii — Bog Ragwort, Crawford's Groundsel, Crawford’s Ragwort

Senecio gracilis — Golden Ragwort, Heartleaf Ragwort, Golden Groundsel

Senecio plattensis — Appalachian Ragwort, Appalachian Groundsel

Senecio rotundus — Roundleaf Ragwort, Roundleaf Groundsel, Spatulate-leaved Ragwort, Running Ragwort

Senecio schweinitzianus — Robbins' Ragwort, New England Ragwort, New England Groundsel, Schweinitz's Ragwort

Senecio suaveolens — Sweet-scented Indian-plantain, Sweet Indian-plantain, false Indian plantain

Sericocarpus bifoliatus — Twisted-leaf Whitetop Aster, Dixie Whitetop Aster

Serinia oppositifolia — Opposite-leaf Dwarf-dandelion

Sesban exaltatus — Bigpod Sesbania, Coffee-weed, Indigo-weed, Hemp Sesbania

Sesbania macrocarpa — Bigpod Sesbania, Coffee-weed, Indigo-weed, Hemp Sesbania

Setaria faberii — Nodding Foxtail Grass, Giant Foxtail-grass, Chinese Foxtail

Setaria geminata var. geminata — Alligator Grass, Paspalidium, Kissimmee Grass

Setaria geminata var. paludivaga — Alligator Grass, Paspalidium, Kissimmee Grass

Setaria lutescens — Yellow Foxtail

Setaria pumila ssp. pallidifusca — Yellow Foxtail

Setaria pumila ssp. pumila — Yellow Foxtail

Setaria verticillata var. verticillata — Hooked Bristlegrass

Setiscapella cleistogama — Slender Bladderwort, Zigzag Bladderwort

Setiscapella subulata — Slender Bladderwort, Zigzag Bladderwort

Seutera angustifolia — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum

Seymeria macrophylla — Mullein Foxglove

Sherwoodia galacifolia — Oconee Bells, Southern Shortia

Sherwoodia galacifolia — Northern Shortia, Northern Oconee Bells

Sibbaldia retusa — Wineleaf Cinqefoil, Mountain Cinqefoil, Three-toothed Cinqefoil, Mountain White Potentilla

Sibbaldia tridentata — Wineleaf Cinqefoil, Mountain Cinqefoil, Three-toothed Cinqefoil, Mountain White Potentilla

Sida inflexa — Coastal Plain Sida, Elliott's Fanpetals

Sideroxylon lanuginosum ssp. albicans — Eastern Gum Bumelia, Eastern Gum Bully

Sideroxylon lanuginosum ssp. oblongifolium — Eastern Gum Bumelia, Eastern Gum Bully

Sieversia radiata — Mountain Avens, Appalachian Avens, Spreading Avens, Cliff Avens

Silene alba — Snowy Campion

Silene baldwinii — Eastern Fringed Campion, Eastern Fringed Catchfly

Silene caroliniana ssp. caroliniana var. caroliniana — South Carolina Wild-pink, Rock Catchfly, Carolina Pink

Silene caroliniana ssp. caroliniana var. pensylvanica — Northern Wild-pink, Sticky Catchfly, Pennsylvania Catchfly

Silene catesbaei — Eastern Fringed Campion, Eastern Fringed Catchfly

Silene flos-cuculi — Ragged Robin

Silene pensylvanica — Northern Wild-pink, Sticky Catchfly, Pennsylvania Catchfly

Silphium asteriscus var. angustatum — Starry Rosinweed

Silphium asteriscus var. dentatum — Starry Rosinweed

Silphium asteriscus var. simpsonii — Simpson's rosinweed

Silphium compositum — Carolina Rosinweed, Compassplant, Rhubarb-leaved Rosinweed

Silphium compositum — Ragged Rosinweed, Kidneyleaf Rosinweed

Silphium dentatum var. gatesii — Starry Rosinweed

Silphium elliottii — Starry Rosinweed

Silphium glabrum — Whorled Rosinweed

Silphium gracile — Simpson's rosinweed

Silphium incisum — Starry Rosinweed

Silphium integrifolium var. deamii — Prairie Rosinweed

Silphium integrifolium var. laeve — Gattinger's Rosinweed

Silphium laciniatum var. robinsonii — Compassplant

Silphium nodosum — Starry Rosinweed

Silphium nodum — Starry Rosinweed

Silphium orae — Carolina Rosinweed, Compassplant, Rhubarb-leaved Rosinweed

Silphium rumicifolium — Prairie-dock, Broadleaf Prairie-dock

Silphium scaberrimum — Starry Rosinweed

Silphium terebinthinaceum var. luciae-brauniae — Prairie-dock, Broadleaf Prairie-dock

Silphium terebinthinaceum var. lucy-brauniae — Prairie-dock, Broadleaf Prairie-dock

Silphium terebinthinaceum var. lucybrauniae — Prairie-dock, Broadleaf Prairie-dock

Silphium terebinthinaceum var. pinnatifidum — Tansy Rosinweed, Cutleaf Prairie-dock

Sisymbrium nasturtium-aquaticum — Watercress

Sisymbrium officinale var. leiocarpum — Hedge Mustard

Sisyrinchium brownei — Annual Blue-eyed-grass, Lawn Blue-eyed-grass, Fairy Stars

Sisyrinchium fibrosum — Nash's Blue-eyed-grass

Sisyrinchium graminoides — Narrowleaf Blue-eyed-grass, Stout Blue-eyed-grass

Sisyrinchium incrustatum — Bristly Blue-eyed-grass, Coastal Plain Blue-eyed-grass

Sisyrinchium scabrellum — Pale Blue-eyed-grass, White Blue-eyed-grass

Sitilias caroliniana — Carolina False-dandelion, Carolina Desert-chicory

Sium cicutaefolium — Hemlock Water-parsnip

Sium floridanum — Hemlock Water-parsnip

Smilacina stellata — Starry Solomon's Plume, Starflower, Starry Solomon's Seal

Smilax glauca var. glauca — Whiteleaf Greenbrier, Wild Sarsaparilla, Sawbrier

Smilax glauca var. leurophylla — Whiteleaf Greenbrier, Wild Sarsaparilla, Sawbrier

Smilax herbacea var. lasioneura — Midwestern Carrionflower

Smilax lanceolata — Jackson-brier, Unarmed Catbrier, Sweet-scented Smilax

Smilax lasioneuron — Midwestern Carrionflower

Smilax pseudo-china — Coastal Carrionflower, Bamboo-vine

Smilax tamnoides var. hispida — Bristly Greenbrier, Hellfetter, Chinaroot, Chaneyroot

Snakeberry — Indian Strawberry, Mock Strawberry

Solanum capsicastrum — Jerusalem-cherry

Solanum nigrum ssp. nigrum — European Black Nightshade

Solanum physalifolium var. nitidibaccum — Hairy Nightshade, Viscid Nightshade

Solanum pseudo-capsicum — Jerusalem-cherry

Solanum ptychanthum — Eastern Black Nightshade

Solanum sarachoides — Hairy Nightshade, Viscid Nightshade

Solidago altissima ssp. altissima — Tall Goldenrod, Field Goldenrod, Common Goldenrod

Solidago altissima ssp. altissima — Southern Tall Goldenrod

Solidago arguta ssp. arguta — Forest Goldenrod, Sharp-leaved Goldenrod, Cutleaf Goldenrod

Solidago arguta ssp. arguta var. arguta — Forest Goldenrod, Sharp-leaved Goldenrod, Cutleaf Goldenrod

Solidago arguta ssp. caroliniana var. boottii — Boott's Goldenrod, Cutleaf Goldenrod

Solidago arguta ssp. caroliniana var. caroliniana — Vasey's Goldenrod, Atlantic Goldenrod

Solidago aspera — Wrinkleleaf Goldenrod

Solidago boottii var. caroliniana — Vasey's Goldenrod, Atlantic Goldenrod

Solidago caesia var. caesia — Bluestem Goldenrod, Axillary Goldenrod, Wreath Goldenrod, Bridal-wreath Goldenrod

Solidago caesia var. curtisii — Curtis's Goldenrod

Solidago canadensis — Tall Goldenrod, Field Goldenrod, Common Goldenrod

Solidago canadensis — Harger's Common Goldenrod, Harger's Canada Goldenrod

Solidago canadensis — Canada Goldenrod

Solidago canadensis — Riverbank Goldenrod, Rock Goldenrod

Solidago canadensis — Southern Tall Goldenrod

Solidago canadensis var. rupestris — Riverbank Goldenrod, Rock Goldenrod

Solidago canadensis var. scabra — Tall Goldenrod, Field Goldenrod, Common Goldenrod

Solidago canadensis var. scabra — Southern Tall Goldenrod

Solidago celtidifolia — Hackberry-leaf Goldenrod

Solidago conferta — Showy Goldenrod, Noble Goldenrod

Solidago curtisii var. flaccidifolia — Appalachian Goldenrod, Mountain Goldenrod

Solidago curtisii var. pubens — Curtis's Goldenrod

Solidago glaberrima — Eastern Missouri Goldenrod

Solidago harperi — Showy Goldenrod, Noble Goldenrod

Solidago harperi — Downy Ragged Goldenrod, Downy Goldenrod

Solidago hirsutissima — Tall Goldenrod, Field Goldenrod, Common Goldenrod

Solidago hirsutissima — Southern Tall Goldenrod

Solidago hispida — Hairy Goldenrod

Solidago juncea var. juncea — Early Goldenrod

Solidago juncea var. neobohemica — Early Goldenrod

Solidago leptocephala — Narrowhead Goldentop, Mississippi Valley Flat-topped Goldenrod

Solidago ludoviciana — Atlantic Goldenrod

Solidago milleriana — Downy Ragged Goldenrod, Downy Goldenrod

Solidago missouriensis — Eastern Missouri Goldenrod

Solidago nemoralis ssp. nemoralis — Eastern Gray Goldenrod

Solidago odora ssp. chapmanii — Chapman's Goldenrod

Solidago odora ssp. odora — Licorice Goldenrod, Sweet Goldenrod, Anise Goldenrod, Anise-scented Goldenrod

Solidago patula ssp. patula — Northern Roughleaf Goldenrod

Solidago patula ssp. strictula — Southern Roughleaf Goldenrod

Solidago perlonga — Pine Barren Bog Goldenrod, Northern Wand Goldenrod

Solidago petiolata — Southern Wand Goldenrod

Solidago pubens — Curtis's Goldenrod

Solidago puberula ssp. puberula — Downy Goldenrod

Solidago puberula ssp. pulverulenta — Dusty Downy Goldenrod

Solidago purshii — Narrowleaf Bog Goldenrod

Solidago radula var. stenolepis — Rough Goldenrod

Solidago rigida ssp. glabrata — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod

Solidago rigida ssp. rigida — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod

Solidago rigida var. glabrata — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod

Solidago rigida var. grandiflorus — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod

Solidago rigida var. rigida — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod

Solidago rugosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod

Solidago rugosa — Wrinkleleaf Goldenrod

Solidago rugosa — Cronquist's Wrinkleleaf Goldenrod, Cronquist's Goldenrod

Solidago rugosa — Peat-loving Goldenrod

Solidago rugosa — Hackberry-leaf Goldenrod

Solidago rugosa ssp. aspera var. aspera — Wrinkleleaf Goldenrod

Solidago rugosa ssp. aspera var. celtidifolia — Hackberry-leaf Goldenrod

Solidago rugosa ssp. aspera var. cronquistiana — Cronquist's Wrinkleleaf Goldenrod, Cronquist's Goldenrod

Solidago rugosa ssp. rugosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod

Solidago rugosa ssp. rugosa var. villosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod

Solidago rugosa var. sphagnophila — Peat-loving Goldenrod

Solidago rugosa var. villosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod

Solidago sempervirens ssp. mexicana — Southern Seaside Goldenrod

Solidago sempervirens ssp. sempervirens — Northern Seaside Goldenrod

Solidago serotina — Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

Solidago speciosa ssp. speciosa var. rigidiuscula — Narrowleaf Showy Goldenrod, Slender Showy Goldenrod, Stiff-leaved Showy Goldenrod, Prairie Goldenrod

Solidago speciosa ssp. speciosa var. speciosa — Showy Goldenrod, Noble Goldenrod

Solidago speciosa var. erecta — Slender Goldenrod, Erect Goldenrod

Solidago spithamea — Blue Ridge Goldenrod

Solidago stricta ssp. gracillima — Pine Barren Bog Goldenrod, Northern Wand Goldenrod

Solidago stricta ssp. gracillima — Southern Bog Goldenrod, Graceful Goldenrod

Solidago stricta ssp. gracillima — Piedmont Wand Goldenrod

Solidago stricta ssp. stricta — Southern Wand Goldenrod

Solidago strigosa — Boott's Goldenrod, Cutleaf Goldenrod

Solidago tenuifolia — Carolina Goldentop, Slender Flattop Goldenrod

Solidago ulmifolia var. palmeri — Elmleaf Goldenrod

Solidago uniligulata — Northern Bog Goldenrod, Swamp Goldenrod

Solidago yadkinensis — Vasey's Goldenrod, Atlantic Goldenrod

Sonchus uliginosus — Field Sowthistle, Perennial Sowthistle

Sophia pinnata — Southeastern Tansy-mustard

Sophora japonica — Japanese Pagoda Tree

Sorengia tenera — Southeastern Panicgrass

Sorghum bicolor var. bicolor — Sorghum, Milo, Broomcorn, Sorgo

Sorghum vulgare var. vulgare — Sorghum, Milo, Broomcorn, Sorgo

Sorgum halepense — Johnsongrass

Sorgum vulgare — Sorghum, Milo, Broomcorn, Sorgo

Spartina alterniflora var. alterniflora — Saltmarsh Cordgrass, Smooth Cordgrass

Spartina alterniflora var. glabra — Saltmarsh Cordgrass, Smooth Cordgrass

Spartina alterniflora var. pilosa — Saltmarsh Cordgrass, Smooth Cordgrass

Spartina patens var. monogyna — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass

Spartina patens var. patens — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass

Spathyema foetida — Skunk Cabbage

Sphenopholis obtusata var. major — Slender Wedgegrass

Sphenopholis obtusata var. obtusata — Prairie Wedgegrass

Spigelia marylandica — Indian-pink, Woodland Pinkroot, Wormgrass

Spilanthes americana — Spilanthes, Creeping Spotflower

Spiraea betulifolia var. corymbosa — Dwarf Spiraea, Rock Spiraea, Shinyleaf Meadowsweet

Spiraea septentrionalis — Broadleaf Meadowsweet

Spiraea tomentosa var. rosea — Hardhack, Steeplebush, Rosy Meadowsweet

Spiraea tomentosa var. tomentosa — Hardhack, Steeplebush, Rosy Meadowsweet

Spiranthes ×laciniata — Lace-lip Ladies'-tresses, Lace-lip Spiral Orchid

Spiranthes brevilabris var. brevilabris — Short-lipped Ladies'-tresses, Texas Ladies'-tresses

Spiranthes brevilabris var. floridana — Florida Ladies'-tresses

Spiranthes cernua var. ochroleuca — Yellow Ladies'-tresses, Yellow Nodding Ladies'-tresses

Spiranthes gracilis — Southern Slender Ladies'-tresses

Spiranthes gracilis — Northern Slender Ladies'-tresses

Spiranthes gracilis var. brevilabris — Short-lipped Ladies'-tresses, Texas Ladies'-tresses

Spiranthes lacera — Northern Slender Ladies'-tresses

Spiranthes lacera var. eatonii — Eaton's Ladies'-tresses

Spiranthes parksii — Nodding Ladies'-tresses

Spirodela punctata — Dotted Duckmeat

splenium ×heteroresiliens — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort

Sporobolus alterniflorus — Saltmarsh Cordgrass, Smooth Cordgrass

Sporobolus asper — Tall Dropseed

Sporobolus asper var. asper — Tall Dropseed

Sporobolus berteroanus — West Indian Dropseed

Sporobolus berteroanus — Smut-grass, Blackseed

Sporobolus compositus var. clandestinus — Rough Dropseed

Sporobolus cynosuroides — Giant Cordgrass, Big Cordgrass

Sporobolus gracilis — Sandhills Dropseed, Pineywoods Dropseed

Sporobolus pumilus — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass

Sporobolus pyramidalis — West Indian Dropseed

Stachys ambigua — Roughleaf Hedgenettle, Rough Hedgenettle

Stachys hyssopifolia var. lythroides — Roughleaf Hedgenettle, Rough Hedgenettle

Stachys lythroides — Roughleaf Hedgenettle, Rough Hedgenettle

Stachys olympica — Lamb's-ear, Woolly Hedge-nettle

Stachys palustris var. palustris — marsh hedgenettle

Stachys palustris var. pilosa — Woundwort

Stachys riddellii — Heart-leaved Hedgenettle

Stachys riddellii — Nuttall’s Hedgenettle

Stachys salvioides — Heart-leaved Hedgenettle

Stachys salvioides — Nuttall’s Hedgenettle

Stachys tenuifolia var. hispida — Hispid Hedgenettle

Stachys tenuifolia var. latidens — Broadtooth Hedgenettle

Stachys tenuifolia var. perlonga — Smooth Hedgenettle

Stachys tenuifolia var. tenuifolia — Smooth Hedgenettle

Stachys tenuifolia var. tenuifolia — Hispid Hedgenettle

Steironema heterophyllum — Lanceleaf Loosestrife

Steironema intermedium — Southern Loosestrife, Appalachian Loosestrife

Steironema quadriflora — Prairie Loosestrife, Four-flower Loosestrife, Smooth Loosestrife

Stellaria pubera var. pubera — Star Chickweed, Giant Chickweed, Great Chickweed, Common Starwort

Stellaria pubera var. silvatica — Tennessee Starwort

Stellaria silvatica — Tennessee Starwort

Stenanthium gramineum var. micranthum — Featherbells, Eastern Featherbells

Stenanthium robustum — Bog Featherbells

Stenophyllus barbatus — Old World Hairsedge, Water-grass

Stenophyllus capillaris — Densetuft Hairsedge, Common Hairsedge

Stenophyllus ciliatifolius — Savannah Hairsedge, Capillary Hairsedge

Stenophyllus coarctatus — Elliott's Hairsedge

Stenophyllus stenophyllus — Sandy-field Hairsedge

Stenophyllus warei — Ware's Hairsedge

Stewartia malachodendron — Silky Camellia, Virginia Stewartia, Stewartia

Stillingia spathulata — Queen's-delight

Stillingia sylvatica var. sylvatica — Queen's-delight

Stillingia tenuis — Corkwood, Water Toothleaf

Stipa trichotoma — Serrated Tussockgrass, Nassella Tussock, Yass River Tussock

Stipulicida filiformis — Coastal Plain Wireplant, Pineland Scaly-pink

Stomoisia cornuta — Horned Bladderwort

Stomoisia juncea — Southern Bladderwort, Slender Horned Bladderwort

Stomoisia virgatula — Southern Bladderwort, Slender Horned Bladderwort

Streptopus amplexifolius var. americanus — Clasping Twisted-stalk, White Mandarin, Pagoda-bells

Streptopus lanceolatus — Rosy Twisted-stalk, Eastern Rose Mandarin, Eastern Twisted-stalk

Streptopus lanceolatus var. roseus — Rosy Twisted-stalk, Eastern Rose Mandarin, Eastern Twisted-stalk

Strobus strobus — Eastern White Pine

Strophocaulos arvensis — Field Bindweed, Creeping Jenny, Possession-vine, Cornbind

Strophostyles helvula — Annual Sand Bean, Beach Pea, Trailing Wild Bean, Trailing Fuzzy-Bean

Stuartia malachodendron — Silky Camellia, Virginia Stewartia, Stewartia

Stylisma patens var. angustifolia — Narrowleaf Dawnflower

Stylisma patens var. patens — Sandhill Dawnflower, Sandhill Morning Glory, Coastal Plain Dawnflower, Common Dawnflower

Stylisma pickeringii — Pickering's Dawnflower

Stylisma trichosanthes — Sandhill Dawnflower, Sandhill Morning Glory, Coastal Plain Dawnflower, Common Dawnflower

Stylodon carneum — Carolina Vervain, Carolina False Vervain

Stylodon carolinensis — Carolina Vervain, Carolina False Vervain

Stylosanthes riparia — Pencil-flower, Sidebeak Pencil-flower

Stylypus vernus — Spring Avens, Heartleaf Avens

Styrax americana var. americana — American Storax, American Snowbell

Styrax americana var. pulverulenta — American Storax, American Snowbell

Styrax pulverulenta — Downy American Snowbell

Svida alternifolia — Alternate-leaf Dogwood, Pagoda Dogwood, Pagoda Cornel

Svida amomum — Silky Dogwood, Bush Dogwood, Silky Cornel

Svida asperifolia — Midwestern Roughleaf Dogwood

Svida femina — Northern Swamp Dogwood, Gray Dogwood

Svida microcarpa — Eastern Roughleaf Dogwood

Svida priceae — Midwestern Roughleaf Dogwood

Svida stricta — Southern Swamp Dogwood

Swida amomum var. amomum — Silky Dogwood, Bush Dogwood, Silky Cornel

Swida stolonifera — Red Osier Dogwood, Bailey's Dogwood

Swida stricta — Southern Swamp Dogwood

Symphoricarpos rivularis — Pacific Snowberry

Symphoricarpos symphoricarpos — Coralberry, Indian Currant, Buckbrush

Symphyotrichum carolinianum — Climbing Aster

Symphyotrichum dumosum — Bushy Aster, Long-stalked Aster, Rice Button Aster

Symphyotrichum lateriflorum var. angustifolium — Calico Aster, Starved Aster, Goblet Aster

Symphyotrichum lateriflorum var. horizontale — Calico Aster, Starved Aster, Goblet Aster

Symphyotrichum ontarione var. ontarione — Bottomland Aster

Symphyotrichum praealtum — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster

Symphyotrichum sagittifolium — White Arrowleaf Aster, Arrowleaf Blue Wood Aster

Symphyotrichum subulatum var. ligulatum — Midwestern Saltmarsh Aster, Annual Water Aster, Yard Aster

Symphyotrichum subulatum var. subulatum — Eastern Saltmarsh Aster, Annual Saltmarsh Aster

Symphyotrichum tenuifolium var. tenuifolium — Perennial Saltmarsh Aster

Syndesmon thalictroides — Windflower, Rue-anemone

Synosma suaveolens — Sweet-scented Indian-plantain, Sweet Indian-plantain, false Indian plantain

Syntherisma filiformis — Slender Crabgrass

Syntherisma ischaemum — Smooth Crabgrass

Syntherisma sanguinalis — Hairy Crabgrass, Northern Crabgrass

Talinum mengesii — Menges' Fameflower, Large-flowered Fameflower, Menges' Rock-pink, Large-flowered Rock-pink

Talinum mengesii — Piedmont Rock-pink, Piedmont Fameflower

Talinum paniculatum var. paniculatum — Panicled Fameflower, Jewels-of-Opar, Pink Baby’s-breath

Tamala pubescens — Swamp Redbay, Swamp Bay

Tamarix pentandra — Chinese Tamarisk

Tarenaya hassleriana — Cleome, Spiderflower, Pinkqueen

Taxodium distichum var. distichum — Bald Cypress

Taxodium distichum var. imbricarium — Pond Cypress

Teucrium canadense var. virginicum — American Germander, Wood Sage, Common Germander

Teucrium littorale — American Germander, Wood Sage, Common Germander

Thalesia uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe

Thalictrum caulophylloides — Appalachian Meadowrue, Maid-of-the-mist

Thalictrum pubescens var. hepaticum — Appalachian Tall Meadowrue

Thalictrum pubescens var. pubescens — Common Tall Meadowrue, King-of-the-meadow, Late Meadowrue

Thalictrum steeleanum — Appalachian Meadowrue, Maid-of-the-mist

Thalictrum subrotundum — Small-leaved Meadowrue, Small-flowered Meadowrue

Thaspium barbinode var. angustifolium — Creamy Meadow-parsnip, Chapman's Meadow-parsnip

Thaspium barbinode var. barbinode — Hairy-jointed Meadow-parsnip

Thaspium barbinode var. chapmanii — Creamy Meadow-parsnip, Chapman's Meadow-parsnip

Thaspium trifoliatum — Purple Meadow-parsnip, Woodland Parsnip

Thaspium trifoliatum — Yellow Meadow-parsnip, Woodland Parsnip

Thea sinensis — Tea

Thelypteris normalis — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern

Thelypteris ovata var. harperi — Ovate Maiden Fern, ovate marsh fern

Thelypteris quadrangularis var. versicolor — Hairy Maiden Fern

Thelypteris reducta — Downy Maiden-fern, Soft Fern, Downy Shield-fern

Thelypteris thelypteris — Marsh Fern

Thelypteris torresiana — Mariana Maiden-fern, Swordfern, False Maiden-fern

Thelypteris versicolor — Hairy Maiden Fern

Thermopsis caroliniana — Aaron's Rod, Blue Ridge Golden-banner, Hairy Bush Pea

Thermopsis hugeri — Appalachian Golden-banner, Allegheny Mountain Golden-banner, Bush Pea

Thermopsis mollis var. fraxinifolia — Ashleaf Golden-banner

Thermopsis mollis var. mollis — Appalachian Golden-banner, Allegheny Mountain Golden-banner, Bush Pea

Therophon aconitifolium — Brook-saxifrage, Eastern Boykinia, Allegheny Brookfoam, Aconite-saxifrage

Thuja orientalis — Oriental Arborvitae, Tree-of-life

Thyella tamnifolia — Common Jacquemontia, Hairy Clustervine, Tie Vine, Smallflower Morning Glory

Thysanella fimbriata — Sandhill Jointweed, Fringed Thysanella

Tiaridium indicum — Indian Heliotrope, Turnsole

Tilia americana var. neglecta — American Basswood, Northern Basswood

Tilia australis — Mountain Basswood, White Basswood

Tilia caroliniana ssp. caroliniana — Carolina Basswood, Southern Basswood

Tilia caroliniana ssp. floridana — Carolina Basswood, Southern Basswood

Tilia caroliniana ssp. heterophylla — Mountain Basswood, White Basswood

Tilia cordata ssp. cordata — Little-leaf Linden, Small-leaved Linden, Small-leaved Lime

Tilia eburnea — Mountain Basswood, White Basswood

Tilia floridana — Carolina Basswood, Southern Basswood

Tilia georgiana — Carolina Basswood, Southern Basswood

Tilia glabra — American Basswood, Northern Basswood

Tilia lasioclada — Mountain Basswood, White Basswood

Tilia littoralis — Carolina Basswood, Southern Basswood

Tilia michauxii — Mountain Basswood, White Basswood

Tilia monticola — Mountain Basswood, White Basswood

Tilia neglecta — American Basswood, Northern Basswood

Tilia truncata — American Basswood, Northern Basswood

Tipularia unifolia — Cranefly Orchid

Tithymalopsis apocynifolia — Limestone Flowering Spurge?

Tithymalopsis corollata — Eastern Flowering Spurge

Tithymalopsis curtisii — White Sandhills Spurge, Curtis's Spurge

Tithymalopsis discoidalis — Summer Spurge

Tithymalopsis eriogonoides — White Sandhills Spurge, Curtis's Spurge

Tithymalopsis exserta — Maroon Sandhills Spurge, Coastal Sand Spurge, Purple Sandhill-spurge

Tithymalopsis gracilis — Maroon Sandhills Spurge, Coastal Sand Spurge, Purple Sandhill-spurge

Tithymalopsis ipecacuanhae — Carolina Ipecac, Wild Ipecac, American Ipecac

Tithymalopsis mercurialina — Cumberland Spurge, Mercury Spurge

Tithymalopsis paniculata — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge

Tithymalopsis zinniiflora — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge

Tithymalus cyparissias — Cypress Spurge, Graveyard Spurge

Tium michauxii — Sandhill Milkvetch, Michaux's Milkvetch

Tofieldia glutinosa — Sticky Bog Asphodel, Northern Bog Asphodel, False Asphodel

Tofieldia racemosa — Coastal Bog Asphodel, Southern Bog Asphodel, Coastal False Asphodel, Savanna Asphodel

Tofieldia tenuifolia — Rush-featherling, Pleea

Torilis arvensis ssp. recta — Spreading Hedge-parsley, Spreading Bur-parsley, Field Hedge-parsley

Tortipes amplexifolius — Clasping Twisted-stalk, White Mandarin, Pagoda-bells

Toxicodendron negundo — Midwestern Poison Ivy

Toxicodendron quercifolium — Poison Oak, Southeastern Poison Oak

Toxicodendron radicans — Eastern Poison Ivy

Toxicodendron radicans var. rydbergii — Wesern Poison Ivy

Toxicodendron toxicodendron — Poison Oak, Southeastern Poison Oak

Toxylon pomiferum — Osage-orange, Hedge-apple, Bow-wood

Tracaulon arifolium — Halberd-leaf Tearthumb

Tracaulon sagittatum — Arrowleaf Tearthumb, Arrowvine, Scratch-grass

Tracyanthus angustifolius — Crow-poison, Savanna Camass, Osceola-plume

Tradescantia brevicaulis — Virginia Spiderwort

Tradescantia foliosa — Smooth Spiderwort, Ohio Spiderwort

Tradescantia incarnata — Smooth Spiderwort, Ohio Spiderwort

Tradescantia montana — Zigzag Spiderwort, Wide-leaved Spiderwort

Tradescantia pilosa — Zigzag Spiderwort, Wide-leaved Spiderwort

Tradescantia reflexa — Smooth Spiderwort, Ohio Spiderwort

Tradescantia subaspera var. montana — Zigzag Spiderwort, Wide-leaved Spiderwort

Tragia linearifolia — Wavyleaf Noseburn, Southeastern Noseburn, Sandhill Noseburn

Tragia urticaefolia — Nettleleaf Noseburn, Tragia

Tragiola pilosa — Shaggy Hedge-hyssop, Pilose Hedge-hyssop

Triadenum longifolium — Southern Marsh St. Johnswort

Triadenum petiolatum — Walter’s Marsh St. Johnswort, Greater Marsh St. Johnswort

Tricholaena rosea — Rose Natalgrass, Creeping Molasses-grass

Trichophorum caespitosum — Deerhair Bulrush, Deergrass, Tufted Bulrush

Trichostema dichotomum var. dichotomum — Common Blue Curls, Forked Blue Curls

Trichostema dichotomum var. lineare — Narrowleaf Blue Curls

Trichostema lineare — Narrowleaf Blue Curls

Triclisperma paucifolia — Gaywings, Fringed Polygala, Flowering Wintergreen, Bird-on-the-wing

Trifolium procumbens — Hop Clover, Low Hop Clover, Field Clover

Trifolium saxicola — Carolina Clover, Wild White Clover

Trillium - "Amicalola Trillium" — Amicalola Trillium

Trillium cernuum var. macranthum — Southern Nodding Trillium

Trillium declinatum — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium

Trillium erectum var. album — Red Trillium, Purple Trillium, Stinking Willie, Stinking Benjamin

Trillium erectum var. declinatum — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium

Trillium freemanii — Lookout Mountain Trillium, Ruby Falls Trillium, Freeman's Trillium

Trillium gleasoni — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium

Trillium hugeri — Little Sweet Betsy, Purple Toadshade

Trillium pusillum var. 2 — Georgia Least Trillium

Trillium pusillum var. georgianum — Georgia Least Trillium

Trillium viride var. luteum — Yellow Trillium, Yellow Toadshade, Lemon-scented Trillium, Wax Trillium

Triodanis perfoliata ssp. biflora — Southern Venus's Looking-glass, Small Venus's Looking-glass

Triodanis perfoliata ssp. perfoliata — Clasping Venus's Looking-glass

Triodanis perfoliata var. biflora — Southern Venus's Looking-glass, Small Venus's Looking-glass

Triodanis perfoliata var. perfoliata — Clasping Venus's Looking-glass

Triodia drummondii — Carolina Triodia, Carolina Fluffgrass

Triodia flava — Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop

Triodia stricta — Longspike Tridens, Longspike Fluffgrass, Spike Triodia

Trionum trionum — Flower-of-an-hour, Venice Mallow, Bladder Ketmia

Triorchos ecristatus — Spiked Medusa, Crestless Plume Orchid, Smooth-lipped Eulophia, Non-crested Eulophia

Triosteum perfoliatum var. aurantiacum — Orange-fruited Horse-gentian

Triosteum perfoliatum var. perfoliatum — Perfoliate Horse-gentian, Perfoliate Tinker's-weed, Wild Coffee, Feverwort

Triphora trianthophora ssp. trianthophora — Three Birds Orchid, Nodding Pogonia, Nodding Ettercap

Triphora trianthophoros — Three Birds Orchid, Nodding Pogonia, Nodding Ettercap

Triplasis intermedia — Purple Sandgrass

Tripleurospermum maritimum ssp. inodorum — Scentless Chamomile, False Chamomile, Mayweed

Tripleurospermum perforata — Scentless Chamomile, False Chamomile, Mayweed

Tripsacum dactyloides var. occidentale — Gama Grass, Eastern Gamagrass

Tubiflora carolinensis — Carolina Elytraria

Tulipastrum acuminatum — Cucumber Magnolia, Cucumber-tree

Tulipastrum cordatum — Piedmont Cucumber Magnolia, Yellow Cucumber-tree, Showy Cucumber Magnolia

Tumion taxifolium — Florida Torreya, Stinking-cedar

Ulmus floridana — Florida Elm

Ulmus fulva — Slippery Elm, Red Elm

Unifolium canadense — Canada Mayflower, "False Lily-of-the-valley", "Wild Lily-of-the-valley"

Uniola longifolia — Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

Urechites lutea — Wild Allamanda, Hammock Viper's-tail

Urechites pinetorum — Wild Allamanda, Hammock Viper's-tail

Urtica dioica var. dioica — European Stinging Nettle, Great Nettle

Urtica gracilis — American Stinging Nettle, Slender Nettle

Urticastrum divaricatum — Canada Wood-nettle

Utricularia pumila — Longspur Creeping Bladderwort, Twoflower Bladderwort

Utricularia vulgaris ssp. macrorhiza — Greater Bladderwort, Common Bladderwort

Uvularia puberula var. nitida — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort

Uvularia puberula var. puberula — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort

Vaccinium alto-montanum — Blue Ridge Blueberry

Vaccinium ashei — Rabbiteye Blueberry, Swamp Blueberry, Rabbitberry, Smallflower Blueberry

Vaccinium australe — Southern Highbush Blueberry, Swamp Highbush Blueberry

Vaccinium brachycerum — Box Huckleberry

Vaccinium corymbosum var. atrococcum — Hairy Highbush Blueberry, Black Highbush Blueberry

Vaccinium darrowi — Darrow's Blueberry

Vaccinium erythrocarpum ssp. erythrocarpum — Bearberry, Highbush Cranberry, Mountain Cranberry

Vachellia farnesiana var. farnesiana — Common Sweet Acacia, Huisache

Vagnera australis — False Solomon's Seal, Eastern Solomon's Plume, May-plume

Vagnera racemosa — False Solomon's Seal, Eastern Solomon's Plume, May-plume

Valerianella intermedia — Navel Cornsalad

Valerianella olitoria — European Cornsalad

Valerianella patellaria — Navel Cornsalad

Valerianella radiata var. intermedia — Navel Cornsalad

Valerianella woodsiana — Beaked Cornsalad

Validallium tricoccum — Red Ramps, Rampscallions, Wild Leek

Vallisneria spiralis — American Eelgrass, Water-celery, Tapegrass, Vallisneria

Vandenboschia species 1 — Grotto-felt, Appalachian Trichomanes, Weft Fern

Veratrum intermedium — Ozark Bunchflower, Wood's False-hellebore

Veratrum latifolium — Crisped Bunchflower, Broadleaf Bunchflower, Slender Bunchflower

Veratrum viride var. viride — White-hellebore, Indian Poke, Green Hellebore, Cornhusk Lily

Verbena angustifolia — Narrowleaf Vervain

Verbena bipinnatifida — Dakota Vervain, Dakota Mock Vervain

Verbena bonariensis var. conglomerata — Purpletop Vervain, Tall Vervain

Verbena hastata var. hastata — Blue Vervain, Common Vervain, Simpler's-joy

Verbena hastata var. scabra — Blue Vervain, Common Vervain, Simpler's-joy

Verbena litoralis var. brevibracteata — Brazilian Vervain

Verbena litoralis var. brevibracteata — Purpletop Vervain, Tall Vervain

Verbena urticaefolia — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain

Verbena urticifolia var. leiocarpa — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain

Verbena urticifolia var. urticifolia — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain

Verbesina alba — Eclipta, Pie-plant, Yerba-de-tajo, false daisy

Verbesina virginica — Southern Frostweed

Verbesina virginica — White Crownbeard, Common Frostweed, White Wingstem, Virginia Wingstem

Vernonia angustifolia — Narrowleaf Ironweed, Carolina Slender Ironweed, Carolina Sandhill Ironweed

Vernonia angustifolia — Georgia Sandhill Ironweed, Georgia Slender Ironweed

Vernonia angustifolia ssp. scaberrima — Georgia Sandhill Ironweed, Georgia Slender Ironweed

Vernonia georgiana — Georgia Ironweed

Vernonia harperi — New York Ironweed

Vernonia recurva — Georgia Sandhill Ironweed, Georgia Slender Ironweed

Vernonia scaberrima — Georgia Sandhill Ironweed, Georgia Slender Ironweed

Veronica beccabunga ssp. beccabunga — European Speedwell, European Brooklime

Veronica beccabunga var. americana — American Speedwell, Brooklime

Veronica beccabunga var. beccabunga — European Speedwell, European Brooklime

Veronica officinalis var. officinalis — Common Speedwell, Gypsyweed, Heath Speedwell

Veronica officinalis var. tournefortii — Common Speedwell, Gypsyweed, Heath Speedwell

Vesiculina purpurea — Purple Bladderwort

Viburnum densiflorum — Mapleleaf Viburnum, Maple-leaved Arrowwood, Dockmackie

Viburnum dentatum var. scabrellum — Southern Arrowwood

Viburnum nashii — Small-leaf Virburnum, Walter's Viburnum

Viburnum nudum var. angustifolium — Possumhaw Viburnum, Witherod Viburnum, Shining Viburnum

Viburnum opulus ssp. opulus — Guelder-rose Viburnum, Snowball

Viburnum opulus ssp. trilobum — Highbush-cranberry, Cranberry Tree, American Cranberry-bush

Viburnum opulus var. trilobum — Highbush-cranberry, Cranberry Tree, American Cranberry-bush

Viburnum ozarkense — Limerock Arrowwood

Viburnum plicatum var. tomentosa — Japanese Snowball Viburnum, Doublefile Viburnum

Viburnum semitomentosum — Southern Arrowwood

Viburnum semitomentosum — Carolina Arrowwood

Viburnum semitomentosum — Southern Arrowwood

Vicia cracca var. cracca — Cow Vetch, Tufted Vetch

Vicia hugeri — Carolina Vetch, Wood Vetch, Pale Vetch

Vicia sativa var. angustifolia — Narrowleaf Vetch, Garden Vetch

Vicia sativa var. sativa — Common Vetch

Vicia villosa var. villosa — Hairy Vetch, Fodder Vetch, Winter Vetch

Viguiera porteri — Confederate Daisy

Vincetoxicum gonocarpos — Eastern Anglepod

Vincetoxicum pubiflorum — Trailing Milkvine, Sandhill Spinypod

Vincetoxicum suberosum — Eastern Anglepod

Viola ×palmata — Wood Violet, Southern Three-lobed Violet

Viola ×primulifolia — Primrose-leaf Violet

Viola ×subsinuata — Monacan Violet, Blue Ridge Violet

Viola canadensis var. rugulosa — Canada Violet, Tall White Violet

Viola egglestoni — Eggleston's Violet, Nashville Violet, Cedar Glade Violet

Viola emarginata — Arrowleaf Violet, Arrowhead Violet

Viola emarginata var. 2 ["deltate"] — Deltate Violet?

Viola emarginata var. acutiloba — Arrowleaf Violet, Arrowhead Violet

Viola eriocarpon var. eriocarpon — Downy Yellow Violet, Hairy Yellow Forest Violet

Viola eriocarpon var. leiocarpon — Smooth Yellow Forest Violet, Smooth Yellow Violet

Viola esculenta — Atlantic Coast Salad Violet

Viola kitaibeliana var. rafinesquii — Johnny Jump-up, American Field Pansy, Wild Pansy

Viola lanceolata var. lanceolata — Lanceleaf Violet, Narrow-leaved Violet, White Bog Violet, Northern Water Violet

Viola lanceolata var. vittata — Strapleaf Violet, White Bog Violet, Southern Water Violet

Viola macloskeyi — Wild White Violet, White Marsh Violet

Viola missouriensis — LeConte's Violet, Sand Violet, Thinleaf Violet, Missouri Violet

Viola pallens — Wild White Violet, White Marsh Violet

Viola palmata — Wood Violet, Southern Three-lobed Violet

Viola palmata var. dilatata — Wavyleaf Violet

Viola palmata var. esculenta — Atlantic Coast Salad Violet

Viola palmata var. heterophylla — Atlantic Coast Salad Violet

Viola palmata var. pedatifida — Eggleston's Violet, Nashville Violet, Cedar Glade Violet

Viola papilionacea — Dooryard Violet, Confederate Violet, Common Blue Violet

Viola pedata var. lineariloba — Common Birdsfoot Violet

Viola pedata var. ranunculifolia — Sandhills Birdsfoot Violet

Viola pedatifida ssp. brittoniana — Northern Coastal Violet, Coast Violet, Britton's Violet

Viola pensylvanica — Smooth Yellow Forest Violet, Smooth Yellow Violet

Viola pensylvanica var. leiocarpa — Smooth Yellow Forest Violet, Smooth Yellow Violet

Viola pensylvanica var. pensylvanica — Smooth Yellow Forest Violet, Smooth Yellow Violet

Viola priceana — Dooryard Violet, Confederate Violet, Common Blue Violet

Viola primulifolia var. primulifolia — Primrose-leaf Violet

Viola pubescens var. eriocarpa — Smooth Yellow Forest Violet, Smooth Yellow Violet

Viola septemloba ssp. egglestonii — Eggleston's Violet, Nashville Violet, Cedar Glade Violet

Viola septemloba ssp. septemloba — Southern Coastal Violet, Cleft-leaved Violet

Viola sororia var. missouriensis — LeConte's Violet, Sand Violet, Thinleaf Violet, Missouri Violet

Viola subsinuata — Wavyleaf Violet

Viola subsinuata — Monacan Violet, Blue Ridge Violet

Viola subsinuata — Northern Three-lobed Violet

Viola tricolor var. tricolor — Johnny Jump-up, Pansy

Viola triloba — Wood Violet, Southern Three-lobed Violet

Viola walteri var. appalachiensis — Appalachian Violet, Henry's Violet

Viola walteri var. walteri — Walter's Violet, Prostrate Blue Violet

Viorna beadlei — Beadle's Leatherflower

Viorna crispa — Southern Leatherflower, Marsh Clematis, Swamp Leatherflower, Blue Jasmine

Viorna fremontii — Fremont's Leatherflower

Viorna glaucophylla — White-leaved Leatherflower

Viorna ochroleuca — Curlyheads

Viorna reticulata — Vase-vine, Netleaf Leatherflower

Viorna versicolor — Pale Leatherflower

Viorna viorna — Northern Leatherflower, Vase-vine

Virgulus concolor — Eastern Silvery Aster

Virgulus georgianus — Georgia Aster

Virgulus grandiflorus — Big-headed Aster, Rough Aster, Large-headed Aster, Largeflower Aster

Virgulus novae-angliae — New England Aster, Michaelmas-daisy

Virgulus oblongifolius — Eastern Aromatic Aster, Shale-barren Aster

Virgulus patens var. patens — Late Purple Aster, Common Clasping Aster, Late Blue Aster, Skydrop Aster

Virgulus patens var. phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster

Virgulus sericeus — Western Silvery Aster

Virgulus walteri — Walter's Aster

Vitex agnus-castus var. caerulea — Chaste-tree

Vitex trifolia — Beach Vitex, Roundleaf Chaste-tree

Vitis aestivalis — Summer Grape

Vitis aestivalis — Silverleaf Grape

Vitis bicolor — Silverleaf Grape

Vitis cordifolia — Frost Grape, Winter Grape, Chicken Grape

Vitis labrusca × vinifera — Concord Grape

Vitis labruscana — Concord Grape

Vitis munsoniana — Munson Grape, Bullace Grape

Waldsteinia fragarioides var. fragarioides — Northern Barren Strawberry

Waldsteinia fragarioides var. parviflora — Southern Barren Stawberry

Waldsteinia parviflora — Southern Barren Stawberry

Wallia cinerea — Butternut, White Walnut

Wallia nigra — Black Walnut

Waltheria americana — Sleepy Morning

Wedelia trilobata — Wedelia, Creeping Oxeye

Wisteria macrostachya — Mississippi Wisteria, American Wisteria, Swamp Wisteria, Kentucky Wisteria

Woodsia scopulina ssp. appalachiana — Appalachian Woodsia, Appalachian Cliff Fern, Mountain Woodsia

Woodsia scopulina var. appalachiana — Appalachian Woodsia, Appalachian Cliff Fern, Mountain Woodsia

Xanthium globosum — Common Cocklebur

Xanthium inflexum — Common Cocklebur

Xanthium pensylvanicum — Oriental Cocklebur

Xanthium strumarium var. canadense — Oriental Cocklebur

Xanthorrhiza simplicissima — Yellowroot

Xanthosma sagittifolium — Arrowleaf Elephant-ear, Malanga

Xanthoxalis brittoniae — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel

Xanthoxalis bushii — Common Yellow Wood-sorrel

Xanthoxalis colorea — Small's wood-sorrel, Tufted Yellow Wood-sorrel, (NOT Sadie Price’s Yellow Wood-sorrel)

Xanthoxalis corniculata — Creeping Lady's-sorrel

Xanthoxalis cymosa — Common Yellow Wood-sorrel

Xanthoxalis filipes — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel

Xanthoxalis filipes — Flowering Yellow Wood-sorrel

Xanthoxalis grandis — Large Wood-sorrel, Great Yellow Wood-sorrel

Xanthoxalis hirsuticaulis — Sadie Price’s Yellow Wood-sorrel

Xanthoxalis langloisii — Creeping Lady's-sorrel

Xanthoxalis macrantha — Sadie Price’s Yellow Wood-sorrel

Xanthoxalis priceae — Sadie Price’s Yellow Wood-sorrel

Xanthoxalis recurva — Flowering Yellow Wood-sorrel

Xanthoxalis rufa — Common Yellow Wood-sorrel

Xanthoxalis stricta — Common Yellow Wood-sorrel

Xanthoxylum americanum — Northern Toothache Tree, Northern Prickly-ash

Xanthoxylum clava-herculis — Southern Toothache Tree, Hercules-club, Sea-ash, Southern Prickly-ash

Xeniatrum umbellulatum — Speckled Wood-lily, White Clintonia

Ximenia americana var. americana — Tallow-wood, Hog-plum

Xolisma ferruginea — Rusty Lyonia, Staggerbush, Dragonwood, Crookedwood

Xolisma fruticosa — Staggerbush, Poor-grub

Xylosteon ciliatum — American Fly-honeysuckle

Xylosteon fragrantissimum — Sweet-breath-of-spring, Winter Honeysuckle

Xyris communis — Richard's Yellow-eyed-grass

Xyris congdonii — Small's Yellow-eyed-grass

Xyris difformis var. floridana — Florida Yellow-eyed-grass

Xyris elata — Richard's Yellow-eyed-grass

Xyris flexuosa — Pineland Yellow-eyed-grass, Carolina yellow-eyed-grass

Xyris neglecta — Curtiss's yellow-eyed-grass

Xyris pallescens — Pineland Yellow-eyed-grass, Carolina yellow-eyed-grass

Xyris stricta var. stricta — Pineland Yellow-eyed-grass, Strict Yellow-eyed-grass

Yucca concava — Beargrass, Spoonleaf Yucca, Curlyleaf Yucca

Yucca gloriosa var. gloriosa — Mound-lily Yucca, Spanish Bayonet

Yucca gloriosa var. recurvifolia — Curve-leaf Yucca

Yucca smalliana — Weakleaf Yucca

Yucca smalliana — Beargrass, Spoonleaf Yucca, Curlyleaf Yucca

Zamia floridana var. umbrosa — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie

Zamia integrifolia — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie

Zamia pumila — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie

Zamia umbrosa — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie

Zenobia cassinefolia — Zenobia, Honeycups

Zephyranthes atamasca var. atamasca — Common Atamasco-lily, Rain-lily, Easter Lily, Naked Lily

Zephyranthes atamasca var. treatiae — Rain-lily, Treat's Zephyr-lily

Zigadenus elegans — White Death-camas, White Camass, Mountain Death-camas

Zigadenus muscitoxicus — Fly-poison

Zizania miliacea — Southern Wild-rice, Water-millet, Giant Cutgrass

Zizia bebbii — Mountain Golden-Alexanders

Zizia cordata — Heartleaf Golden-Alexanders, Heartleaf Alexanders

Zizia latifolia — Mountain Golden-Alexanders

Zizyphus zizyphus — Chinese Jujube, Common Jujube, Chinese Date

Zosterella dubia — Water Stargrass

Zygadenus densus — Crow-poison, Savanna Camass, Osceola-plume

Zygadenus glaberrimus — Large Death Camas, Snakeroot, Sandbog Death-camas, Bog Death Camas

Zygadenus glaucus — White Death-camas, White Camass, Mountain Death-camas

Zygadenus leimanthoides — Pinebarrens Death-camas

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