Digital Atlas of the Virginia Flora

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Scientific Name	Common Name	Native Status
Abdra brachycarpa (Nuttall ex Torrey & A. Gray) E.L. Greene	Short-fruited Whitlow-grass	N
Abies balsamea (L.) Miller	Balsam Fir, Northern Balsam	N
Abies fraseri (Pursh) Poiret	Fraser Fir, Southern Balsam	N
Abietinella abietina (Hedw.) M. Fleisch.		N
Abutilon theophrasti Medik.	Velvetleaf	I
Acalypha deamii (Weatherby) Ahles	Deam's Copperleaf, Big-seeded Copperleaf, Two-seeded Copperleaf	N
Acalypha gracilens Gray	Slender Three-seeded Mercury, Short-stalk Copperleaf	N
Acalypha ostryifolia Riddell	Hornbeam Copperleaf, Rough-pod Copperleaf	I
Acalypha rhomboidea Raf.	Common Three-seeded Mercury, Common Copperleaf	N
Acalypha virginica L.	Virginia Three-seeded Mercury, Virginia Copperleaf	N
Acanthospermum australe (Loefl.) Kuntze	Paraguay Bur, Sheep Bur	I
Acanthospermum hispidum DC.	Hispid Starbur	I
Acaulon muticum (Hedw.) Müll. Hal. var. rufescens (A. Jaeger) H.A. Crum		N
Acaulon triquetrum (Spruce) Müll. Hal.		N
Acer campestre L.	Hedge Maple	I
Acer floridanum (Chapm.) Pax.	Southern Sugar Maple, Florida Maple	N
Acer ginnala Maxim.	Amur Maple	I
Acer negundo L. var. negundo	Boxelder, Eastern Boxelder	N
Acer nigrum Michx. f.	Black Maple	N
Acer palmatum Thunb.	Japanese Maple	I
Acer pensylvanicum L.	Striped Maple	N
Acer platanoides L.	Norway maple	I
Acer pseudoplatanus L.	Sycamore Maple	I
Acer rubrum L.	Red Maple	N
Acer saccharinum L.	Silver Maple	N
Acer saccharum Marshall	Sugar Maple	N
Acer spicatum Lamarck	Mountain Maple	N
Acetosa acetosella (L.) P. Miller	Sheep Sorrel	I
Acetosa hastatula (Baldwin) Á. Löve	Heart-wing Sorrel	N
Achillea borealis Bongard	Common Yarrow	N
Achyranthes japonica (Miq.) Nakai var. hachijoensis Honda	Japanese Chaff Flower	I
Acmispon helleri (Britt.) A.A. Heller	Carolina Prairie-trefoil	N
Aconitum reclinatum Gray	White Monkshood	N
Aconitum uncinatum L.	Blue Monkshood	N
Acorus calamus L.	Sweetflag, European Calamus	I
Acorus gramineus Sol. ex Aiton	Grass-leaf Sweetflag, Japanese Sweetflag	I
Acrobolbus ciliatus (Mitt.) Schiffn.		N
Actaea pachypoda Ell.	White Baneberry, Dolls'-eyes	N
Actaea podocarpa DC.	Mountain Black Cohosh, Late Black Cohosh	N
Actaea racemosa L.	Common Black Cohosh, Bugbane	N
Actaea rubifolia (Kearney) Kartesz	Appalachian Black Cohosh	N
Actinidia chinensis Planch.	Kiwi	I
Adiantum capillus-veneris L.	Southern Maidenhair Fern, Venus'-hair Fern	N
Adiantum pedatum L.	Northern Maidenhair Fern	N
Adlumia fungosa (Ait.) Greene ex BSP	Climbing Fumitory, Alleghany Vine	N
Aegilops cylindrica Host	Jointed Goatgrass	I
Aegilops neglecta Req. ex Bertoloni	Small Goat Grass, Three-awned Goat Grass	I
Aegopodium podagraria L.	Bishop's Goutweed	I
Aeschynomene indica L.	Southern Joint-vetch, Indian Joint-vetch	I
Aeschynomene virginica (L.) B.S.P.	Sensitive Joint-vetch, Northern Joint-vetch	N
Aesculus flava Solander	Yellow Buckeye	N
Aesculus pavia L. var. pavia	Red Buckeye	I
Aesculus sylvatica Bartr.	Painted Buckeye	N
Agalinis auriculata (Michx.) Blake	Earleaf False Foxglove	N
Agalinis decemloba (Greene) Pennell	Ten-lobed False Foxglove	N
Agalinis fasciculata (Ell.) Raf.	Tall False Foxglove, Fascicled False Foxglove	N
Agalinis maritima (Raf.) Raf. var. maritima	Salt Marsh False Foxglove	N
Agalinis obtusifolia Raf.	Bluntleaf False Foxglove	N
Agalinis purpurea (L.) Pennell	Purple False Foxglove	N
Agalinis setacea (J.F. Gmel.) Raf.	Threadleaf False Foxglove	N
Agalinis tenuifolia (Vahl) Raf.	Slender-leaf False Foxglove, Slender False Foxglove	N
Agalinis virgata Raf.	Pine-barren False Foxglove	N
Agastache nepetoides (L.) Kuntze	Yellow Giant Hyssop	N
Agastache rugosa (Fisch. & C.A. Meyer) Kuntze	Korean Mint, Purple Giant Hyssop	I
Agastache scrophulariifolia (Willd.) Kuntze	Purple Giant Hyssop	N
Ageratina altissima (L.) King & H.E. Robins.	White Snakeroot	N
Ageratina aromatica (L.) Spach	Small White Snakeroot, Lesser Snakeroot	N
Ageratina roanensis (Small) E.E. Lamont	Appalachian White Snakeroot	N
Agrimonia gryposepala Wallr.	Tall Hairy Agrimony	N
Agrimonia microcarpa Wallr.	Low Agrimony	N
Agrimonia parviflora Ait.	Small-flowered Agrimony, Harvest-lice	N
Agrimonia pubescens Wallr.	Downy Agrimony	N
Agrimonia rostellata Wallr.	Woodland Agrimony	N
Agrostemma githago L. var. githago	Common Corncockle	I
Agrostis altissima (Walt.) Tuckerm.	Coastal Bog Bentgrass, Tall Bentgrass	N
Agrostis capillaris L.	Colonial Bentgrass	I
Agrostis elliottiana J.A. Schultes	Elliott's Bentgrass, Southern Bentgrass	N
Agrostis gigantea Roth	Redtop	I
Agrostis hyemalis (Walt.) B.S.P.	Winter Bentgrass, Ticklegrass	N
Agrostis perennans (Walt.) Tuckerman	Autumn Bentgrass	N
Agrostis scabra Willd.	Rough Bentgrass	N
Agrostis stolonifera L.	Creeping Bentgrass	I
Ailanthus altissima (P. Miller) Swingle	Tree-of-heaven	I
Aira caryophyllea L.	Silver Hairgrass	I
Aira elegans Willd. ex Kunth	Elegant Hairgrass	I
Aira praecox L.	Early Hairgrass, Spike Hairgrass	I
Ajuga chamaepitys (L.) Schreb.	Yellow Bugle, Ground-pine Bugle	I
Ajuga reptans L.	Carpet-bugle	I
Akebia quinata (Houtt.) Dcne.	Five-leaf Akebia, Chocolate Vine	I
Albizia julibrissin Durazz.	Mimosa, Silk Tree	I
Alcea rosea L.	Hollyhock	I
Aldrovanda vesiculosa L.	Waterwheel Plant	I
Aletris aurea Walt.	Golden Colicroot	N
Aletris farinosa L.	White Colicroot	N
Alisma gramineum Lej.	Grass-leaved Water Plantain
Alisma subcordatum Rafinesque	Southern Water-plantain	N
Alliaria petiolata (Bieberstein) Cavara & Grande	Garlic Mustard, Hedge Garlic	I
Allium allegheniense Small	Allegheny Onion	N
Allium ampeloprasum L.	Wild Leek	I
Allium canadense L. var. canadense	Wild Onion, Meadow Onion	N
Allium cernuum Roth	Nodding Onion	N
Allium oxyphilum Wherry	Shale Barren Nodding Onion	N
Allium tricoccum Ait.	Ramps, Wild Leek, Rampscallions	N
Allium vineale L.	Field Garlic, Onion Grass, Wild Onion	I
Alnus glutinosa (L.) Gaertn.	Black Alder, European Alder	I
Alnus incana (L.) Moench ssp. rugosa (Du Roi) Clausen	Speckled Alder	N
Alnus serrulata (Ait.) Willd.	Smooth Alder, Hazel Alder	N
Alopecurus aequalis Sobol. var. aequalis	Short-awn Foxtail Grass
Alopecurus carolinianus Walt.	Carolina Foxtail Grass	N
Alopecurus geniculatus L.	Water Foxtail Grass	I
Alopecurus myosuroides Huds.	Slender Foxtail Grass	I
Alopecurus pratensis L.	Meadow Foxtail Grass	I
Alternanthera philoxeroides (Mart.) Griseb.	Alligator-weed	I
Alternanthera pungens Kunth	Mat Chaff Flower, Khakiweed	I
Althaea officinalis L.	Common Marsh-mallow	I
Alysicarpus vaginalis (L.) DC.	Alyce Clover	I
Alyssum alyssoides (L.) L.	Pale Alyssum, Yellow Alyssum	I
Amaranthus albus L.	Tumbleweed Amaranth, White Amaranth, Prostrate Pigweed	I
Amaranthus arenicola I.M. Johnston	Sand Amaranth	I
Amaranthus australis (Gray) Sauer	Southern Water Hemp	I
Amaranthus blitum L. ssp. emarginatus (Uline & W.L.Bray) Carr., Muñoz Garm., & Pedrol	Purple Amaranth, Livid Amaranth	I
Amaranthus cannabinus (L.) J.D. Sauer	Tidal-marsh Amaranth, Water-hemp	N
Amaranthus cruentus L.	Red Amaranth, Blood Amaranth, Purple Amaranth	I
Amaranthus deflexus L.	Large-fruited Amaranth, Argentine Amaranth	I
Amaranthus hybridus L.	Slender Pigweed, Smooth Pigweed, Green Amaranth	N
Amaranthus palmeri S. Wats.	Careless-weed, Palmer's Amaranth	I
Amaranthus powellii S. Wats.	Green Amaranth, Powell's Amaranth	I
Amaranthus pumilus Rafinesque	Sea-beach Amaranth, Dwarf Amaranth	N
Amaranthus retroflexus L.	Rough Pigweed, Red-root Amaranth	N
Amaranthus spinosus L.	Spiny Amaranth	I
Amaranthus tuberculatus (Moq.) Sauer	Inland water-hemp	I
Amaranthus viridis L.	Slender Amaranth, Tropical Green Amaranth	I
Amauropelta noveboracensis (L.) S.E. Fawcett & A.R. Smith	New York Fern	N
Amblystegium serpens (Hedwig) Schimper		N
Ambrosia artemisiifolia L.	Common Ragweed	N
Ambrosia bidentata Michx.	Lance-leaf Ragweed
Ambrosia psilostachya DC.	Perennial Ragweed	I
Ambrosia trifida L.	Giant Ragweed	N
Amelanchier arborea (Michx. f.) Fernald	Downy Serviceberry	N
Amelanchier canadensis (L.) Medik.	Canadian Serviceberry	N
Amelanchier laevis Wieg.	Smooth Serviceberry	N
Amelanchier nantucketensis Bickn.	Nantucket Serviceberry	N
Amelanchier obovalis (Michx.) Ashe	Coastal Plain Serviceberry	N
Amelanchier sanguinea (Pursh) DC.	Roundleaf Serviceberry	N
Amelanchier spicata (Lam.) K. Koch	Running Serviceberry, Dwarf Serviceberry	N
Amianthium muscitoxicum (Walt.) Gray	Fly-poison	N
Ammannia coccinea Rottb.	Scarlet Ammannia, Purple Ammannia	N
Ammannia latifolia L.	Koehne's Ammannia, Pink Redstem	N
Amorpha fruticosa L.	False Indigo-bush, Tall Indigo-bush	N
Ampelopsis cordata Michx.	Heart-leaf Peppervine, False Grape
Ampelopsis glandulosa (Wallr.) Momiy.	Porcelain-berry, Amur Peppervine	I
Amphiachyris dracunculoides (DC.) Nutt.	Prairie Broomweed	I
Amphicarpaea bracteata (L.) Fern. var. bracteata	Hog-peanut	N
Amphicarpaea bracteata (L.) Fern. var. comosa Fassett	American Hog-peanut, Lowland Hog-peanut	N
Amphicarpum amphicarpon (Pursh) Nash	Pine-barrens Peanut Grass, Pine-Barrens Goobergrass, Blue Maidencane	N
Amphidium lapponicum (Hedw.) Schimp.		N
Amphidium mougeotii (Bruch & Schimp.) Schimp.		N
Amsonia tabernaemontana Walt.	Eastern Blue-star, Eastern Blue Dogbane	N
Anacamptodon splachnoides (Froel. ex Brid.) Brid.	Knothole Moss	N
Anagallis arvensis L.	Scarlet Pimpernel, Common Pimpernel	I
Anagallis monelli L.	Blue Pimpernel	I
Anaphalis margaritacea (L.) Benth. & Hook. f.	Pearly Everlasting	N
Anastrophyllum michauxii (F. Weber) H. Buch ex A. Evans		N
Anchistea virginica (L.) Presl	Virginia Chain Fern	N
Anchusa arvensis (L.) Bieb.	Small Bugloss	I
Andersonglossum virginianum (L.) J.I. Cohen	Wild Comfrey	N
Andreaea rothii F. Weber & D. Mohr	Needle-Leaved Lantern Moss	N
Andreaea rupestris Hedwig	Broad-Leaved Lantern Moss	N
Andrographis echioides (L.) Nees	False Water-willow	I
Andropogon campbellii U.B. Deshmukh, M.B. Shende, & E.S. Reddy	Deceptive Bluestem	N
Andropogon cretaceus Weakley & Schori	Chalky Bluestem	N
Andropogon gerardii Vitman	Big Bluestem, Turkeyfoot	N
Andropogon glomeratus (Walt.) B.S.P.	Bushy Bluestem	N
Andropogon gyrans Ashe	Elliott's Bluestem	N
Andropogon hirsutior (Hackel) Weakley & LeBlond	Hairy Bluestem	N
Andropogon mohrii (Hack.) Hack. ex Vasey	Mohr's Bluestem, Tawny Bluestem	N
Andropogon perangustatus Nash	Narrow-leaved Bluestem	N
Andropogon tenuispatheus (Nash) Nash	Maritime Bushy Bluestem	N
Andropogon ternarius Michx. var. ternarius	Splitbeard Bluestem, Silvery Bluestem	N
Andropogon virginicus L. var. virginicus	Broomsedge, Broomstraw, Sedge Grass, Sage Grass	N
Anemonastrum canadense (L.) Mosyakin	Canada Anemone	N
Anemone berlandieri Pritz.	Eastern Prairie Anemone, Ten-petal Thimbleweed	N
Anemone blanda Schott & Kotschy	Grecian Windflower	I
Anemone lancifolia Pursh	Lanceleaf Anemone, Mountain Anemone	N
Anemone quinquefolia L. var. minima (DC.) Frodin	Dwarf Anemone	N
Anemone quinquefolia L. var. quinquefolia	Wood Anemone	N
Anemone virginiana L. var. virginiana	Thimbleweed, Tall Anemone	N
Anethum graveolens L.	Dill	I
Aneura pinguis (L.) Dumort. var. pinguis		N
Aneura sharpii Inoue & N.G. Mill.		N
Angelica lucida L.	Seacoast Angelica	I
Angelica triquinata Michx.	Filmy Angelica, Mountain Angelica	N
Angelica venenosa (Greenway) Fern.	Hairy Angelica	N
Anoda cristata (L.) Schlecht.	Crested Anoda, Spurred Anoda	I
Anomobryum julaceum (Schrad. ex P. Gaertn., B. Mey. & Scherb.) Schimp.		N
Anomodon attenuatus (Hedwig) Huebener		N
Anomodon minor (Hedwig) Lindberg		N
Anomodon rostratus (Hedwig) Schimper		N
Anomodon rugelii (Müll. Hal.) Keissl.		N
Anomodon tristis (Ces.) Sull. & Lesq.		N
Anomodon viticulosus (Hedw.) Hooker & Taylor		N
Antennaria howellii Greene ssp. neodioica (Greene) Bayer	Howell's Pussytoes	N
Antennaria howellii Greene ssp. petaloidea (Greene) Bayer	Small Pussytoes	N
Antennaria neglecta Greene	Field Pussytoes	N
Antennaria parlinii Fern. ssp. fallax (Greene) Bayer & Stebbins	Big-head Pussytoes	N
Antennaria parlinii Fern. ssp. parlinii	Parlin's Pussytoes	N
Antennaria plantaginifolia (L.) Richards.	Plantain-leaved Pussytoes	N
Antennaria solitaria Rydb.	Single-head Pussytoes	N
Antennaria virginica Stebbins	Shale-barren Pussytoes	N
Anthemis arvensis L.	Corn Chamomile	I
Anthemis cotula L.	Mayweed, Stinking Chamomile	I
Anthemis secundiramea Biv.	Prostrate Chamomile	I
Anthoxanthum aristatum Boiss.	Annual Vernal Grass	I
Anthoxanthum odoratum L.	Sweet Vernal Grass	I
Anthriscus caucalis Bieb.	Bur Chervil, Bur Parsley	I
Anthriscus cerefolium (L.) Hoffmann	Garden Chervil	I
Anthriscus sylvestris (L.) Hoffman	Wild Chervil	I
Anticlea glauca Kunth	White Death-camas, White Camas	N
Antirrhinum majus L.	Common Snapdragon	I
Aphanes australis Rydberg	Slender Parsley-piert	I
Aphanorrhegma serratum (Hook. & Wilson) Sull.		N
Aphyllon uniflorum L.	Cancer-root	N
Apios americana Medik.	Groundnut	N
Aplectrum hyemale (Muhl. ex Willd.) Torrey	Puttyroot, Adam-and-Eve	N
Apocynum androsaemifolium L.	Spreading Dogbane	N
Apocynum cannabinum L.	Indian Hemp, Hemp Dogbane	N
Apocynum floribundum Greene	Intermediate Dogbane	N
Apocynum sibiricum Jacq.	Clasping-leaved Dogbane	N
Aquilegia canadensis L.	Wild Columbine, Eastern Red Columbine	N
Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz ssp. lyrata	Lyre-leaf Rock Cress	N
Arabidopsis thaliana (Linnaeus) Heynhold	Mouse-ear Cress	I
Arabis adpressipilis (M. Hopkins) Al-Shehbaz	Hairy Rock Cress, Slender Rock Cress	N
Arabis patens Sullivant	Spreading Rock Cress	N
Aralia hispida Vent.	Bristly Sarsaparilla	N
Aralia nudicaulis L.	Wild Sarsaparilla	N
Aralia racemosa L.	Spikenard, American Spikenard	N
Aralia spinosa L.	Devil's Walking-stick	N
Archidium alternifolium (Dicks. & Hedw.) Schimp.		N
Archidium donnellii Austin		N
Archidium ohioense Schimp. ex Müll. Hal.		N
Arctium minus Bernh.	Common Burdock, Lesser Burdock	I
Arctostaphylos uva-ursi (L.) Spreng.	Bearberry, Kinnikinick	N
Arenaria lanuginosa (Michx.) Rohrb. var. lanuginosa	Spreading Sandwort	N
Arenaria leptoclados (Reichenbach) Guss.	Small Thyme-leaved Sandwort, Slender Sandwort	I
Arenaria serpyllifolia L.	Large Thyme-leaved Sandwort	I
Arethusa bulbosa L.	Dragon's-mouth, Bog-rose, Arethusa	N
Argemone mexicana L.	Mexican Prickly-Poppy	I
Arisaema dracontium (L.) Schott	Green Dragon	N
Arisaema triphyllum (L.) Schott ssp. pusillum (Peck) Huttleston	Small Jack-in-the-pulpit	N
Arisaema triphyllum (L.) Schott ssp. stewardsonii (Britt.) Huttleston	Bog Jack-in-the-pulpit	N
Arisaema triphyllum (L.) Schott ssp. triphyllum	Common Jack-in-the-pulpit	N
Aristida dichotoma Michx. var. curtissii Gray	Curtiss' Three-awn Grass	N
Aristida dichotoma Michx. var. dichotoma	Fork-tip Three-awn Grass	N
Aristida lanosa Muhl. ex Ell.	Woolly Three-awn Grass	N
Aristida longespica Poir.	Eastern Slim-spike, Long-awned Slim-spike, Three-awn Grass	N
Aristida oligantha Michx.	Prairie Three-awn Grass	N
Aristida purpurascens Poir.	Purple Three-awn Grass, Arrow-feather, Three-awn Grass	N
Aristida ramosissima Engelm. ex A.Gray,	S-Curve Threeawn	I
Aristida tuberculosa Nutt.	Sea-beach Needlegrass, Seaside Three-awn Grass	N
Aristida virgata Trin.	Wandlike Three-awn Grass	N
Arivela viscosa (L.) Raf.	Yellow Cleome	I
Arnica acaulis (Walt.) B.S.P.	Leopard's-bane	N
Arnoglossum atriplicifolium (L.) H.E. Robins.	Pale Indian-plantain	N
Arnoglossum reniforme (Hooker) H. Robinson	Great Indian-plantain	N
Aronia arbutifolia (L.) Pers.	Red Chokeberry	N
Aronia melanocarpa (Michx.) Elliott	Black Chokeberry	N
Aronia prunifolia (Marsh.) Rehder	Purple Chokeberry	N
Arrhenatherum elatius (L.) J. & K. Presl var. bulbosum (Willd.) Spenner	Tuber Oatgrass	I
Arrhenatherum elatius (L.) J. & K. Presl var. elatius	Tall Oatgrass	I
Arrhenopterum heterostichum Hedwig		N
Artemisia abrotanum L.	Southernwood	I
Artemisia annua L.	Sweet Wormwood, Annual Wormwood, Sweet Annie	I
Artemisia ludoviciana Nutt. ssp. ludoviciana	Silver Wormword, Western Mugwort, White Sagebrush	I
Artemisia stelleriana Bess.	Hoary Mugwort, Beach Wormwood	I
Artemisia vulgaris L.	Common Mugwort	I
Arthraxon hispidus (Thunb.) Makino var. hispidus	Joint-head Grass	I
Arum italicum P. Miller	Italian Arum, Orange Candleflower	I
Aruncus dioicus (Walt.) Fernald var. dioicus	Goat's-beard	N
Arundinaria gigantea (Walt.) Muhl.	Giant Cane, River Cane	N
Arundinaria tecta (Walt.) Muhl.	Small Cane, Switch Cane	N
Arundo donax L.	Giant Reed	I
Asarum canadense L.	Common Wild Ginger	N
Asclepias amplexicaulis J.E. Smith	Clasping Milkweed	N
Asclepias exaltata L.	Tall Milkweed	N
Asclepias incarnata L.	Swamp Milkweed	N
Asclepias incarnata L. var. incarnata	Swamp Milkweed	N
Asclepias incarnata L. var. pulchra (Ehrh. ex Willd.) Pers.	Swamp Milkweed	N
Asclepias lanceolata Walt.	Few-flower Milkweed	N
Asclepias longifolia Michx.	Long-leaf Milkweed	N
Asclepias purpurascens L.	Purple Milkweed	N
Asclepias quadrifolia Jacq.	Four-leaf Milkweed	N
Asclepias rubra L.	Red Milkweed	N
Asclepias syriaca L.	Common Milkweed	N
Asclepias tuberosa L. var. rolfsii (Britt. ex Vail) Shinners	Sandhills Butterfly-weed	N
Asclepias tuberosa L. var. tuberosa	Butterfly-weed, Common Butterfly-weed	N
Asclepias variegata L.	White Milkweed	N
Asclepias verticillata L.	Whorled Milkweed	N
Asclepias viridiflora Raf.	Green Milkweed	N
Asimina parviflora (Michx.) Dunal	Dwarf Pawpaw, Small-flowered Pawpaw, Small-fruited Pawpaw	N
Asimina triloba (L.) Dunal	Pawpaw, Common Pawpaw	N
Asparagus officinalis L.	Asparagus	I
Aspiromitus punctatus (L.) Schljakov		N
Asplenium bradleyi D.C. Eaton	Bradley's Spleenwort	N
Asplenium montanum Willd.	Mountain Spleenwort	N
Asplenium pinnatifidum Nuttall	Lobed Spleenwort, Pinnatifid Spleenwort	N
Asplenium platyneuron (L.) B.S.P.	Ebony Spleenwort	N
Asplenium resiliens Kunze	Blackstem Spleenwort	N
Asplenium rhizophyllum L.	Walking Fern	N
Asplenium ruta-muraria L. var. cryptolepis (Fern.) Wherry	American Wall-rue	N
Asplenium trichomanes L. ssp. quadrivalens D.E. Meyer	Northern Maidenhair Spleenwort	N
Asplenium trichomanes L. ssp. trichomanes	Maidenhair Spleenwort	N
Asplenium ×ebenoides R.R. Scott	Scott's Spleenwort	N
Asplenium ×kentuckiense T.N. McCoy	Kentucky Spleenwort	N
Asplenium ×trudellii Wherry	Trudell's Spleenwort	N
Asplenium ×virginicum Maxon	Virginia Spleenwort	N
Asplenium ×wherryi D.M. Sm.	Wherry's Spleenwort	N
Aster tataricus L. f.	Tartarian Aster	I
Asterella tenella (L.) P. Beauv.		N
Astilbe biternata (Vent.) Britt.	Appalachian False Goat's-beard	N
Astragalus canadensis L. var. canadensis	Canada Milkvetch	N
Astragalus distortus T. & G. var. distortus	Ozark Milkvetch, Bent Milkvetch	N
Astragalus neglectus (Torr. & Gray) Sheldon	Cooper's Milkvetch	N
Athyrium angustum (Willd.) K. Presl	Northern Lady Fern	N
Athyrium asplenioides (Michx.) A.A. Eaton	Southern Lady Fern	N
Atrichum altecristatum (Renauld & Cardot) B.B. Smyth & L.C.D. Smyth	Wavy Starburst Moss	N
Atrichum angustatum (Brid.) Bruch & Schimp.	Slender Starburst Moss	N
Atrichum crispulum Schimp. ex Besch.	Crispy Starburst Moss	N
Atrichum crispum (James) Sull.	Oval Starburst Moss	N
Atrichum cylindricum (F. Weber) G.L. Sm.		N
Atrichum undulatum (Hedw.) P. Beauv.
Atriplex dioica Raf.	Thick-leaf Orach	N
Atriplex glabriuscula Edmondston	Smooth Orach, Maritime Orach, Scotland Saltbush	N
Atriplex mucronata Raf.	Sea-beach Orach	N
Atriplex patula L.	Spear Orach	I
Atriplex prostrata Boucher ex DC.	Halberd-leaf Orach, Thin-leaf Orach, Triangle Orach	I
Aulacomnium palustre (Hedw.) Schwägr.	Ribbed Bog Moss	N
Aureolaria flava (L.) Farwell	Smooth Yellow False Foxglove, Smooth Oak-leach	N
Aureolaria levigata (Raf.) Raf.	Entire-leaf Yellow False Foxglove, Appalachian Oak-leach	N
Aureolaria pedicularia (L.) Raf.	Fern-leaf Yellow False Foxglove, Annual Oak-leach	N
Aureolaria virginica (L.) Pennell	Downy Yellow False Foxglove, Downy Oak-leach	N
Aurinia saxatilis (L.) Desv. ssp. saxatilis	Basket-of-gold, Gold-dust	I
Avena sativa L.	Oats	I
Avenella flexuosa (Linnaeus) Drejer	Wavy Hairgrass	N
Axonopus fissifolius (Raddi) Kuhlm.	Common Carpetgrass, Southern Carpetgrass
Axonopus furcatus (Fluegge) A.S. Hitchc.	Big Carpetgrass	N
Azolla caroliniana Willd.	Eastern Mosquito Fern, Water Fern	N
Azolla filiculoides Lam.	Pacific Mosquito Fern, Large Mosquito Fern	I

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