Scientific Name |
Common Name |
Native Status |
|
|
|
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 rhomboidea Raf.
|
Common Three-seeded Mercury, Common Copperleaf |
N |
Acalypha virginica L.
|
Virginia Three-seeded Mercury, Virginia Copperleaf |
N |
Acer negundo L. var. negundo
|
Boxelder, Eastern Boxelder |
N |
Acer nigrum Michx. f.
|
Black Maple |
N |
Acer pensylvanicum L.
|
Striped Maple |
N |
Acer platanoides L.
|
Norway 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 |
Achillea borealis Bongard
|
Common Yarrow |
N |
Aconitum reclinatum Gray
|
White Monkshood |
N |
Acorus calamus L.
|
Sweetflag, European Calamus |
I |
Actaea pachypoda Ell.
|
White Baneberry, Dolls'-eyes |
N |
Actaea racemosa L.
|
Common Black Cohosh, Bugbane |
N |
Adiantum pedatum L.
|
Northern Maidenhair Fern |
N |
Adlumia fungosa (Ait.) Greene ex BSP
|
Climbing Fumitory, Alleghany Vine |
N |
Agalinis purpurea (L.) Pennell
|
Purple False Foxglove |
N |
Agalinis tenuifolia (Vahl) Raf.
|
Slender-leaf False Foxglove, Slender False Foxglove |
N |
Agastache nepetoides (L.) Kuntze
|
Yellow Giant Hyssop |
N |
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 |
Agrimonia gryposepala Wallr.
|
Tall Hairy Agrimony |
N |
Agrimonia parviflora Ait.
|
Small-flowered Agrimony, Harvest-lice |
N |
Agrimonia pubescens Wallr.
|
Downy Agrimony |
N |
Agrimonia rostellata Wallr.
|
Woodland Agrimony |
N |
Agrostis capillaris L.
|
Colonial Bentgrass |
I |
Agrostis gigantea Roth
|
Redtop |
I |
Agrostis hyemalis (Walt.) B.S.P.
|
Winter Bentgrass, Ticklegrass |
N |
Agrostis perennans (Walt.) Tuckerman
|
Autumn Bentgrass |
N |
Ailanthus altissima (P. Miller) Swingle
|
Tree-of-heaven |
I |
Ajuga reptans L.
|
Carpet-bugle |
I |
Albizia julibrissin Durazz.
|
Mimosa, Silk Tree |
I |
Alisma subcordatum Rafinesque
|
Southern Water-plantain |
N |
Alliaria petiolata (Bieberstein) Cavara & Grande
|
Garlic Mustard, Hedge Garlic |
I |
Allium cernuum Roth
|
Nodding Onion |
N |
Allium tricoccum Ait.
|
Ramps, Wild Leek, Rampscallions |
N |
Allium vineale L.
|
Field Garlic, Onion Grass, Wild Onion |
I |
Alnus serrulata (Ait.) Willd.
|
Smooth Alder, Hazel Alder |
N |
Alopecurus pratensis L.
|
Meadow Foxtail |
I |
Amaranthus albus L.
|
Tumbleweed Amaranth, White Amaranth, Prostrate Pigweed |
I |
Amaranthus hybridus L.
|
Slender Pigweed, Smooth Pigweed, Green Amaranth |
N |
Amaranthus palmeri S. Wats.
|
Careless-weed, Palmer's Amaranth |
I |
Amaranthus retroflexus L.
|
Rough Pigweed, Red-root Amaranth |
N |
Amaranthus spinosus L.
|
Spiny Amaranth |
I |
Amauropelta noveboracensis (L.) S.E. Fawcett & A.R. Smith
|
New York Fern |
N |
Ambrosia artemisiifolia L.
|
Common Ragweed |
N |
Ambrosia trifida L.
|
Giant Ragweed |
N |
Amelanchier arborea (Michx. f.) Fernald
|
Downy Serviceberry |
N |
Amelanchier laevis Wieg.
|
Smooth 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 |
Ampelopsis cordata Michx.
|
Heart-leaf Peppervine, False Grape |
|
Amphicarpaea bracteata (L.) Fern. var. bracteata
|
Hog-peanut |
N |
Amphicarpaea bracteata (L.) Fern. var. comosa Fassett
|
American Hog-peanut, Lowland Hog-peanut |
N |
Anagallis arvensis L.
|
Scarlet Pimpernel, Common Pimpernel |
I |
Andersonglossum virginianum (L.) J.I. Cohen
|
Wild Comfrey |
N |
Andropogon gerardii Vitman
|
Big Bluestem, Turkeyfoot |
N |
Andropogon virginicus L.
|
Broomsedge, Broomstraw, Sedge Grass, Sage Grass |
N |
Anemone lancifolia Pursh
|
Lanceleaf Anemone, Mountain Anemone |
N |
Anemone virginiana L. var. virginiana
|
Thimbleweed, Tall Anemone |
N |
Angelica lucida L.
|
Seacoast Angelica |
I |
Angelica triquinata Michx.
|
Filmy Angelica, Mountain Angelica |
N |
Angelica venenosa (Greenway) Fern.
|
Hairy Angelica |
N |
Antennaria howellii Greene ssp. neodioica (Greene) Bayer
|
Howell's 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 virginica Stebbins
|
Shale-barren Pussytoes |
N |
Anthemis arvensis L.
|
Corn Chamomile |
I |
Anthoxanthum odoratum L.
|
Sweet Vernal Grass |
I |
Aphyllon uniflorum L.
|
Cancer-root |
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 |
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 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 |
Arctium minus Bernh.
|
Common Burdock, Lesser Burdock |
I |
Arenaria serpyllifolia L.
|
Large Thyme-leaved Sandwort |
I |
Arisaema dracontium (L.) Schott
|
Green Dragon |
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 oligantha Michx.
|
Prairie Three-awn Grass |
N |
Arnoglossum atriplicifolium (L.) H.E. Robins.
|
Pale Indian-plantain |
N |
Aronia melanocarpa (Michx.) Elliott
|
Black Chokeberry |
N |
Arrhenatherum elatius (L.) J. & K. Presl var. elatius
|
Tall Oatgrass |
I |
Artemisia annua L.
|
Sweet Wormwood, Annual Wormwood, Sweet Annie |
I |
Arthraxon hispidus (Thunb.) Makino var. hispidus
|
Joint-head Grass |
I |
Aruncus dioicus (Walt.) Fernald var. dioicus
|
Goat's-beard |
N |
Asarum canadense L.
|
Common Wild Ginger |
N |
Asclepias exaltata L.
|
Tall Milkweed |
N |
Asclepias incarnata L.
|
Swamp Milkweed |
N |
Asclepias incarnata L. var. incarnata
|
Swamp Milkweed |
N |
Asclepias purpurascens L.
|
Purple Milkweed |
N |
Asclepias quadrifolia Jacq.
|
Four-leaf Milkweed |
N |
Asclepias syriaca L.
|
Common Milkweed |
N |
Asclepias tuberosa L. var. tuberosa
|
Butterfly-weed, Common Butterfly-weed |
N |
Asclepias verticillata L.
|
Whorled Milkweed |
N |
Asclepias viridiflora Raf.
|
Green Milkweed |
N |
Asimina triloba (L.) Dunal
|
Pawpaw, Common Pawpaw |
N |
Asparagus officinalis L.
|
Asparagus |
I |
Asplenium bradleyi D.C. Eaton
|
Bradley's 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 |
Astragalus distortus T. & G. var. distortus
|
Ozark Milkvetch, Bent Milkvetch |
N |
Athyrium angustum (Willd.) K. Presl
|
Northern Lady Fern |
N |
Athyrium asplenioides (Michx.) A.A. Eaton
|
Southern Lady Fern |
N |
Atriplex patula L.
|
Spear Orach |
I |
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 |
Avenella flexuosa (Linnaeus) Drejer
|
Wavy Hairgrass |
N |
Azolla caroliniana Willd.
|
Eastern Mosquito Fern, Water Fern |
N |
Baptisia tinctoria (L.) R. Br. ex Ait. f.
|
Yellow Wild Indigo, Horsefly Weed |
N |
Barbarea verna (Miller) Ascherson
|
Early Winter Cress |
I |
Barbarea vulgaris R. Brown
|
Common Winter Cress, Yellow Rocket |
I |
Bassia scoparia (L.) A.J. Scott
|
Summer-cypress, Burning-bush |
I |
Benthamidia florida (L.) Spach
|
Flowering Dogwood |
N |
Berberis julianae Schneider
|
Wintergreen Barberry, Chinese Barberry |
I |
Berberis thunbergii DC
|
Japanese Barberry |
I |
Betula alleghaniensis Britt.
|
Yellow Birch |
N |
Betula lenta L. var. lenta
|
Sweet Birch, Black Birch |
N |
Bidens bipinnata L.
|
Spanish Needles |
N |
Bidens cernua L.
|
Nodding Beggar-ticks, Nodding Bur-marigold |
N |
Bidens comosa (Gray) Wiegand + Bidens connata Muhl. ex Willd.
|
Three-lobe Beggar-ticks |
N |
Bidens connata Muhl. ex Willd.
|
Purple-stem Beggar-ticks |
N |
Bidens frondosa L.
|
Devil's Beggar-ticks |
N |
Bidens polylepis Blake
|
Midwestern Tickseed Sunflower |
|
Bidens vulgata Greene
|
Tall Beggar-ticks, Big Devil's Beggar-ticks |
N |
Boehmeria cylindrica (L.) Sw.
|
False Nettle |
N |
Borodinia canadensis (L.) P.J. Alexander & Windham
|
Sicklepod, Canada Rock Cress |
N |
Borodinia laevigata (Muhl. ex Willd.) P.J. Alexander & Windham
|
Smooth Rock Cress |
N |
Botrychium matricariifolium (Retz.) A.Braun ex W.D.J.Koch
|
Daisyleaf Grape Fern, Daisyleaf Moonwort |
N |
Botrypus virginianus (L.) Michx.
|
Rattlesnake Fern |
N |
Bouteloua curtipendula (Michx.) Torr. var. curtipendula
|
Side-oats Grama |
N |
Brachyelytrum erectum (Schreb. ex Spreng.) Beauv.
|
Bearded Shorthusk, Common Shorthusk |
N |
Brassica juncea (Linnaeus) Czern.
|
Indian Mustard, Chinese Mustard |
I |
Brassica rapa Linnaeus
|
Turnip, Bird's Rape, Field Rape, Field Mustard |
I |
Brickellia eupatorioides (L.) Shinners
|
False Boneset |
N |
Bromus ciliatus L.
|
Fringed Brome Grass, Fringed Brome |
N |
Bromus inermis Leyss.
|
Awnless Brome Grass, Smooth Brome |
I |
Bromus japonicus Thunb. ex Murr.
|
Japanese Brome Grass, Japanese Chess |
I |
Bromus pubescens Sprengel
|
Common Eastern Brome Grass, Hairy Woodland Brome |
N |
Bromus racemosus L.
|
Smooth Brome, Bald Brome, Meadow Brome, Hairy Chess |
I |
Bromus sterilis L.
|
Poverty Brome |
I |
Bromus tectorum L.
|
Downy Brome, Downy Chess, Cheatgrass |
I |
Broussonetia papyrifera (L.) L'Her. ex Vent.
|
Paper Mulberry |
I |
Buglossoides arvensis (L.) I.M. Johnston ssp. arvensis
|
Corn-gromwell |
I |
Bulbostylis capillaris (L.) Kunth ex C.B. Clarke ssp. capillaris
|
Common Hairsedge |
N |
Calamagrostis canadensis (Michx.) Beauv. var. canadensis
|
Bluejoint, Canada Reedgrass |
N |
Calamagrostis porteri Gray ssp. porteri
|
Porter's Reedgrass |
N |
Callitriche heterophylla Pursh var. heterophylla
|
Large Water-starwort |
N |
Callitriche palustris L.
|
Vernal Water-starwort |
N |
Calystegia sepium (L.) R. Br. complex
|
Hedge Bindweed |
N |
Calystegia silvatica (Kit.) Griesb. ssp. fraterniflora (Mackenzie & Bush) Brummitt
|
Large Bindweed, Giant Bindweed |
N |
Campanula divaricata Michx.
|
Southern Harebell, Appalachian Bellflower |
N |
Campanulastrum americanum (L.) Small
|
Tall Bellflower |
N |
Campsis radicans (L.) Seem. ex Bureau
|
Trumpet-creeper |
N |
Capnoides sempervirens (L.) Borkh.
|
Pale Corydalis, Pink Corydalis, Rock Harlequin |
N |
Capsella bursa-pastoris (Linnaeus) Medicus
|
Common Shepherd's Purse |
I |
Cardamine angustata O. E. Schulz
|
Slender Toothwort |
N |
Cardamine bulbosa (Schreber ex. Muhlenberg) Britton, Sterns & Poggenberg
|
Spring Cress, Bulbous Bittercress |
N |
Cardamine concatenata (Michaux) O. Schwarz
|
Cut-leaf Toothwort |
N |
Cardamine hirsuta Linnaeus
|
Hairy Bittercress |
I |
Cardamine parviflora Linnaeus var. arenicola (Britton) O. E. Schulz
|
Small-flowered Bittercress, Sand Bittercress |
N |
Cardamine pensylvanica Muhlenberg ex Willdenow
|
Pennsylvania Bittercress |
N |
Carduus acanthoides L. ssp. acanthoides
|
Spiny Plumeless Thistle |
I |
Carduus nutans L.
|
Musk Thistle, Nodding Thistle |
I |
Carex aestivalis M.A. Curtis ex Gray
|
Summer Sedge |
N |
Carex aggregata Mackenzie
|
Glomerate Sedge |
N |
Carex amphibola complex
|
|
N |
Carex amphibola Steudel
|
Eastern Narrow-leaved Sedge |
N |
Carex annectens (Bickn.) Bickn.
|
Yellow-fuited Sedge |
N |
Carex appalachica Webber & Ball
|
Appalachian Sedge |
N |
Carex argyrantha Tuckerman ex Dewey
|
Silvery-flowered Sedge, Hay Sedge |
N |
Carex blanda Dewey
|
Eastern Woodland Sedge |
N |
Carex bromoides Schk. ex Willd. ssp. bromoides
|
Common Brome Sedge |
N |
Carex brunnescens (Pers.) Poiret
|
Brownish Sedge |
N |
Carex bushii Mackenzie
|
Bush's Sedge |
N |
Carex cephalophora Muhl. ex Willd.
|
Oval-leaved Sedge |
N |
Carex communis Bailey
|
Fibrous-rooted Sedge |
N |
Carex crebriflora Wiegand
|
Coastal Plain Sedge |
N |
Carex crinita Lam.
|
Long-fringed Sedge |
N |
Carex digitalis Willd.
|
Slender Woodland Sedge |
N |
Carex emoryi Dewey
|
Emory's sedge |
N |
Carex flaccosperma complex
|
Meadow Sedge, Thin-fruited Sedge |
N |
Carex frankii Kunth
|
Frank's Sedge |
N |
Carex glaucodea Tuckerman ex Olney
|
Blue Sedge |
N |
Carex gracilescens Steudel
|
Slender Loose-flowered Sedge |
N |
Carex gracillima Schw.
|
Graceful Sedge |
N |
Carex granularis Muhl. ex Willd.
|
Limestone Meadow Sedge |
N |
Carex grisea Wahlenb.
|
Inflated Narrow-leaved Sedge |
N |
Carex hirsutella Mackenzie
|
Fuzzy Sedge, Hairy-leaved Sedge |
N |
Carex laevivaginata (Kukenth.) Mackenzie
|
Smooth-sheathed Sedge |
N |
Carex laxiculmis Schweinitz
|
Spreading Sedge |
N |
Carex laxiflora Lam.
|
Broad Loose-flowered Sedge |
N |
Carex leptalea Wahlenberg var. leptalea
|
Bristly-stalk Sedge |
N |
Carex lupulina Willd.
|
Hop Sedge |
N |
Carex lurida Wahlenb.
|
Sallow Sedge |
N |
Carex molestiformis Rezn. & P. Rothr.
|
Frightful Sedge |
N |
Carex muehlenbergii Schk. ex Willd.
|
Muehlenberg's Sedge |
N |
Carex nigromarginata Schweinitz
|
Black-edged Sedge |
N |
Carex normalis Mackenzie
|
Greater Straw Sedge |
N |
Carex pensylvanica Lam.
|
Pennsylvania Sedge |
N |
Carex platyphylla Carey
|
Broad-leaved Sedge |
N |
Carex prasina Wahlenb.
|
Drooping Sedge |
N |
Carex radiata (Wahlenb.) Small
|
Eastern Star Sedge |
N |
Carex rosea Schk. ex Willd.
|
Rosy Sedge |
N |
Carex rugosperma Mackenzie
|
Parachute Sedge |
N |
Carex scabrata Schweinitz
|
Eastern Rough Sedge |
N |
Carex scoparia Schk. ex Willd.
|
Broom Sedge |
N |
Carex shortiana Dewey
|
Short's Sedge |
N |
Carex sparganioides Muhl. ex Willd.
|
Bur-reed Sedge |
N |
Carex squarrosa L.
|
Squarrose Sedge |
N |
Carex stipata Muhl. ex Willd. var. stipata
|
Stalk-grain Sedge, Awl-fruit Sedge |
N |
Carex striatula Michaux
|
Lined Sedge |
N |
Carex stricta Lam.
|
Tussock Sedge, Upright Sedge, Stool Sedge |
N |
Carex suberecta (Olney) Britton
|
Prairie Straw Sedge |
N |
Carex swanii (Fernald) Mackenzie
|
Swan's Sedge |
N |
Carex tonsa (Fernald) Bicknell
|
Shaved Sedge |
N |
Carex torta Boott
|
Twisted Sedge |
N |
Carex tribuloides Wahlenb. var. tribuloides
|
Blunt Broom Sedge |
N |
Carex typhina Michaux
|
Cattail Sedge |
N |
Carex virescens Muhl. ex Willd.
|
Ribbed Sedge |
N |
Carex vulpinoidea Michaux
|
Fox Sedge |
N |
Carex willdenowii Schk. ex Willd.
|
Willdenow's Sedge |
N |
Carpinus caroliniana Walt.
|
American Hornbeam, Ironwood |
N |
Carya cordiformis (Wangenh.) K. Koch
|
Bitternut Hickory |
N |
Carya glabra (P. Miller) Sweet
|
Pignut Hickory |
N |
Carya ovata (P.Mill.) K. Koch
|
Shagbark hickory |
N |
Carya tomentosa (Poir.) Nutt.
|
Mockernut Hickory |
N |
Castanea dentata (Marshall) Borkhausen
|
American Chestnut |
N |
Catalpa speciosa (Warder) Warder ex Engelm.
|
Northern Catalpa |
I |
Caulophyllum thalictroides (L.) Michx.
|
Blue Cohosh, Common Blue Cohosh |
N |
Ceanothus americanus L.
|
New Jersey Tea, Redroot |
N |
Celastrus orbiculatus Thunb.
|
Oriental Bittersweet |
I |
Celastrus scandens L.
|
Climbing Bittersweet, American Bittersweet |
N |
Celtis laevigata Willd.
|
Sugarberry, Southern Hackberry |
N |
Celtis occidentalis L.
|
Common Hackberry, Northern Hackberry |
N |
Celtis pumila Pursh
|
Dwarf Hackberry, Georgia Hackberry |
N |
Cenchrus longispinus (Hack.) Fern.
|
Northern Sandbur, Common Sandbur |
N |
Cenchrus spinifex Cav.
|
Coastal Sandbur |
N |
Centaurea nigrescens Willd.
|
Tyrol Knapweed |
I |
Centaurea stoebe L. ssp. micranthos (S.G. Gmelin ex Gugler) Hayek
|
Spotted Knapweed |
I |
Cephalanthus occidentalis L.
|
Buttonbush |
N |
Cerastium fontanum Baumg. ssp. vulgare (Hartman) Greuter & Burdet
|
Common Mouse-ear Chickweed |
I |
Cerastium glomeratum Thuill.
|
Sticky Mouse-ear Chickweed |
I |
Cerastium nutans Raf.
|
Nodding Mouse-ear Chickweed |
N |
Cerastium pumilum W. Curtis
|
Dwarf Mouse-ear |
I |
Cerastium velutinum Raf. var. velutinum
|
Field Chickweed |
N |
Cercis canadensis L. var. canadensis
|
Eastern Redbud |
N |
Chaerophyllum procumbens (L.) Crantz var. procumbens
|
Spreading Chervil |
N |
Chaerophyllum procumbens (L.) Crantz var. shortii Torr. & Gray
|
Short's Spreading Chervil |
N |
Chaiturus marrubiastrum (L.) Reichenb.
|
Horehound Motherwort, False Motherwort |
I |
Chamaecrista fasciculata (Michx.) Greene var. fasciculata
|
Common Partridge-pea |
N |
Chamaecrista nictitans (L.) Moench var. nictitans
|
Wild Sensitive Plant, Sensitive Partridge-pea |
N |
Chamaelirium luteum (L.) Gray
|
Devil's-bit |
N |
Chasmanthium latifolium (Michx.) Yates
|
River Oats |
N |
Chelidonium majus L.
|
Greater Celandine |
I |
Chelone glabra L.
|
White Turtlehead |
N |
Chenopodium album L.
|
Lamb's-quarters, Pigweed |
I |
Chenopodium standleyanum Aellen
|
Woodland Goosefoot, Standley's Goosefoot |
N |
Chimaphila maculata (L.) Pursh
|
Spotted Wintergreen, Striped Wintergreen |
N |
Chimaphila umbellata (L.) W. Barton ssp. cisatlantica (Blake) Hulten
|
Pipsissewa, Prince's-pine |
N |
Chionanthus virginicus L.
|
Fringetree, Old Man's Beard |
N |
Chondrilla juncea L.
|
Skeleton-weed, Rush Skeleton-weed |
I |
Chrysogonum virginianum L.
|
Green-and-gold |
N |
Chrysopsis mariana (L.) Ell.
|
Maryland Golden-aster |
N |
Chrysosplenium americanum Schwein. ex Hook.
|
Golden Saxifrage, Water-mat, Water-carpet |
N |
Cichorium intybus L.
|
Chicory, Succory |
I |
Cicuta maculata L. var. maculata
|
Water-hemlock, Spotted Water-hemlock |
N |
Cinna arundinacea L.
|
Common Wood Reedgrass, Sweet Wood Reed-grass |
N |
Circaea canadensis (L.) Hill
|
Enchanter's Night-shade |
N |
Cirsium arvense (L.) Scop.
|
Canada Thistle, Field Thistle |
I |
Cirsium discolor (Muhl. ex Willd.) Spreng.
|
Field Thistle |
N |
Cirsium vulgare (Savi) Ten.
|
Bull Thistle |
I |
Citrus trifoliata L.
|
Hardy Orange, Trifoliate Orange |
I |
Claytonia virginica L. var. virginiana
|
Spring Beauty, Virginia Spring Beauty, Eastern Spring Beauty |
N |
Claytosmunda claytoniana (L.) Metzgar & Rouhan
|
Interrupted Fern |
N |
Clematis occidentalis (Hornemann) DC. var. occidentalis
|
Purple Clematis, Mountain Clematis |
N |
Clematis terniflora DC.
|
Sweet Autumn Clematis, Japanese Clematis |
I |
Clematis viorna L.
|
Northern Leatherflower, Vase-vine |
N |
Clematis virginiana L.
|
Virgin’s-bower |
N |
Clinopodium vulgare L.
|
Wild Basil |
N |
Clintonia borealis (Ait.) Raf.
|
Bluebead Lily, Yellow Clintonia |
N |
Clintonia umbellulata (Michx.) Morong
|
Speckled Wood Lily, White Clintonia |
N |
Clitoria mariana L. var. mariana
|
Butterfly Pea |
N |
Coleataenia anceps (Michx.) Soreng ssp. anceps
|
Beaked Panic Grass |
N |
Coleataenia rigidula (Bosc ex Nees) LeBlond ssp. rigidula
|
Tall Flat Panic Grass |
N |
Collinsonia canadensis L.
|
Richweed, Canada Horsebalm |
N |
Comandra umbellata (L.) Nuttall var. umbellata
|
Eastern Bastard Toadflax |
N |
Commelina communis L.
|
Asiatic Dayflower, Common Dayflower |
I |
Commelina diffusa Burman f.
|
Creeping Dayflower |
I |
Commelina erecta L.
|
Slender Dayflower, Erect Dayflower |
N |
Commelina virginica L.
|
Virginia Dayflower |
N |
Conium maculatum L.
|
Poison Hemlock |
I |
Conoclinium coelestinum (L.) DC.
|
Mistflower, Ageratum |
N |
Conopholis americana (L.) Wallroth
|
Squawroot, Bearcorn |
N |
Consolida ajacis (L.) Schur.
|
Rocket Larkspur |
I |
Convolvulus arvensis L.
|
Field Bindweed |
I |
Corallorhiza maculata (Raf.) Raf. var. maculata
|
Eastern Spotted Coralroot |
N |
Corallorhiza odontorhiza (Willd.) Nuttall
|
Autumn Coralroot |
N |
Coreopsis lanceolata L.
|
Long-stalk Coreopsis |
|
Coreopsis tinctoria Nutt. var. tinctoria
|
Plains Coreopsis, Golden Tickseed |
I |
Corydalis flavula (Raf.) DC
|
Yellow Corydalis, Yellow Fumewort, Yellow Harlequin |
N |
Corylus americana Walt.
|
American Hazelnut, American Filbert |
N |
Corylus cornuta Marsh. var. cornuta
|
Beaked Hazelnut |
N |
Crataegus compacta Sargent
|
Clustered Hawthorn, Thames Hawthorn |
N |
Crataegus crus-galli L. var. pyracanthifolia Aiton
|
Narrowleaf Cockspur Hawthorn |
N |
Crataegus intricata Lange var. biltmoreana (Beadle) R.W. Lance
|
Biltmore Hawthorn |
N |
Crataegus intricata Lange var. straminea (Beadle) E.J. Palmer
|
Yellow-fruited Hawthorn |
N |
Crataegus macrosperma Ashe
|
Big-fruited Hawthorn, Eastern Hawthorn |
N |
Crataegus pruinosa (Wendl. f.) K. Koch var. pruinosa
|
Frosted Hawthorn |
N |
Crataegus uniflora Muenchh.
|
One-flowered Hawthorn |
N |
Crotalaria sagittalis L.
|
Rattlebox, Arrowhead Rattlebox |
N |
Croton glandulosus L. var. septentrionalis Muell.-Arg.
|
Tropic Croton, Tooth-leaved Croton, Sand Croton |
N |
Cryptotaenia canadensis (L.) DC.
|
Honewort |
N |
Cubelium concolor (T.F. Forst.) Raf. ex Britt. & A. Brown
|
Green Violet |
N |
Cunila origanoides (L.) Britt.
|
Common Dittany, Wild Oregano, Stonemint |
N |
Cuphea viscosissima Jacq.
|
Blue Waxweed, Clammy Cuphea |
N |
Cuscuta campestris Yuncker
|
Field Dodder |
N |
Cuscuta coryli Engelm.
|
Hazel Dodder |
N |
Cuscuta gronovii Willd. ex Roem. & Schult.
|
Common Dodder |
N |
Cuscuta pentagona Engelm.
|
Five-angled Dodder |
N |
Cynanchum laeve (Michx.) Pers.
|
Honeyvine, Sandvine |
N |
Cynodon dactylon (L.) Pers.
|
Bermuda Grass |
I |
Cynoglossum officinale L.
|
Hound's-tongue |
I |
Cyperus brevifolioides Thieret & Delahoussaye
|
Pasture Spikesedge, Asiatic Greenhead Sedge |
I |
Cyperus echinatus (L.) Wood
|
Globe Flatsedge |
N |
Cyperus esculentus L. var. leptostachyus Böckler
|
Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond |
|
Cyperus flavescens L.
|
Yellow Flatsedge |
N |
Cyperus hortensis (Salzmann ex Steudel) Dorr
|
Low Spikesedge |
N |
Cyperus lancastriensis Porter ex Gray
|
Many-flowered Flatsedge |
N |
Cyperus lupulinus (Sprengel) Marcks ssp. lupulinus
|
Upland Flatsedge |
N |
Cyperus lupulinus complex
|
|
N |
Cyperus odoratus L. var. odoratus
|
Fragrant Flatsedge, Rusty Flatsedge |
N |
Cyperus squarrosus L. var. squarrosus
|
Awned Flatsedge |
N |
Cyperus strigosus L.
|
Straw-colored Flatsedge |
N |
Cypripedium acaule Aiton
|
Pink Lady's-slipper, Moccasin-flower |
N |
Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight
|
Large Yellow Lady's-slipper |
N |
Cypripedium reginae Walter
|
Showy Lady's-slipper, Queen Lady's-slipper |
N |
Cystopteris protrusa (Weatherby) Blasdell
|
Lowland Bladder Fern, Lowland Brittle Fern |
N |
Cystopteris tenuis (Michx.) Desv.
|
Fragile Fern, Mackay's Bladder Fern |
N |
Dactylis glomerata L.
|
Orchard Grass |
I |
Dactylorhiza viridis (L.) R.M. Bateman Pridgeon, & M.W. Chase
|
Long-bracteate Green Orchid, Long-bracteate Frog Orchid |
N |
Danthonia compressa Austin
|
Mountain Oatgrass |
N |
Danthonia spicata (L.) Beauv. ex Roemer & J.A. Schultes
|
Poverty Oatgrass |
N |
Datura stramonium L.
|
Jimson-weed |
I |
Daucus carota L.
|
Queen-Anne's Lace, Wild Carrot |
I |
Delphinium exaltatum Ait.
|
Tall Larkspur |
N |
Deparia acrostichoides (Sw.) M. Kato
|
Silvery Spleenwort |
N |
Desmodium canescens (L.) DC.
|
Hoary Tick-trefoil |
N |
Desmodium marilandicum (L.) DC.
|
Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil |
N |
Desmodium nuttallii (Schindl.) Schub.
|
Nuttall's Tick-trefoil |
N |
Desmodium paniculatum (L.) DC. var. paniculatum
|
Narrow-leaf Tick-trefoil, Panicled-leaf Tick-trefoil |
N |
Desmodium rotundifolium DC.
|
Round-leaf Tick-trefoil, Prostrate Tick-trefoil |
N |
Dianthus armeria L.
|
Deptford Pink |
I |
Dicentra canadensis (Goldie) Walp.
|
Squirrel Corn |
N |
Dicentra cucullaria (L.) Bernh.
|
Dutchman's Breeches |
N |
Dichanthelium acuminatum (Sw.) Gould & C.A. Clark var. fasciculatum (Torr.) Freckmann
|
Slender-stemmed Panic Grass |
N |
Dichanthelium acuminatum complex
|
|
N |
Dichanthelium boscii (Poir.) Gould & C.A. Clark
|
Bosc's Panic Grass |
N |
Dichanthelium clandestinum (L.) Gould
|
Deer-Tongue Grass |
N |
Dichanthelium commutatum (J.A. Schultes) Gould
|
Variable Panic Grass, Ashe's Panic Grass |
N |
Dichanthelium commutatum (J.A. Schultes) Gould var. commutatum
|
Variable Panic Grass |
N |
Dichanthelium depauperatum (Muhl.) Gould
|
Starved Panic Grass |
N |
Dichanthelium dichotomum (L.) Gould var. dichotomum
|
Small-fruited Panic Grass |
N |
Dichanthelium dichotomum complex
|
|
N |
Dichanthelium latifolium (L.) Harvill
|
Broad-leaf Panic Grass |
N |
Dichanthelium linearifolium (Scribn.) Gould
|
Slim-leaf Panic Grass, Linear-leaf Panic Grass |
N |
Dichanthelium scribnerianum (Nash) J.R. Thomas
|
Scribner's Panic Grass |
N |
Dichanthelium sphaerocarpon (Ell.) Gould
|
Round-fruited Panic Grass |
N |
Diervilla lonicera Miller
|
Northern Bush-honeysuckle |
N |
Digitaria ciliaris (Retz.) Koeler
|
Southern Crabgrass |
N |
Digitaria ischaemum (Schreb.) Muhl.
|
Smooth Crabgrass |
I |
Digitaria sanguinalis / ciliaris complex
|
Hairy Crabgrass, Big Crabgrass, Southern Crabgrass |
|
Diodia virginiana L.
|
Virginia Buttonweed |
N |
Dioscorea polystachya Turczaninow
|
Chinese Yam, Cinnamon Vine |
I |
Dioscorea villosa L.
|
Wild Yam |
N |
Diospyros virginiana L.
|
Common Persimmon, American Persimmon |
N |
Diphasiastrum digitatum (Dill. ex A. Braun) Holub
|
Common Running-cedar, Common Running-pine |
N |
Dipsacus fullonum L.
|
Wild Teasel, Common Teasel |
I |
Dipsacus laciniatus L.
|
Cut-leaf Teasel |
I |
Doellingeria infirma (Michx.) Greene
|
Cornel-leaved Aster |
N |
Draba ramossissima Desvaux
|
Rocktwist |
N |
Draba verna Linnaeus
|
Whitlow-grass |
I |
Dryopteris carthusiana (Vill.) H.P. Fuchs
|
Spinulose Wood Fern, Toothed Wood Fern |
N |
Dryopteris cristata (L.) Gray
|
Crested Wood Fern, Crested Fern |
N |
Dryopteris goldieana (Hook. ex Goldie) Gray
|
Goldie's Wood Fern |
N |
Dryopteris intermedia (Muhl. ex Willd.) Gray
|
Evergreen Wood Fern, Fancy Fern |
N |
Dryopteris marginalis (L.) Gray
|
Marginal Wood Fern |
N |
Dysphania ambrosioides (L.) Mosyakin & Clemants
|
Mexican Tea, Wormseed, Epazote |
I |
Echinochloa crus-galli (L.) Beauv. var. crus-galli
|
Barnyard Grass |
I |
Echinochloa muricata (Beauv.) Fern. var. microstachya Wieg.
|
Rough Barnyard Grass |
N |
Echinochloa muricata (Beauv.) Fern. var. muricata
|
Rough Barnyard Grass |
N |
Echium vulgare L.
|
Viper's Bugloss, Blueweed |
I |
Eclipta prostrata (L.) L.
|
False Daisy, Yerba-de-tajo |
N |
Elaeagnus angustifolia L.
|
Russian Olive, Oleaster |
I |
Elaeagnus umbellata Thunb.
|
Autumn Olive |
I |
Eleocharis compressa Sullivant var. compressa
|
Flattened Spikerush |
N |
Eleocharis engelmannii Steudel
|
Engelmann Spikerush |
N |
Eleocharis obtusa (Willd.) Schultes
|
Blunt Spikerush |
N |
Eleocharis palustris (L.) Roemer & Schultes
|
Common Spikerush |
N |
Eleusine indica (L.) Gaertn.
|
Indian Goosegrass, Yard Grass |
I |
Ellisia nyctelea (L.) L.
|
Nyctelea, Waterpod, Aunt Lucy |
N |
Elodea canadensis Michx.
|
Common Waterweed |
N |
Elymus hystrix L. var. hystrix
|
Bottlebrush Grass |
N |
Elymus macgregorii Brooks & Campbell
|
Early Wild Rye, MacGregor's Wild Rye |
N |
Elymus repens (L.) Gould
|
Quackgrass, Dog Grass |
I |
Elymus riparius Wieg.
|
Riverbank Wild Rye |
N |
Elymus villosus Muhl. ex Willd.
|
Hairy Wild Rye, Downy Wild Rye |
N |
Elymus virginicus L. var. virginicus
|
Virginia Wild Rye |
N |
Endodeca serpentaria (L.) Raf.
|
Virginia Snakeroot, Turpentine-root |
N |
Endotropis lanceolata (Pursh) Hauensch.
|
Lance-Leaved Buckthorn |
N |
Epigaea repens L.
|
Trailing Arbutus |
N |
Epilobium coloratum Biehler
|
Purple-leaved Willow-herb |
N |
Equisetum arvense L.
|
Field Horsetail |
N |
Equisetum laevigatum A. Braun
|
Smooth Scouring-Rush |
N |
Equisetum praealtum Rafinesque
|
Tall Scouring-Rush |
N |
Eragrostis capillaris (L.) Nees
|
Lacegrass |
N |
Eragrostis cilianensis (All.) Vignola. ex Janchen
|
Stinkgrass |
I |
Eragrostis frankii C.A. Mey. ex Steud.
|
Sandbar Lovegrass, Frank's Lovegrass |
N |
Eragrostis hypnoides (Lam.) B.S.P.
|
Creeping Lovegrass |
N |
Eragrostis pectinacea (Michx.) Nees var. pectinacea
|
Tufted Lovegrass, Carolina Lovegrass, Western Lovegrass |
N |
Eragrostis pilosa (L.) Beauv. var. pilosa
|
India Lovegrass |
I |
Eragrostis spectabilis (Pursh) Steud.
|
Purple Lovegrass, Tumblegrass |
N |
Erechtites hieraciifolius (L.) Raf. ex DC.
|
Fireweed, Pilewort, American Burnweed |
N |
Erianthus giganteus (Walt.) P. Beauv.
|
Giant Plumegrass, Sugarcane Plumegrass |
N |
Erigeron annuus (L.) Pers.
|
Annual Fleabane |
N |
Erigeron canadensis L.
|
Horseweed, Common Horseweed |
N |
Erigeron philadelphicus L. var. philadelphicus
|
Philadelphia Fleabane |
N |
Erigeron pulchellus Michx. var. pulchellus
|
Robin's Plantain |
N |
Erigeron strigosus Muhl. ex Willd. var. strigosus
|
Daisy Fleabane |
N |
Eriogonum allenii S. Wats. in A. Gray et al.
|
Shale Barren Wild Buckwheat |
N |
Erodium cicutarium (L.) L'Her. ex Ait.
|
Common Storksbill, Heron's-bill, Red-stem Filaree, Alfileria |
I |
Erysimum cheiranthoides Linnaeus
|
Wormseed Wallflower |
I |
Erythronium americanum Ker-Gawl. ssp. americanum
|
Yellow Trout Lily, American Trout Lily |
N |
Euonymus alatus (Thunb.) Sieb.
|
Winged Euonymus, Burning Bush |
I |
Euonymus atropurpureus Jacq.
|
Eastern Wahoo |
N |
Euonymus fortunei (Turcz.) Hand.-Maz.
|
Winter Creeper, Climbing Euonymus |
I |
Eupatorium altissimum L.
|
Tall Thoroughwort |
N |
Eupatorium perfoliatum L.
|
Boneset, Common Boneset |
N |
Eupatorium sessilifolium L.
|
Upland Boneset |
N |
Euphorbia commutata Engelm.
|
Wood Spurge, Tinted Woodland Spurge |
N |
Euphorbia corollata L.
|
Flowering Spurge |
N |
Euphorbia cyparissias L.
|
Cypress Spurge |
I |
Euphorbia davidii Subils
|
Davids Spurge |
I |
Euphorbia dentata Michx.
|
Toothed Spurge, Green Poinsettia |
I |
Euphorbia maculata L.
|
Spotted Spurge, Milk-purslane |
N |
Euphorbia marginata Pursh
|
Snow-on-the-mountain |
I |
Euphorbia nutans Lagasca y Segura
|
Nodding Spurge, Eyebane |
N |
Euphorbia prostrata Aiton
|
Prostrate Sandmat |
I |
Euphorbia pubentissima Michx.
|
False Flowering Spurge |
N |
Euphorbia spathulata Lam.
|
Woodland Spurge |
N |
Eurybia divaricata (L.) Nesom
|
White Wood Aster |
N |
Eurybia macrophylla (L.) Cass.
|
Big-leaf Aster, Large-leaved Aster |
N |
Eurybia schreberi (Nees) Nees
|
Schreber's Aster |
N |
Euthamia graminifolia (L.) Nutt.
|
Common Grass-leaved Goldenrod |
N |
Eutrochium fistulosum (Barratt) E.E. Lamont
|
Hollow Joe-pye-weed |
N |
Eutrochium purpureum (Linnaeus) E.E. Lamont var. purpureum
|
Sweet-scented Joe-pye-weed, Sweet Joe-pye-weed, Purple Joe-pye-weed |
N |
Fagus grandifolia Ehrhart
|
American Beech |
N |
Fallopia convolvulus (L.) A. Love
|
Bindweed, Black Bindweed |
I |
Fallopia cristata (Engelm. & A. Gray) Holub
|
Crested False Buckwheat |
N |
Fallopia scandens (L.) Holub
|
Climbing False Buckwheat |
N |
Festuca subverticillata (Pers.) Alexeev
|
Nodding Fescue |
N |
Festuca trachyphylla (Hackell) Krajina
|
Hard Fescue |
I |
Ficaria verna Hudson
|
Lesser Celandine |
I |
Forsythia suspensa (Thunb.) Vahl
|
Weeping Forsythia |
I |
Fragaria virginiana Duchesne
|
Wild Strawberry |
N |
Fraxinus americana L.
|
White Ash |
N |
Fraxinus nigra Marshall
|
Black ash |
N |
Fraxinus pennsylvanica Marshall
|
Green Ash, Red Ash |
N |
Fumaria officinalis L.
|
Common Fumitory |
I |
Galactia regularis (L.) B.S.P.
|
Eastern Milkpea |
N |
Galearis spectabilis (L.) Raf.
|
Showy Orchis, Showy Orchid |
N |
Galinsoga parviflora Cav. var. parviflora
|
Small-flower Quickweed, Gallant Soldier |
I |
Galinsoga quadriradiata Ruiz & Pavon
|
Fringed Quickweed, Hairy Galinsoga, Shaggy Soldier |
I |
Galium anglicum Hudson
|
Lamarck's Bedstraw |
I |
Galium aparine L.
|
Cleavers |
N |
Galium circaezans Michx.
|
Forest Bedstraw |
N |
Galium concinnum Torr. & Gray
|
Shining Bedstraw |
N |
Galium latifolium Michx.
|
Purple Bedstraw |
N |
Galium mollugo L.
|
Smooth Bedstraw, Hedge Bedstraw |
I |
Galium pedemontanum (Bellardi) Allioni
|
Piedmont Bedstraw |
I |
Galium pilosum Ait.
|
Hairy Bedstraw |
N |
Galium tinctorium L.
|
Three-lobed Bedstraw |
N |
Galium triflorum Michx.
|
Sweet-scented Bedstraw |
N |
Galium verum L.
|
Yellow Bedstraw |
I |
Gamochaeta purpurea (L.) Cabrera
|
Purple Cudweed, Purple Everlasting |
N |
Gaultheria procumbens L.
|
Wintergreen, Teaberry |
N |
Gaylussacia baccata (Wangenh.) K. Koch
|
Black Huckleberry |
N |
Gentiana villosa L.
|
Striped Gentian |
N |
Gentianella quinquefolia (L.) Small
|
Eastern Stiff Gentian |
N |
Geranium carolinianum L.
|
Carolina Geranium, Carolina Cranesbill |
N |
Geranium columbinum L.
|
Long-stalk Cranesbill |
I |
Geranium maculatum L.
|
Wild Geranium |
N |
Geranium molle L.
|
Dove's-foot Geranium, Dove's-foot Cranesbill |
I |
Geum canadense Jacquin
|
White Avens |
N |
Geum virginianum L.
|
Cream Avens |
N |
Gillenia trifoliata (L.) Moench
|
Bowman's-root, Mountain Indian-physic |
N |
Glechoma hederacea L.
|
Gill-over-the-ground, Ground-ivy |
I |
Gleditsia triacanthos L.
|
Honey Locust |
|
Glyceria melicaria (Michx.) F.T. Hubbard
|
Slender Mannagrass, Melic Mannagrass |
N |
Glyceria septentrionalis A.S. Hitchc.
|
Eastern Mannagrass, Floating Mannagrass |
N |
Glyceria striata (Lam.) A.S. Hitchc. var. striata
|
Fowl Mannagrass |
N |
Goodyera pubescens (Willd.) R.Br. ex Aiton f.
|
Downy Rattlesnake-plantain |
N |
Gratiola neglecta Torr.
|
Clammy Hedge-hyssop |
N |
Gymnocarpium appalachianum Pryer and Haufler
|
Appalachian Oak Fern |
N |
Gymnocladus dioica (L.) K. Koch
|
Kentucky Coffee-tree |
N |
Hackelia virginiana (L.) I.M.Johnston
|
Virginia Stickseed |
N |
Hamamelis virginiana L. var. virginiana
|
Witch Hazel |
N |
Hedeoma pulegioides (L.) Pers.
|
American Pennyroyal |
N |
Hedera helix L.
|
English Ivy, Common Ivy |
I |
Helenium autumnale L.
|
Common Sneezeweed, Autumn Sneezeweed |
N |
Helianthus decapetalus L.
|
Thin-leaved Sunflower |
N |
Helianthus divaricatus L.
|
Woodland Sunflower |
N |
Helianthus laetiflorus Pers.
|
Showy Sunflower |
I |
Helianthus maximiliani Schrad.
|
Maximilian Sunflower |
I |
Helianthus strumosus L.
|
Pale-leaved Sunflower |
N |
Helianthus tuberosus L.
|
Jerusalem Artichoke |
I |
Heliopsis helianthoides (L.) Sweet var. helianthoides
|
Oxeye, Smooth Oxeye |
N |
Hemerocallis fulva (L.) L.
|
Orange Day-lily, Tiger-lily |
I |
Hepatica americana (DC.) Ker-Gawl.
|
Round-lobed Hepatica, Round-lobed Liverleaf |
N |
Heracleum maximum Bartr.
|
Cow-parsnip, Common Cow-parsnip |
N |
Hesperis matronalis Linnaeus
|
Dame's Rocket |
I |
Heteranthera dubia (Jacquin) MacMillan
|
Water Stargrass |
N |
Heuchera americana L.
|
Alumroot, Americana Alumroot |
N |
Hibiscus laevis Allioni
|
Halberd-leaf Rose-mallow, Smooth Rose-mallow |
N |
Hibiscus moscheutos L.
|
Swamp Rose-mallow, Eastern Rose-mallow, Crimson-eyed Rose-mallow |
N |
Hibiscus syriacus L.
|
Rose-of-Sharon, Althaea |
I |
Hibiscus trionum L.
|
Flower-of-an-hour |
I |
Hieracium gronovii L.
|
Hairy Hawkweed |
N |
Hieracium paniculatum L.
|
Panicled Hawkweed, Alleghany Hawkweed |
N |
Hieracium scabrum Michx.
|
Rough Hawkweed |
N |
Hieracium venosum L.
|
Rattlesnake Weed |
N |
Holcus lanatus L.
|
Common Velvet Grass |
I |
Holosteum umbellatum L. ssp. umbellatum
|
Jagged Chickweed |
I |
Hordeum jubatum L. ssp. jubatum
|
Foxtail Barley |
|
Houstonia caerulea L.
|
Common Bluets, Azur Bluets, Quaker Ladies |
N |
Houstonia longifolia Gaertn.
|
Longleaf Bluets |
N |
Houstonia tenuifolia Nuttall
|
Narrowleaf Bluets, Diffuse-branched Bluets |
N |
Humulus japonicus Sieb. & Zucc.
|
Japanese Hops |
I |
Humulus lupulus L.
|
Common Hops |
|
Huperzia appressa × lucidula
|
|
N |
Huperzia lucidula (Michx.) Trevisan
|
Shining Clubmoss, Shining Firmoss |
N |
Hyacinthus orientalis L.
|
Garden Hyacinth |
I |
Hydrangea arborescens L.
|
Wild Hydrangea, Smooth Hydrangea |
N |
Hydrophyllum canadense L.
|
Canada Waterleaf |
N |
Hydrophyllum virginianum L. var. virginianum
|
Virginia Waterleaf, Eastern Waterleaf |
N |
Hylodesmum glutinosum (Muhl. ex Willld.) H. Ohashi & R.R. Mill
|
Pointed-leaf Tick-trefoil |
N |
Hylodesmum nudiflorum (L.) H. Ohashi & R.R. Mill
|
Naked-Flowered Tick-trefoil |
N |
Hylotelephium telephioides (Michx.) H. Ohba
|
Allegheny Stonecrop, Allegheny Live-for-ever |
N |
Hypericum gymnanthum Engelm. & A. Gray
|
Clasping St. John's-wort, Clasping-leaf St. John's-wort |
N |
Hypericum mutilum L.
|
Dwarf St. John's-wort |
N |
Hypericum perforatum L.
|
Common St. John's-wort |
I |
Hypericum prolificum L.
|
Shrubby St. John's-wort |
N |
Hypericum punctatum Lam.
|
Spotted St. John's-wort |
N |
Hypericum stragulum P. Adams & Robson
|
Low St. Andrew's Cross |
N |
Hypochaeris radicata L.
|
Spotted Cat's-ear |
I |
Hypopitys monotropa Crantz
|
Pinesap |
N |
Hypoxis hirsuta (L.) Coville
|
Eastern Yellow Stargrass |
N |
Ilex montana Torr. & Gray ex Gray
|
Mountain Holly |
N |
Ilex opaca Aiton var. opaca
|
American Holly |
N |
Impatiens capensis Meerburg
|
Orange Jewelweed, Spotted Jewelweed |
N |
Impatiens pallida Nuttall
|
Yellow Jewelweed, Pale Jewelweed |
N |
Ionactis linariifolia (L.) Greene
|
Stiff-leaved Aster |
N |
Ipomoea hederacea Jacq.
|
Ivy-leaf Morning Glory |
I |
Ipomoea lacunosa L.
|
Small White Morning Glory |
N |
Ipomoea pandurata (L.) G.F.W. Mey.
|
Wild Potato-vine, Manroot, Man-of-the-earth |
N |
Ipomoea purpurea (L.) Roth
|
Common Morning Glory |
I |
Iris domestica (Linnaeus) Goldblatt & Mabberley
|
Blackberry-lily |
I |
Iris verna L.
|
Dwarf Iris |
N |
Iris verna L. var. smalliana Fernald ex M.E. Edwards
|
Upland Dwarf Iris |
N |
Isatis tinctoria Linnaeus
|
Dyer's Woad |
I |
Isotria verticillata (Muhl. ex Willd.) Raf.
|
Large Whorled Pogonia |
N |
Jeffersonia diphylla (L.) Pers.
|
Twinleaf |
N |
Juglans cinerea L.
|
Butternut, White Walnut |
N |
Juglans nigra L.
|
Black Walnut |
N |
Juncus acuminatus Michx.
|
Sharp-fruited Rush |
N |
Juncus bufonius L.
|
Toad Rush |
N |
Juncus dichotomus Ell.
|
Forked Rush |
N |
Juncus dudleyi Wieg.
|
Dudley's Rush |
N |
Juncus effusus L. var. solutus Fernald & Wiegand
|
Common Rush, Soft Rush |
N |
Juncus secundus Beauv. ex Poir.
|
Secund Rush, Lopsided Rush |
N |
Juncus subcaudatus (Engelm.) Coville & Blake
|
Short-tailed Rush |
N |
Juncus tenuis Willd.
|
Path Rush, Slender Rush, Poverty Rush |
N |
Juncus torreyi Coville
|
Torrey's Rush |
N |
Juniperus virginiana L. var. virginiana
|
Eastern Redcedar |
N |
Justicia americana (L.)Vahl
|
Common Water-willow, American Water-willow |
N |
Kalmia latifolia L.
|
Mountain Laurel, Ivy |
N |
Koelreuteria paniculata Laxmann
|
Golden Rain Tree |
I |
Krigia virginica (L.) Willd.
|
Dwarf-dandelion, Virginia Dwarf-dandelion |
N |
Kummerowia stipulacea (Maxim.) Makino
|
Korean-clover |
I |
Lactuca biennis (Moench) Fern.
|
Tall Blue Lettuce |
N |
Lactuca canadensis L.
|
Wild Lettuce |
N |
Lactuca floridana (L.) Gaertn.
|
Florida Blue Lettuce, Woodland Lettuce |
N |
Lactuca saligna L.
|
Willow-leaf Lettuce |
I |
Lactuca serriola L.
|
Prickly Lettuce |
I |
Lamium amplexicaule L. var. amplexicaule
|
Henbit, Henbit Dead-nettle |
I |
Lamium purpureum L.
|
Red Dead-nettle, Purple Dead-nettle |
I |
Laportea canadensis (L.) Weddell
|
Wood Nettle |
N |
Lapsana communis L.
|
Common Nipplewort |
I |
Lathyrus latifolius L.
|
Everlasting Pea, Perennial Sweet Pea |
I |
Lathyrus venosus Muhl. ex Willd. var. venosus
|
Veiny Pea |
N |
Lechea pulchella Raf.
|
Leggett's Pinweed |
N |
Lechea pulchella Raf. var. pulchella
|
Leggett's Pinweed |
N |
Lechea racemulosa Michx.
|
Common Pinweed, Illinois Pinweed |
N |
Leersia oryzoides (L.) Sw.
|
Rice Cutgrass |
N |
Leersia virginica Willd.
|
White Grass, White Cutgrass, Virginia Cutgrass |
N |
Lemna minor L.
|
Common Duckweed |
N |
Lemna perpusilla Torr.
|
Minute Duckweed |
N |
Leonurus cardiaca L. ssp. cardiaca
|
Motherwort, Lion's-tail |
I |
Lepidium campestre (Linnaeus) R. Brown
|
Field Pepperweed, Field Peppergrass, Cow Cress |
I |
Lepidium densiflorum Schrad.
|
Common Pepperweed, Prairie Peppergrass, Green-flowered Peppergrass |
I |
Lepidium virginicum L. var. virginicum
|
Virginia Pepperweed, Virginia Peppergrass, Common Peppergrass, Poor Man's Pepper |
N |
Lespedeza cuneata (Dum.-Cours.) G. Don
|
Sericea Lespedeza, Chinese Lespedeza |
I |
Lespedeza frutescens (L.) Ell.
|
Violet Lespedeza, Violet Bush-clover |
N |
Lespedeza hirta (L.) Hornemann var. hirta
|
Hairy Lespedeza, Hairy Bush-clover |
N |
Lespedeza procumbens Michx.
|
Trailing Lespedeza, Trailing Bush-clover |
N |
Lespedeza repens (L.) W. Bart.
|
Creeping Lespedeza, Creeping Bush-clover |
N |
Lespedeza violacea (L.) Pers.
|
Wand Lespedeza, Wand Bush-clover |
N |
Lespedeza virginica (L.) Britt.
|
Slender Lespedeza, Slender Bush-clover |
N |
Leucanthemum vulgare Lam.
|
Oxeye Daisy |
I |
Liatris scariosa (L.) Willd.
|
Large Blazing Star, Eastern Blazing Star |
N |
Ligusticum canadense (L.) Britt.
|
American Lovage |
N |
Ligustrum sinense Louriere
|
Chinese Privet |
I |
Lilium canadense L.
|
Canada Lily |
N |
Linaria vulgaris P. Mill.
|
Butter-and-eggs, Yellow Toadflax |
I |
Lindera benzoin (L.) Blume
|
Spicebush |
N |
Lindernia anagallidea (Michx.) Pennell
|
Long-stalked False Pimpernel |
N |
Lindernia dubia (L.) Pennell var. dubia
|
False Pimpernel, Yellow-seed False Pimpernel |
N |
Linum sulcatum Riddell var. sulcatum
|
Grooved Yellow Flax |
N |
Linum virginianum L.
|
Virginia Yellow Flax, Woodland Flax |
N |
Liriodendron tulipifera L.
|
Tulip-Poplar, Yellow Poplar, Tuliptree |
N |
Lithospermum canescens (Michx.) Lehm.
|
Hoary Puccoon |
N |
Lithospermum parviflorum Weakley, Witsell, & D. Estes
|
Shaggy False Gromwell, Eastern Prairie Marbleseed |
N |
Lobelia cardinalis L.
|
Cardinal Flower |
N |
Lobelia inflata L.
|
Indian Tobacco |
N |
Lobelia siphilitica L.
|
Great Blue Lobelia |
N |
Lobelia spicata Lam.
|
Pale-spike Lobelia |
N |
Lolium arundinaceum (Schreb.) Darbysh.
|
Tall Fescue, Alta Fescue |
I |
Lolium perenne L.
|
Rye Grass |
I |
Lolium perenne L. var. aristatum Willd.
|
Italian Rye Grass, Annual Rye Grass |
I |
Lolium perenne L. var. perenne
|
English Rye Grass, Perennial Rye Grass |
I |
Lonicera dioica L.
|
Limber Honeysuckle, Red Honeysuckle |
N |
Lonicera japonica Thunb.
|
Japanese Honeysuckle |
I |
Lonicera maackii (Rupr.) Maximowicz var. maackii
|
Amur Honeysuckle |
I |
Lonicera morrowii Gray
|
Morrow's Honeysuckle |
I |
Lonicera xylosteum L.
|
European Fly-honeysuckle |
I |
Lonicera ×bella Zabel
|
Showy Honeysuckle |
I |
Lotus corniculatus L.
|
Bird's-foot Trefoil |
I |
Ludwigia alternifolia L.
|
Seedbox, Alternate-leaved Seedbox |
N |
Ludwigia hexapetala (Hook. & Arn.) Zardini, Gu, & Raven
|
Large-flowered Primrose-willow, Common Water-primrose |
I |
Ludwigia palustris (L.) Elliott
|
Marsh Seedbox, Common Water-purslane |
N |
Luzula bulbosa (Wood) Smyth & Smyth
|
Bulbous Woodrush |
N |
Luzula echinata (Small) F.J. Hermann
|
Spreading Woodrush |
N |
Luzula multiflora (Ehrhart) Lejeune var. multiflora
|
Common Woodrush |
N |
Lycium barbarum L.
|
Common Matrimony-vine, Wolfberry, Goji Berry |
I |
Lycopus americanus Muhl. ex W. Bart.
|
American Bugleweed |
N |
Lycopus virginicus L.
|
Virginia Bugleweed, Virginia Water Horehound |
N |
Lyonia ligustrina (L.) DC. var. ligustrina
|
Maleberry, He-Huckleberry |
N |
Lysimachia nummularia L.
|
Moneywort, Creeping Jenny |
I |
Lysimachia quadrifolia L.
|
Whorled Loosestrife |
N |
Lysimachia terrestris (L.) B.S.P.
|
Swamp Loosestrife, Bog Loosestrife, Swamp Candles |
N |
Lythrum alatum Pursh
|
Northern Winged Loosestrife |
N |
Maclura pomifera (Raf.) Schneid.
|
Osage Orange, Hedge Apple, Bois-d'arc |
I |
Magnolia acuminata (L.) L.
|
Cucumber Magnolia, Cucumber-tree |
N |
Mahonia bealei (Fortune) Carr.
|
Leatherleaf Mahonia, Chinese Mahonia, Holly-grape |
I |
Maianthemum canadense Desf.
|
Canada Mayflower, False Lily-of-the-valley |
N |
Maianthemum racemosum (L.) Link
|
Eastern Solomon's-plume, False Solomon's-seal |
N |
Malus coronaria (L.) P. Mill.
|
Sweet Crabapple |
N |
Malus domestica (Suckow) Borkh.
|
Common Apple |
I |
Malva moschata L.
|
Musk Mallow |
I |
Malva neglecta Wallroth
|
Common Mallow, Cheeses |
I |
Marrubium vulgare L.
|
Common Horehound, White Horehound |
I |
Matelea carolinensis (Jacq.) Woods.
|
Carolina Milkvine |
N |
Matelea obliqua (Jacq.) Woods.
|
Climbing Milkvine |
N |
Matricaria discoidea DC.
|
Pineapple Weed, Rayless Chamomile |
I |
Medeola virginiana L.
|
Indian Cucumber-root |
N |
Medicago lupulina L.
|
Black Medick |
I |
Medicago sativa L.
|
Alfalfa, Lucerne |
I |
Melanthium hybridum Walter
|
Crisped Bunchflower, Broadleaf Bunchflower |
N |
Melilotus albus Medikus
|
White Sweet-clover |
I |
Melilotus officinalis (L.) Lam.
|
Yellow Sweet-clover |
I |
Menispermum canadense L.
|
Canada Moonseed, Common Moonseed, Yellow Parilla |
N |
Mentha canadensis L.
|
Canada Mint, Wild Mint |
N |
Mentha spicata L.
|
Spearmint |
I |
Mentha ×gracilis Sole
|
Ginger Mint, Creeping Whorled Mint |
I |
Mentha ×piperita L.
|
Peppermint |
I |
Mertensia virginica (L.) Pers. ex Link
|
Virginia Bluebells, Virginia Cowslip |
N |
Micranthes micranthidifolia (Haw.) Small
|
Lettuce Saxifrage, Lettuce-leaved Saxifrage, Brook Lettuce |
N |
Micranthes pensylvanica (L.) Haw.
|
Swamp Saxifrage |
N |
Micranthes virginiensis (Michaux) Small
|
Early Saxifrage |
N |
Microstegium vimineum (Trin.) A. Camus
|
Japanese Stiltgrass, Nepalese Brown-top, Japanese Grass |
I |
Mimulus alatus Aiton
|
Winged Monkeyflower |
N |
Mimulus ringens L. var. ringens
|
Square-stemmed Monkeyflower, Allegheny Monkeyflower |
N |
Mirabilis nyctaginea (Michx.) MacM.
|
Heart-leaved Umbrella-wort, Wild Four-o'clock |
I |
Mitchella repens L.
|
Partridge-berry |
N |
Mitella diphylla L.
|
Two-leaved Miterwort, Bishop's Cap |
N |
Mollugo verticillata L.
|
Carpetweed, Green Carpetweed, Indian Chickweed |
I |
Monarda clinopodia L.
|
White Bergamot, Basil Beebalm |
N |
Monarda fistulosa L.
|
Wild Bergamot |
N |
Monotropa uniflora L.
|
Indian Pipe |
N |
Morella cerifera (L.) Small
|
Southern Bayberry, Wax-Myrtle |
N |
Morus alba L.
|
White Mulberry |
I |
Morus rubra L.
|
Red Mulberry |
N |
Muhlenbergia capillaris (Lam.) Trin.
|
Hair-awn Muhly, Long-awn Hairgrass |
N |
Muhlenbergia frondosa (Poir.) Fern.
|
Smooth Wirestem Muhly |
N |
Muhlenbergia mexicana (L.) Trin.
|
Hairy Wirestem Muhly |
N |
Muhlenbergia schreberi J.F. Gmel.
|
Nimblewill |
N |
Muhlenbergia sobolifera (Muhl. ex Willd.) Trin.
|
Rock Muhly, Cliff Muhly |
N |
Muhlenbergia tenuiflora (Willd.) B.S.P.
|
Slender Muhly |
N |
Mummenhoffia alliacea (L.) Esmailbegi & Al-Shehbaz
|
Roadside Pennycress, Garlic Pennycress |
I |
Muscari botryoides (L.) P. Mill.
|
Common Grape-hyacinth |
I |
Muscari neglectum Guss. ex Ten.
|
Grape-hyacinth |
I |
Myosotis laxa Lehm. ssp. laxa
|
Smaller Forget-me-not, Tufted Forget-me-not |
N |
Myosotis scorpioides L.
|
True Forget-me-not, Water Forget-me-not |
I |
Myosotis verna Nutt.
|
Early Forget-me-not, Spring Forget-me-not |
N |
Myriophyllum spicatum L.
|
Eurasian Water-milfoil |
I |
Myriopteris lanosa (Michaux) Grusz & Windham
|
Hairy Lip Fern |
N |
Myriopteris rufa Fée
|
Chestnut Lip Fern |
N |
Myzorrhiza riparia (L.T. Collins) Weakley
|
River Broomrape |
N |
Nabalus albus (L.) Hooker
|
White Rattlesnake-root |
N |
Nabalus altissimus (L.) Hooker
|
Tall Rattlesnake-root |
N |
Nabalus trifoliolatus Cassini
|
Gall-of-the-earth |
N |
Narcissus pseudonarcissus L.
|
Common Daffodil |
I |
Narcissus ×incomparabilis P. Mill. (pro sp.)
|
Nonesuch Daffodil |
I |
Nasturtium officinale R. Brown
|
Watercress |
I |
Nepeta cataria L.
|
Catnip, Catmint |
I |
Noccaea perfoliata (Linnaeus) Al-Shehbaz
|
Perfoliate Pennycress, Thoroughwort Pennycress |
I |
Nuphar advena (Ait.) Ait.f.
|
Yellow Pond-lily, Common Spatterdock |
N |
Nymphaea odorata Aiton ssp. odorata
|
White Water-lily, Fragrant Water-lily |
N |
Nyssa sylvatica Marshall
|
Black Gum, Sour Gum |
N |
Obolaria virginica L.
|
Pennywort |
N |
Oclemena acuminata (Michx.) Greene
|
Whorled Wood Aster |
N |
Oenothera biennis L.
|
Common Evening-primrose |
N |
Oenothera gaura W.L. Wagner & Hoch
|
Biennial Gaura, Northeastern Gaura |
N |
Oenothera parviflora L.
|
Small-flowered Evening-primrose |
N |
Oenothera perennis L.
|
Small Sundrops, Little Sundrops |
N |
Oenothera tetragona Roth
|
Sundrops |
N |
Onoclea sensibilis L.
|
Sensitive Fern, Bead Fern |
N |
Ophioglossum engelmannii Prantl
|
Limestone Adder's-tongue, Engelmann's Adder's-tongue |
N |
Oplismenus undulatifolius (Ard.) P. Beauv.
|
Wavyleaf Basketgrass, Wavyleaf Grass |
I |
Opuntia humifusa (Raf.) Raf.
|
Eastern prickly-pear |
N |
Opuntia humifusa complex
|
Eastern Prickly-pear |
N |
Ornithogalum umbellatum L.
|
Common Star-of-Bethlehem |
I |
Osmanthus heterophyllus D. Don
|
Holly Osmanthus |
I |
Osmorhiza claytonii (Michx.) C.B. Clarke
|
Sweet Cicely |
N |
Osmorhiza longistylis (Torr.) DC.
|
Aniseroot |
N |
Osmunda spectabilis Willd.
|
Royal Fern |
N |
Osmundastrum cinnamomeum (L.) C. Presl var. cinnamomeum
|
Cinnamon Fern |
N |
Ostrya virginiana (P.Mill.) K.Koch
|
Hop-hornbeam, Eastern Hop-hornbeam, Ironwood |
N |
Oxalis dillenii Jacquin
|
Southern Yellow Wood-sorrel |
N |
Oxalis florida Salisbury
|
Slender Yellow Wood-sorrel |
N |
Oxalis stricta L.
|
Common Yellow Wood-sorrel |
N |
Oxalis violacea L.
|
Violet Wood-sorrel |
N |
Packera anonyma (Wood) W.A. Weber & A. Love
|
Small's Ragwort |
N |
Packera antennariifolia (Britton) W.A. Weber & A. Love
|
Shale-barren Ragwort |
N |
Packera aurea (L.) A. & D. Love
|
Golden Ragwort, Heartleaf Ragwort |
N |
Packera obovata (Muhl. ex Willd.) W.A. Weber & A. Love
|
Round-leaved Ragwort, Running Ragwort |
N |
Packera paupercula (Michaux) Á. & D. Löve var. appalachiana A.M. Mahoney;
|
Appalachian Ragwort |
N |
Panax quinquefolius L.
|
Ginseng, American Ginseng, Sang |
N |
Panicum capillare L. ssp. capillare
|
Witch Grass |
N |
Panicum dichotomiflorum Michx. var. dichotomiflorum
|
Spreading Panic Grass, Fall Panic Grass |
N |
Panicum philadelphicum Bernh. ex Trin. ssp. gattingeri (Nash) Freckm. & Lelong
|
Gattinger's Panic Grass |
N |
Panicum philadelphicum Bernh. ex Trin. ssp. philadelphicum
|
Philadelphia Panic Grass |
N |
Panicum virgatum L. var. virgatum
|
Switchgrass |
N |
Papaver dubium L.
|
Field Poppy, Long-headed Poppy |
I |
Parietaria pensylvanica Muhl. ex Willd.
|
Pennsylvania Pellitory, Rock Pellitory |
N |
Parogonum ciliinode (Michaux) Desjardins & J.P. Bailey
|
Fringed Bindweed, Fringed Black Bindweed |
N |
Paronychia canadensis (L.) Wood
|
Smooth Forked Nailwort |
N |
Paronychia fastigiata (Raf.) Fern.
|
Hairy Forked Nailwort |
N |
Paronychia montana (Small) Pax & K. Hoffmann
|
Mountain Nailwort |
N |
Parthenium integrifolium L. var. integrifolium
|
Common Wild Quinine |
N |
Parthenocissus quinquefolia (L.) Planch.
|
Virginia-creeper |
N |
Paspalum floridanum Michx.
|
Florida Paspalum |
N |
Paspalum laeve Michx.
|
Field Paspalum |
N |
Paspalum pubiflorum Rupr. ex Fourn. var. glabrum Vasey
|
Hairy-seed Paspalum, Hairy-seed Crown-grass |
N |
Passiflora lutea L.
|
Yellow Passionflower |
N |
Pastinaca sativa L.
|
Wild Parsnip |
I |
Patis racemosa (Sm.) Romasch., P.M. Peterson, & Soreng
|
Black-seed Ricegrass |
N |
Paulownia tomentosa (Thunb.) Steud.
|
Royal Paulownia, Princess Tree, Empress Tree |
I |
Pedicularis canadensis L.
|
Lousewort, Wood-betony |
N |
Pellaea atropurpurea (L.) Link
|
Purple Cliff-brake |
N |
Pellaea glabella Mett. ex Kuhn ssp. glabella
|
Smooth Cliff-brake |
N |
Penstemon canescens (Britt.) Britt.
|
Gray Beard-tongue, Eastern Gray Beard-tongue |
N |
Penstemon digitalis Nutt. ex Sims
|
Foxglove Beard-tongue, Tall White Beard-tongue |
|
Penstemon laevigatus Aiton
|
Smooth Beard-tongue, Eastern Smooth Beard-tongue |
N |
Penthorum sedoides L.
|
Ditch Stonecrop |
N |
Perilla frutescens (L.) Britt.
|
Perilla, Beefsteak Plant |
I |
Persicaria amphibia (L.) Gray
|
Water Smartweed |
N |
Persicaria arifolia (L.) Haraldson
|
Halberd-leaf Tearthumb |
N |
Persicaria hydropiper (L.) Spach
|
Marsh-pepper Smartweed, Water-pepper |
I |
Persicaria hydropiperoides (Michx.) Small
|
Mild Water-pepper, Marsh-pepper Smartweed |
N |
Persicaria lapathifolia (L.) Gray
|
Dock-leaf Smartweed, Pale Smartweed |
N |
Persicaria longiseta (Bruijn) Kitagawa
|
Long-bristled Smartweed, Bristly Lady's-Thumb |
I |
Persicaria maculosa Gray
|
Lady's-thumb, Spotted Lady's-thumb |
I |
Persicaria pensylvanica (L.) M. Gomez
|
Pennsylvania Smartweed, Pinkweed |
N |
Persicaria punctata (Ell.) Small
|
Dotted Smartweed |
N |
Persicaria sagittata (L.) H. Gross ex Nakai
|
Arrow-leaf Tearthumb |
N |
Persicaria virginiana (L.) Gaertn.
|
Virginia Knotweed, Jumpseed |
N |
Petrorhagia prolifera (L.) P.W. Ball & Heywood
|
Childing Pink, Proliferous Pink |
I |
Phacelia dubia (L.) Trel. var. dubia
|
Appalachian Phacelia |
N |
Phacelia purshii Buckl.
|
Miami-mist |
N |
Phalaris arundinacea L.
|
Reed Canary Grass, Ribbon Grass |
|
Phegopteris hexagonoptera (Michx.) Fee
|
Broad Beech Fern |
N |
Phemeranthus teretifolius (Pursh) Raf.
|
Roundleaf Fameflower, Quill Fameflower, Appalachian Fameflower |
N |
Philadelphus coronarius L.
|
Sweet Mock Orange |
I |
Philadelphus inodorus L.
|
Scentless Mock Orange |
N |
Phleum pratense L.
|
Timothy |
I |
Phlox divaricata L.
|
Wild Blue Phlox, Woodland Phlox |
N |
Phlox maculata L.
|
Meadow Phlox, Wild Sweet-william |
N |
Phlox paniculata L.
|
Fall Phlox, Garden Phlox |
N |
Phlox subulata L.
|
Moss Phlox, Moss-pink |
N |
Phryma leptostachya L.
|
Lopseed, American Lopseed |
N |
Phyla lanceolata (Michx.) Greene
|
Frogfruit, Lance-leaf Frogfruit |
N |
Phyllanthus caroliniensis Walt. ssp. caroliniensis
|
Carolina Leaf-flower |
N |
Physalis longifolia Nuttall var. subglabrata (Mackenzie & Bush) Cronq.
|
Longleaf Ground-cherry |
N |
Physocarpus opulifolius (L.) Maxim. var. opulifolius
|
Common Ninebark, Eastern Ninebark |
N |
Phytolacca americana L. var. americana
|
Common Pokeweed |
N |
Pilea pumila (L.) Gray
|
Clearweed, Greenfruit Clearweed |
N |
Pilosella caespitosa (Dum.) P.D. Sell & C. West
|
Meadow Hawkweed, Yellow King-devil |
I |
Pilosella piloselloides (Villars) Soják
|
Tall Hawkweed |
I |
Pimpinella saxifraga L. ssp. saxifraga
|
Burnet Saxifrage |
I |
Pinus echinata Miller
|
Shortleaf Pine |
N |
Pinus pungens Lambert
|
Table-mountain Pine |
N |
Pinus rigida Miller
|
Pitch Pine |
N |
Pinus strobus L.
|
Eastern White Pine |
N |
Pinus virginiana Miller
|
Virginia Pine, Scrub Pine |
N |
Piptochaetium avenaceum (L.) Parodi
|
Eastern Needlegrass |
N |
Plantago lanceolata L.
|
English Plantain, Rib-grass |
I |
Plantago major L.
|
Common Plantain |
I |
Plantago rugelii Dcne.
|
American Plantain, Broad-leaved Plantain, Blackseed Plantain |
N |
Plantago virginica L.
|
Virginia Plantain, Paleseed Plantain |
N |
Platanthera clavellata (Michx.) Luer
|
Small Green Wood Orchid |
N |
Platanthera grandiflora (Bigelow) Lindl.
|
Large Purple Fringed Orchid |
N |
Platanthera psycodes (L.) Lindl.
|
Small Purple Fringed Orchid |
N |
Platanus occidentalis L.
|
Sycamore, American Sycamore |
N |
Poa alsodes Gray
|
Grove Bluegrass |
N |
Poa annua L.
|
Annual Bluegrass |
I |
Poa compressa L.
|
Flat-stemmed Bluegrass |
I |
Poa cuspidata Nutt.
|
Early Bluegrass, Short-leaved Bluegrass |
N |
Poa paludigena Fern. & Wieg.
|
Bog Bluegrass |
N |
Poa pratensis L.
|
Kentucky Bluegrass |
I |
Poa sylvestris Gray
|
Woodland Bluegrass |
N |
Poa trivialis L. ssp. trivialis
|
Rough Bluegrass |
I |
Podophyllum peltatum L.
|
Mayapple |
N |
Polygonatum biflorum (Walt.) Ell.
|
Solomon's-seal |
N |
Polygonatum biflorum (Walt.) Ell. var. biflorum
|
Solomon's-seal |
N |
Polygonatum biflorum (Walt.) Ell. var. commutatum (J.A. & J.H. Schultes) Morong
|
Large Solomon's-seal, King Solomon's-seal |
N |
Polygonatum pubescens (Willd.) Pursh
|
Hairy Solomon's-seal, Downy Solomon's-seal |
N |
Polygonum aviculare L.
|
Prostrate Knotweed, Knotgrass |
I |
Polygonum erectum L.
|
Erect Knotweed |
N |
Polygonum tenue Michx.
|
Slender Knotweed |
N |
Polymnia canadensis L.
|
White-flowered Leafcup |
N |
Polypodium virginianum L.
|
Common Rock Polypody, Common Rockcap Fern |
N |
Polystichum acrostichoides (Michx.) Schott
|
Christmas Fern |
N |
Populus alba L.
|
White Poplar, Silver Poplar |
I |
Populus deltoides Bartram ex Marshall ssp. deltoides
|
Eastern Cottonwood |
N |
Populus grandidentata Michx.
|
Bigtooth Aspen |
N |
Populus ×canescens (Ait.) Sm.
|
Gray Poplar |
I |
Portulaca oleracea L.
|
Common Purslane, Garden Purslane |
I |
Potamogeton crispus L.
|
Curled Pondweed, Curly Pondweed |
I |
Potamogeton foliosus Raf. var. foliosus
|
Leafy Pondweed |
N |
Potamogeton pulcher Tuckerman
|
Spotted Pondweed |
N |
Potentilla canadensis L.
|
Dwarf Cinquefoil, Canada Cinquefoil |
N |
Potentilla indica (Andr.) T. Wolf
|
Indian-strawberry |
I |
Potentilla norvegica L.
|
Rough Cinquefoil |
N |
Potentilla recta L.
|
Sulphur Cinquefoil, Rough-fruited Cinquefoil |
I |
Potentilla simplex Michx.
|
Common Cinquefoil |
N |
Primula meadia (L.) A. R. Mast & Reveal
|
Eastern Shooting Star |
N |
Proserpinaca palustris L.
|
Common Mermaid-weed |
N |
Prunella vulgaris L.
|
Self-heal, Heal-all |
N |
Prunus alleghaniensis Porter var. alleghaniensis
|
Allegheny Plum, Allegheny Sloe |
N |
Prunus avium (L.) L.
|
Sweet Cherry, Bird Cherry |
I |
Prunus nigra Aiton
|
Canada Plum |
N |
Prunus pensylvanica L.f.
|
Pin Cherry, Fire Cherry |
N |
Prunus persica (L.) Batsch
|
Peach |
I |
Prunus serotina Ehrhart ssp. serotina
|
Black Cherry, Wild Black Cherry |
N |
Prunus virginiana L. var. virginiana
|
Choke Cherry |
N |
Pseudognaphalium obtusifolium (L.) Hilliard & Burtt
|
Sweet Everlasting, Catfoot, Rabbit Tobacco |
N |
Ptelea trifoliata L. var. trifoliata
|
Hop-tree, Wafer-ash |
N |
Pteridium aquilinum (L.) Kuhn
|
Bracken Fern |
N |
Pteridium aquilinum (L.) Kuhn ssp. latiusculum (Desv.) Hulten
|
Eastern Bracken Fern |
N |
Pycnanthemum incanum (L.) Michx. var. incanum
|
Hoary Mountain-mint |
N |
Pycnanthemum incanum complex
|
Hoary Mountain-mint |
N |
Pycnanthemum pycnanthemoides (Leavenworth) Fern.
|
Southern Mountain-mint |
N |
Pycnanthemum tenuifolium Schrad.
|
Narrow-leaf Mountain-mint, Slender Mountain-mint |
N |
Pycnanthemum virginianum (L.) T. Dur. & B.D. Jackson ex B.L. Robins. & Fern.
|
Virginia Mountain-mint |
N |
Pyrus calleryana Dcne.
|
Callery Pear |
I |
Quercus alba Linnaeus
|
White Oak |
N |
Quercus coccinea Muenchhausen
|
Scarlet Oak |
N |
Quercus ilicifolia Wangenheim
|
Bear Oak, Scrub Oak |
N |
Quercus imbricaria Michaux
|
Shingle Oak |
N |
Quercus macrocarpa Michaux
|
Bur Oak, Mossycup Oak |
N |
Quercus marilandica Muenchhausen var. marilandica
|
Blackjack Oak |
N |
Quercus montana Willd.
|
Chestnut Oak, Rock Chestnut Oak |
N |
Quercus muehlenbergii Engelmann
|
Chinquapin Oak, Chinkapin Oak, Yellow Oak |
N |
Quercus palustris Muenchhausen
|
Pin Oak |
N |
Quercus prinoides Willdenow
|
Dwarf Chinquapin Oak, Dwarf Chinkapin Oak |
N |
Quercus rubra Linnaeus var. rubra
|
Northern Red Oak |
N |
Quercus stellata Wangenheim
|
Post Oak |
N |
Quercus velutina Lamarck
|
Black Oak |
N |
Ranunculus abortivus L.
|
Kidneyleaf Buttercup |
N |
Ranunculus allegheniensis Britt.
|
Allegheny Buttercup, Mountain Crowfoot |
N |
Ranunculus bulbosus L.
|
Bulbous Buttercup |
I |
Ranunculus hispidus Michx.
|
Bristly Buttercup, Hispid Buttercup |
N |
Ranunculus micranthus Nutt.
|
Rock Buttercup |
N |
Ranunculus pusillus Poir.
|
Low Spearwort |
N |
Ranunculus recurvatus Poir. var. recurvatus
|
Hooked Buttercup, Hooked Crowfoot |
N |
Ranunculus repens L.
|
Creeping Buttercup |
I |
Ranunculus sardous Crantz
|
Hairy Buttercup |
I |
Ranunculus sceleratus L. var. sceleratus
|
Cursed Buttercup, Celery-leaved Crowfoot |
N |
Ranunculus septentrionalis Poir.
|
Carolina Buttercup |
N |
Reynoutria japonica Houttuyn var. japonica
|
Japanese Knotweed |
I |
Rhododendron maximum L.
|
Great Rhododendron, White Rosebay, Great Laurel |
N |
Rhododendron periclymenoides (Michx.) Shinners
|
Wild Azalea, Pinxterflower, Pinxterbloom Azalea |
N |
Rhododendron pilosum (Michx.) Craven
|
Minniebush |
N |
Rhododendron prinophyllum (Small) Millais
|
Early Azalea, Rose Azalea, Roseshell Azalea |
N |
Rhododendron viscosum (L.) Torr. var. viscosum
|
Swamp Azalea, Clammy Azalea |
N |
Rhodotypos scandens (Thunb.) Makino
|
Jetbead |
I |
Rhus aromatica Aiton var. aromatica
|
Fragrant Sumac |
N |
Rhus copallinum L. var. latifolia Engler
|
Winged Sumac, Shining Sumac |
N |
Rhus glabra L.
|
Smooth Sumac |
N |
Rhus typhina L.
|
Staghorn Sumac |
N |
Ribes missouriense Nutt.
|
Missouri Gooseberry |
I |
Ribes rotundifolium Michx.
|
Appalachian Gooseberry |
N |
Robinia pseudoacacia L.
|
Black Locust |
N |
Rorippa palustris (L.) Besser ssp. palustris
|
Marsh Yellow Cress |
N |
Rorippa sylvestris (Linnaeus) Besser
|
Creeping Yellow Cress |
I |
Rosa carolina L. ssp. carolina
|
Carolina Rose, Pasture Rose |
N |
Rosa luciae Franchet & Rochebrune ex Crepin
|
Memorial Rose, Dorothy Perkins Rose, Lucie Rose |
I |
Rosa multiflora Thunb. ex Murr.
|
Multiflora Rose |
I |
Rosa palustris Marsh.
|
Swamp Rose |
N |
Rosa rubiginosa L. var. rubiginosa
|
Eglantine Rose |
I |
Rosa setigera Michx.
|
Prairie Rose, Climbing Prairie Rose |
N |
Rubacer odoratum (L.) Rydb.
|
Flowering Raspberry, Purple-flowering Raspberry |
N |
Rubus allegheniensis Porter
|
Allegheny Blackberry |
N |
Rubus bifrons Vest
|
European Blackberry, Himalayan Blackberry |
I |
Rubus flagellaris Willd.
|
Common Dewberry |
N |
Rubus laciniatus Willd.
|
Cut-leaved Blackberry, Evergreen Blackberry |
I |
Rubus occidentalis L.
|
Black Raspberry |
N |
Rubus pensilvanicus Poir.
|
Pennsylvania Blackberry, Prickly Blackberry |
N |
Rubus phoenicolasius Maxim.
|
Wineberry |
I |
Rudbeckia hirta L. var. hirta
|
Woodland Black-eyed Susan |
N |
Rudbeckia hirta L. var. pulcherrima Farwell
|
Black-eyed Susan |
N |
Rudbeckia laciniata L.
|
Cut-leaf Coneflower, Common Cut-leaf Coneflower, Green-headed Coneflower |
N |
Rudbeckia triloba L. var. triloba
|
Three-lobed Coneflower, Brown-eyed Susan |
N |
Ruellia caroliniensis (Gmelin) Steudel
|
Carolina Wild-petunia, Common Wild-petunia |
N |
Ruellia strepens L.
|
Smooth Wild-petunia, Limestone Wild-petunia |
N |
Rumex altissimus Wood
|
Pale Dock, Tall Dock |
N |
Rumex conglomeratus Murr.
|
Clustered Dock, Clustered Green Dock |
I |
Rumex crispus L. ssp. crispus
|
Curly Dock |
I |
Rumex obtusifolius L.
|
Bitter Dock, Broad-leaf Dock |
I |
Sabatia angularis (L.) Pursh
|
Rose-pink |
N |
Sagittaria latifolia Willdenow
|
Broad-leaved Arrowhead, Duck Potato, Wapato |
N |
Salix babylonica L.
|
Weeping Willow |
I |
Salix caroliniana Michx.
|
Carolina Willow, Coastal Plain Willow |
N |
Salix eriocephala Michx.
|
Heart-leaved Willow |
N |
Salix humilis Marshall
|
Prairie Willow, Upland Willow |
N |
Salix nigra Marsh.
|
Black Willow |
N |
Salix sericea Marsh.
|
Silky Willow |
N |
Salvia lyrata L.
|
Lyre-leaf Sage |
N |
Sambucus canadensis L.
|
Common Elderberry |
N |
Sambucus racemosa L. var. pubens (Michx.) Koehne
|
Red Elderberry |
N |
Samolus parviflorus Raf.
|
Water-pimpernel, Brookweed |
N |
Sanguinaria canadensis L.
|
Bloodroot |
N |
Sanicula canadensis L. var. canadensis
|
Black Snakeroot |
N |
Sanicula marilandica L.
|
Sanicle |
N |
Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe
|
Clustered Snakeroot |
N |
Saponaria officinalis L.
|
Soapwort, Bouncing Bet |
I |
Sassafras albidum (Nutt.) Nees
|
Sassafras |
N |
Saururus cernuus L.
|
Lizard's-tail, Water-dragon |
N |
Sceptridium biternatum (Savigny) Lyon
|
Southern Grape Fern |
N |
Sceptridium dissectum (Sprengel) Lyon
|
Cut-leaf Grape Fern, Dissected Grape Fern |
N |
Schizachyrium scoparium (Michx.) Nash var. scoparium
|
Little Bluestem |
N |
Schoenoplectiella purshiana (Fernald) K. Lye var. purshiana
|
Blunt-scale Bulrush, Weak-stalk Bulrush |
N |
Schoenoplectus pungens (Vahl) Palla var. pungens
|
Common Threesquare, Chairmaker's Rush |
N |
Schoenoplectus tabernaemontani (Gmelin) Palla
|
Soft-stem Bulrush |
N |
Scirpus atrovirens Willd.
|
Dark Green Bulrush |
N |
Scirpus cyperinus (L.) Kunth
|
Woolgrass |
N |
Scirpus georgianus Harper
|
Georgia Bulrush |
N |
Scirpus pendulus Muhlenberg
|
Reddish Bulrush |
N |
Scleranthus annuus L. ssp. annuus
|
Knawel, Annual Knawel |
I |
Sclerochloa dura (L.) Beauv.
|
Hard Grass, Fairground Grass |
I |
Scrophularia lanceolata Pursh
|
American Figwort, Lanceleaf Figwort, Early Figwort |
N |
Scrophularia marilandica L.
|
Eastern Figwort, Late Figwort |
N |
Scutellaria elliptica Muhl. ex Spreng.
|
Hairy Skullcap |
N |
Scutellaria elliptica Muhl. ex Spreng. var. elliptica
|
Hairy Skullcap |
N |
Scutellaria lateriflora L.
|
Mad-dog Skullcap, Blue Skullcap |
N |
Scutellaria leonardii Epling
|
Small Skullcap, Leonard's Skullcap |
N |
Scutellaria ovata Hill
|
Heart-leaf Skullcap |
N |
Scutellaria ovata Hill ssp. ovata
|
Heart-leaf Skullcap |
N |
Scutellaria ovata Hill ssp. rugosa (A. Wood) Epling
|
Heart-leaf Skullcap |
N |
Scutellaria saxatilis Riddell
|
Rock Skullcap |
N |
Scutellaria serrata Andr.
|
Showy Skullcap |
N |
Securigera varia (L.) Lassen
|
Crown Vetch |
I |
Sedum glaucophyllum Clausen
|
Cliff Stonecrop |
N |
Sedum sarmentosum Bunge
|
Stringy Stonecrop |
I |
Sedum ternatum Michx.
|
Wild Stonecrop, Woodland Stonecrop |
N |
Selaginella apoda (L.) Spring
|
Meadow Spikemoss |
N |
Selaginella rupestris (L.) Spring
|
Rock Spikemoss |
N |
Senega ambigua (Nutt.) J.F.B. Pastore & J.R. Abbott
|
Loose Milkwort |
N |
Senega verticillata (L.) J.F.B. Pastore & J.R. Abbott
|
Whorled Milkwort |
N |
Senna hebecarpa (Fernald) Irwin & Barneby
|
American Senna, Northern Wild Senna |
N |
Senna marilandica (L.) Link
|
Maryland Wild Senna, Southern Wild Senna |
N |
Sericocarpus caespitosus Nesom
|
Clumped White-top Aster |
N |
Setaria faberi Herrm.
|
Nodding Bristlegrass, Japanese Bristlegrass |
I |
Setaria parviflora (Poir.) Kerguelen
|
Knotroot Bristlegrass, Knotroot Foxtail |
N |
Setaria pumila (Poir.) Roemer & Schultes ssp. pumila
|
Yellow Bristlegrass, Yellow Foxtail |
I |
Setaria viridis (L.) Beauv. var. viridis
|
Green Bristlegrass, Green Foxtail |
I |
Sicyos angulatus L.
|
Bur Cucumber, One-seeded Bur Cucumber, Star Cucumber |
N |
Sida spinosa L.
|
Prickly Sida, Prickly Mallow |
I |
Silene antirrhina L.
|
Sleepy Catchfly |
N |
Silene caroliniana Walt. var. pensylvanica (Michx.) Fernald
|
Wild Pink, Northern Wild Pink |
N |
Silene latifolia Poir.
|
White Campion, Evening Lychnis |
I |
Silene stellata (L.) Ait. f.
|
Starry Campion |
N |
Silene vulgaris (Moench) Garcke
|
Bladder Campion |
I |
Silphium asteriscus L.
|
Rosin Weed |
N |
Silphium asteriscus L. var. trifoliatum (L.) Clevinger
|
Whorled Rosin Weed |
N |
Sisymbrium altissimum Linnaeus
|
Tall Tumble Mustard |
I |
Sisymbrium officinale (Linnaeus) Scopoli
|
Hedge Mustard |
I |
Sisyrinchium angustifolium P. Mill.
|
Narrow-leaved Blue-eyed-grass |
N |
Sisyrinchium mucronatum Michx.
|
Needle-tip Blue-eyed-grass |
N |
Sitobolium punctilobulum (Michaux) Desvaux
|
Hay-scented Fern |
N |
Smallanthus uvedalia (L.) Mackenzie ex Small
|
Hairy Leafcup, Yellow-flowered Leafcup, Bear's-foot |
N |
Smilax bona-nox L. var. bona-nox
|
Catbrier, Fringed Greenbrier |
N |
Smilax herbacea L.
|
Carrion-flower, Common Carrion-flower, Smooth Carrion-flower |
N |
Smilax hispida Raf.
|
Bristly Greenbrier, Chinaroot |
N |
Smilax pulverulenta Michx.
|
Hairy Carrion-flower, Downy Carrion-flower |
N |
Smilax rotundifolia L.
|
Common Greenbrier, Bullbrier, Horsebrier |
N |
Solanum carolinense L. var. carolinense
|
Horse-nettle, Carolina Horse-nettle |
N |
Solanum dulcamara L.
|
Bittersweet, Climbing Nightshade |
I |
Solanum emulans Raf.
|
Eastern Black Nightshade |
N |
Solidago altissima L. var. altissima
|
Tall Goldenrod |
N |
Solidago arguta Ait.
|
Sharp-leaved Goldenrod, Cut-leaved Goldenrod |
N |
Solidago bicolor L.
|
Silverrod, White Goldenrod |
N |
Solidago caesia L. var. caesia
|
Blue-stemmed Goldenrod, Wreath Goldenrod |
N |
Solidago canadensis L. var. canadensis
|
Canada Goldenrod |
N |
Solidago canadensis L. var. hargeri Fern.
|
Harger's Goldenrod |
N |
Solidago curtisii Torr. & Gray
|
Curtis' Goldenrod |
N |
Solidago erecta Pursh
|
Erect Goldenrod, Slender Goldenrod |
N |
Solidago flexicaulis L.
|
Broad-Leaved Goldenrod, Zigzag Goldenrod |
N |
Solidago gigantea Ait.
|
Late Goldenrod |
N |
Solidago harrisii Steele
|
Shale Barren Goldenrod |
N |
Solidago hispida Muhl. ex Willd. var. hispida
|
Hairy Goldenrod |
N |
Solidago juncea Ait.
|
Early Goldenrod |
N |
Solidago nemoralis Ait. var. nemoralis
|
Gray Goldenrod |
N |
Solidago puberula Nutt.
|
Downy Goldenrod |
N |
Solidago randii (Porter) Britt.
|
Rand's Goldenrod |
N |
Solidago rigida L. var. rigida
|
Stiff Goldenrod |
N |
Solidago rugosa P. Mill.
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
Solidago squarrosa Nutt.
|
Stout Goldenrod |
N |
Solidago ulmifolia Muhl. ex Willd.
|
Elm-leaf Goldenrod |
N |
Sonchus arvensis L. var. glabrescens Guenth., Grab. & Wimmer
|
Field Sow Thistle |
I |
Sonchus asper (L.) Hill
|
Spiny-leaf Sow Thistle |
I |
Sonchus oleraceus L.
|
Common Sow Thistle |
I |
Sorbus americana Marsh.
|
American Mountain-ash |
N |
Sorghastrum nutans (L.) Nash
|
Indian Grass, Yellow Indian Grass |
N |
Sorghum halepense (L.) Pers.
|
Johnson Grass |
I |
Sparganium americanum Nutt.
|
American Bur-reed |
N |
Sphenopholis nitida (Biehler) Scribn.
|
Shiny Wedgegrass |
N |
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
|
Prairie Wedgegrass |
N |
Sphenopholis pensylvanica (L.) A.S. Hitchc.
|
Swamp Wedgegrass |
N |
Spiraea corymbosa Raf.
|
Dwarf Spiraea |
N |
Spiranthes cernua (L.) L.C. Rich.
|
Nodding Ladies'-tresses |
N |
Spiranthes lacera (Raf.) Raf. var. gracilis (Bigelow) Luer
|
Southern Slender Ladies'-tresses |
N |
Spiranthes lucida (H.H.Eat.) Ames
|
Shining Ladies'-tresses |
N |
Spiranthes ochroleuca (Rydb.) Rydb.
|
Yellow Nodding Ladies'-tresses |
N |
Spiranthes ovalis Lindl. var. erostellata Catling
|
Oval Ladies'-tresses, October Ladies'-tresses |
N |
Spirodela polyrrhiza (L.) Schleid.
|
Greater Duckweed, Duckmeal |
N |
Sporobolus clandestinus (Biehler) A.S. Hitchc.
|
Rough Dropseed |
N |
Sporobolus compositus (Poir.) Merr. var. compositus
|
Tall Dropseed, Longleaf Dropseed |
N |
Sporobolus vaginiflorus (Torr. ex Gray) Wood
|
Poverty Dropseed, Sheathed Dropseed |
N |
Stachys eplingii J. Nelson
|
Epling's Hedge-nettle |
N |
Stachys hyssopifolia Michx.
|
Hyssop-leaf Hedge-nettle, Hyssop Hedge-nettle |
N |
Staphylea trifolia L.
|
Bladdernut |
N |
Steironema ciliatum (L.) Baudo
|
Fringed Loosestrife |
N |
Stellaria graminea L.
|
Common Stitchwort, Lesser Stitchwort |
I |
Stellaria media (L.) Vill.
|
Common Chickweed |
I |
Stellaria pubera Michx.
|
Star Chickweed, Common Starwort, Giant Chickweed, Great Chickweed |
N |
Stuckenia pectinata (L.) Borner
|
Sago Pondweed |
N |
Stylosanthes biflora (L.) B.S.P.
|
Pencilflower |
N |
Swida alternifolia (L.f.) Small
|
Alternate-leaf Dogwood, Pagoda Cornel, Pagoda Dogwood |
N |
Swida amomum (P. Miller) Small
|
Silky Dogwood |
N |
Swida foemina (P. Miller) Rydberg
|
Stiff Dogwood, Swamp Dogwood |
N |
Swida racemosa (Lamarck) Moldenke
|
Gray Dogwood |
N |
Symphoricarpos orbiculatus Moench
|
Coralberry |
|
Symphyotrichum concinnum (Willd.) Mohlenbr.
|
Narrow-leaved Smooth Aster |
N |
Symphyotrichum cordifolium (L.) Nesom
|
Heart-leaved Aster, Blue Wood Aster |
N |
Symphyotrichum dumosum (L.) Nesom var. dumosum
|
Bushy Aster |
N |
Symphyotrichum laeve (L.) A. & D. Love
|
Smooth Blue Aster, Smooth Aster |
N |
Symphyotrichum lanceolatum (Willd.) Nesom
|
Panicled Aster, Eastern Lined Aster |
N |
Symphyotrichum lateriflorum (L.) A.& D. Love
|
Calico Aster, Starved Aster |
N |
Symphyotrichum novae-angliae (L.) Nesom
|
New England Aster |
N |
Symphyotrichum oblongifolium (Nutt.) Nesom
|
Aromatic Aster |
N |
Symphyotrichum patens (Ait.) Nesom var. patens
|
Late Purple Aster |
N |
Symphyotrichum phlogifolium (Muhl. ex Willd.) Nesom
|
Thin-leaf Late Purple Aster |
N |
Symphyotrichum pilosum (Willd.) Nesom
|
Frost Aster |
N |
Symphyotrichum pilosum (Willd.) Nesom var. pilosum
|
Frost Aster, White Old-field Aster, Awl Aster |
N |
Symphyotrichum prenanthoides (Muhl. ex Willd.) Nesom
|
Crooked-stem Aster |
N |
Symphyotrichum puniceum (L.) A.& D. Love var. puniceum
|
Purple-stem Aster |
N |
Symphyotrichum racemosum (Ell.) Nesom var. racemosum
|
Small White Aster |
N |
Symphyotrichum undulatum (L.) Nesom
|
Wavy-leaved Aster |
N |
Symplocarpus foetidus (L.) Salisbury ex W.P. C. Barton
|
Skunk Cabbage |
N |
Syringa vulgaris L.
|
Common Lilac |
I |
Taenidia integerrima (L.) Drude
|
Yellow Pimpernel |
N |
Taenidia montana (Mackenzie) Cronq.
|
Mountain Pimpernel |
N |
Tagetes patula L.
|
French Marigold |
I |
Taraxacum erythrospermum Andrzejowski ex Besser
|
Red-seeded Dandelion |
I |
Taraxacum officinale G.H. Weber ex Wiggers
|
Common Dandelion |
I |
Taxus canadensis Marshall
|
Canada Yew, American Yew |
N |
Tephrosia virginiana (L.) Pers.
|
Virginia Goat's-rue |
N |
Teucrium canadense L. var. canadense
|
Canada Germander, American Germander |
N |
Thalictrum amphibolum Greene
|
Skunk Meadow-rue |
N |
Thalictrum coriaceum (Britt.) Small
|
Appalachian Meadow-rue, Leatherleaf Meadow-rue, Maid of the Mist |
N |
Thalictrum dioicum L.
|
Early Meadow-rue |
N |
Thalictrum pubescens Pursh
|
Common Tall Meadow-rue |
N |
Thalictrum thalictroides (L.) Eames & Boivin
|
Rue-anemone |
N |
Thaspium barbinode (Michx.) Nutt.
|
Hairy-jointed Meadow Parsnip |
N |
Thaspium trifoliatum (L.) Gray
|
Meadow Parsnip, Purple Meadow Parsnip |
N |
Thlaspi arvense Linnaeus
|
Field Pennycress |
I |
Tilia americana L.
|
Basswood |
N |
Tilia americana L. var. heterophylla (Vent.) Loud.
|
White Basswood |
N |
Tipularia discolor (Pursh) Nutt
|
Cranefly Orchid |
N |
Torilis arvensis (Huds.) Link ssp. recta Jury
|
Spreading Hedge Parsley |
I |
Torilis japonica (Houtt.) DC.
|
Japanese Hedge Parsley |
I |
Toxicodendron pubescens P.Miller
|
Poison Oak |
N |
Toxicodendron radicans (L.) Kuntze var. radicans
|
Poison Ivy, Eastern Poison Ivy |
N |
Tradescantia virginiana L.
|
Virginia Spiderwort |
N |
Tragopogon dubius Scop.
|
Western Salsify, Yellow Salsify, Yellow Goat's-beard |
I |
Tragopogon porrifolius L.
|
Purple Salsify, Vegetable-oyster |
I |
Tragopogon pratensis L.
|
Meadow Salsify, Showy Goat's-beard |
I |
Trichophorum planifolium (Sprengel) Palla
|
Bashful Bulrush |
N |
Trichostema coeruleum (Michx.) K.S.McClell. & Weakley
|
False Pennyroyal |
N |
Trichostema dichotomum L.
|
Common Blue Curls, Forked Blue Curls |
N |
Trichostema setaceum Houtt.
|
Narrow-leaf Blue Curls |
N |
Tridens flavus (L.) A.S. Hitchc.
|
Purpletop, Tall Redtop |
N |
Trientalis borealis Raf.
|
Northern Starflower |
N |
Trifolium arvense L.
|
Rabbit-foot Clover |
I |
Trifolium campestre Schreb.
|
Low Hop Clover |
I |
Trifolium hybridum L.
|
Alsike Clover |
I |
Trifolium pratense L.
|
Red Clover |
I |
Trifolium repens L.
|
White Clover, Dutch Clover |
I |
Trifolium virginicum Small
|
Kates Mountain Clover |
N |
Trillium cernuum L.
|
Nodding Trillium |
N |
Trillium grandiflorum (Michx.) Salisb.
|
Large-flowered Trillium, Great White Trillium |
N |
Trillium sessile L.
|
Sessile Trillium, Toad Trillium, Toadshade |
N |
Triodanis perfoliata (L.) Nieuwl.
|
Venus' Looking-glass, Common Venus' Looking-glass |
N |
Triosteum angustifolium L.
|
Lesser Horse-gentian, Yellow Horse-gentian |
N |
Triosteum perfoliatum L.
|
Feverwort, Late Horse-gentian |
N |
Tripsacum dactyloides (L.) L. var. dactyloides
|
Eastern Gamagrass |
N |
Triticum aestivum L.
|
Wheat |
I |
Tsuga canadensis (L.) Carriere
|
Eastern Hemlock, Canada Hemlock |
N |
Tussilago farfara L.
|
Coltsfoot |
I |
Typha latifolia L.
|
Common Cattail, Broadleaf Cattail |
N |
Typha ×glauca Godron
|
Hybrid Cattail |
N |
Ulmus americana L.
|
American Elm |
N |
Ulmus pumila L.
|
Siberian Elm |
I |
Ulmus rubra Muhl.
|
Slippery Elm, Red Elm |
N |
Urtica dioica L.
|
European Stinging Nettle, Great Nettle |
I |
Urtica dioica L. + Urtica gracilis Ait. ssp. gracilis
|
Stinging Nettle |
|
Urtica gracilis Ait. ssp. gracilis
|
American Stinging Nettle |
N |
Uvularia perfoliata L.
|
Perfoliate Bellwort |
N |
Uvularia puberula Michx.
|
Mountain Bellwort, Common Bellwort |
N |
Uvularia sessilifolia L.
|
Sessile Bellwort, Wild-oats |
N |
Vaccinium angustifolium Ait.
|
Northern Lowbush Blueberry |
N |
Vaccinium pallidum Ait.
|
Early Lowbush Blueberry, Hillside Blueberry |
N |
Vaccinium stamineum L.
|
Deerberry |
N |
Valerianella locusta (L.) Latterade
|
European Corn-salad, Lamb's-lettuce |
I |
Vallisneria americana Michx.
|
Tapegrass, Water-celery |
N |
Veratrum viride Aiton
|
American False-hellebore, White Hellebore, Green Hellebore, Indian Poke |
N |
Verbascum blattaria L.
|
Moth Mullein |
I |
Verbascum phlomoides L.
|
Clasping Mullein, Orange Mullein |
I |
Verbascum thapsus L. ssp. thapsus
|
Common Mullein, Great Mullein Woolly Mullein, Flannel-plant, Velvet-plant |
I |
Verbena hastata L.
|
Blue Vervain, Common Vervain |
N |
Verbena simplex Lehm.
|
Narrow-leaf Vervain |
N |
Verbena urticifolia L.
|
White Vervain |
N |
Verbesina alternifolia (L.) Britt. ex Kearney
|
Wingstem |
N |
Verbesina occidentalis (L.) Walt.
|
Yellow Crownbeard |
N |
Vernonia glauca (L.) Willd.
|
Upland Ironweed, Broad-leaf Ironweed |
N |
Vernonia noveboracensis (L.) Michx.
|
New York Ironweed |
N |
Veronica agrestis L.
|
Field Speedwell |
I |
Veronica americana Schwein. ex Benth.
|
American Speedwell, Brooklime |
N |
Veronica anagallis-aquatica L.
|
Water Speedwell, Brook Pimpernel |
|
Veronica arvensis L.
|
Corn Speedwell, Wall Speedwell |
I |
Veronica hederifolia L.
|
Ivy-leaf Speedwell |
I |
Veronica officinalis L.
|
Common Speedwell |
|
Veronica peregrina L. var. peregrina
|
Common Purslane Speedwell |
N |
Veronica persica Poiret
|
Bird's-eye Speedwell |
I |
Veronica serpyllifolia L. var. serpyllifolia
|
Thyme-leaf Speedwell |
I |
Viburnum acerifolium L.
|
Maple-leaf Viburnum, Dockmackie |
N |
Viburnum dentatum complex
|
Arrow-wood |
N |
Viburnum prunifolium L.
|
Black Haw |
N |
Viburnum recognitum Fernald
|
Smooth Arrow-wood |
N |
Viburnum rhytidophyllum Hemsley
|
Leatherleaf Viburnum |
I |
Vicia caroliniana Walt.
|
Wood Vetch, Carolina Vetch |
N |
Vicia sativa L.
|
Narrow-leaf Vetch, Common Vetch |
I |
Vicia villosa Roth ssp. varia (Host) Corbiere
|
Smooth Vetch |
I |
Vinca minor L.
|
Periwinkle, Common Periwinkle |
I |
Viola affinis Le Conte
|
LeConte's Violet, Sand Violet |
N |
Viola canadensis L.
|
Canada Violet, Tall White Violet |
N |
Viola cucullata Ait.
|
Marsh Blue Violet |
N |
Viola eriocarpa Schwein.
|
Smooth Yellow Violet |
N |
Viola fimbriatula J.E. Smith
|
Northern Downy Violet |
N |
Viola hirsutula Brainerd
|
Southern Wood Violet |
N |
Viola lanceolata L.
|
Lance-leaved Violet, Narrow-leaved Violet |
N |
Viola monacanora J.L.Hastings & H.E.Ballard
|
Blue Ridge Violet |
N |
Viola palmata L. complex
|
Wood Violet |
N |
Viola palmata L. var. triloba (Schwein.) Gingins ex A. DC.
|
Northern Three-lobed Violet |
N |
Viola pedata L. ssp. pedata
|
Bird's-foot violet |
N |
Viola pubescens / eriocarpa complex
|
Yellow Violet |
N |
Viola pubescens Aiton
|
Downy Yellow Violet |
N |
Viola rafinesquii Greene
|
Field Pansy, Wild Pansy |
N |
Viola sagittata Aiton
|
Arrow-leaved Violet |
N |
Viola septentrionalis Greene
|
Northern Blue Violet, Woodland Blue Violet |
N |
Viola sororia Willd.
|
Common Blue Violet |
N |
Viola stoneana House
|
Stone's Violet |
N |
Viola striata Ait.
|
Striped Violet, Cream Violet |
N |
Viola subsinuata Greene
|
Lobed Violet, Lobed Blue Violet, Wavy-leaved Violet |
N |
Vitis aestivalis Michx.
|
Summer Grape, Silverleaf Grape |
N |
Vitis labrusca L.
|
Fox Grape |
N |
Vitis riparia Michx.
|
Riverbank Grape |
N |
Vitis vulpina L.
|
Winter Grape, Frost Grape, Chicken Grape |
N |
Wisteria frutescens (L.) Poir. var. macrostachya Torr. & A. Gray
|
Mississippi Wisteria |
I |
Wisteria sinensis (Sims) Sweet
|
Chinese Wisteria |
I |
Woodsia ilvensis (L.) R. Br.
|
Rusty Woodsia, Rusty Cliff Fern |
N |
Woodsia obtusa (Spreng.) Torr. ssp. obtusa
|
Blunt-lobed Woodsia, Blunt-lobed Cliff Fern |
N |
Xanthium spinosum L.
|
Spiny Cocklebur |
I |
Xanthium strumarium L.
|
Common Cocklebur |
N |
Yucca filamentosa L.
|
Common Yucca, Adam's Needle |
N |
Zannichellia palustris L.
|
Horned Pondweed |
N |
Zanthoxylum americanum P. Mill.
|
Toothache Tree, Northern Prickly-ash, Common Prickly-ash |
N |
Zizia aptera (Gray) Fern.
|
Heart-leaf Golden-alexanders |
N |
Zizia aurea (L.) W.D.J. Koch
|
Golden-alexanders, Common Golden-alexanders |
N |