Queen name family comname origin scpage numbercos Abies balsamea Pinaceae BALSAM FIR, BLISTER PINE N 44 4 Abies fraseri Pinaceae FRASER FIR I 44 1 Abutilon theophrasti Malvaceae INDIAN MALLOW, VELVETLEAF E 634 27 Acalypha gracilens var. gracilens Euphorbiaceae SLENDER THREE‐SEEDED MERCURY N 596 13 Acalypha ostryifolia Euphorbiaceae ROUGH‐POD COPPERLEAF N 0 2 Acalypha rhomboidea Euphorbiaceae COMMON THREE‐SEEDED MERCURY N 596 47 Acalypha virginica Euphorbiaceae VIRGINIA THREE‐SEEDED MERCURY N 596 21 Acer campestre Aceraceae HEDGE MAPLE E 0 2 Acer ginnala Aceraceae AMUR MAPLE E 0 4 Acer negundo var. negundo Aceraceae BOXELDER N 618 46 Acer nigrum Aceraceae BLACK SUGAR MAPLE N 618 34 Acer pensylvanicum Aceraceae STRIPED MAPLE, MOOSEWOOD N 616 27 Acer platanoides Aceraceae NORWAY MAPLE E 616 27 Acer rubrum var. rubrum Aceraceae RED MAPLE, SOFT MAPLE N 618 49 Acer rubrum var. trilobum Aceraceae RED MAPLE N 618 14 Acer saccharinum Aceraceae SILVER MAPLE, RIVER MAPLE N 618 38 X Acer saccharum var. saccharum Aceraceae SUGAR MAPLE, HARD MAPLE N 616 52 Acer spicatum Aceraceae MOUNTAIN MAPLE, ELKWOOD N 616 25 X Achillea millefolium var. occidentalis Asteraceae COMMON YARROW E 998 54 Achillea ptarmica Asteraceae SNEEZEWEED E 998 1 Achyranthes japonica var. hachijoensis Amaranthaceae JAPANESE CHAFF‐FLOWER E 0 1 Acinos arvensis Lamiaceae MOTHER‐OF‐THYME, BASIL‐THYME E 816 4 Aconitum reclinatum Ranunculaceae WHITE MONKSHOOD N 398 7 Aconitum uncinatum ssp. muticum Ranunculaceae BLUE MONKSHOOD N 398 9 Aconitum uncinatum ssp. uncinatum Ranunculaceae BLUE MONKSHOOD N 398 8 Acorus calamus Acoraceae CALAMUS, SWEET FLAG N 206 34 sp? Actaea pachypoda Ranunculaceae WHITE BANEBERRY, DOLL'S EYES N 400 23 sp? Actaea podocarpa Ranunculaceae MOUNTAIN BUGBANE N 400 11 sp? Actaea racemosa var. racemosa Ranunculaceae BLACK SNAKEROOT, BLACK COHOSH, RATTLETOP N 400 39 Adiantum pedatum Adiantaceae MAIDENHAIR FERN N 40 53 Adlumia fungosa Fumariaceae CLIMBING FUMITORY, ALLEGHENY VINE N 414 10 Aegilops cylindrica Poaceae JOINTED GOAT‐GRASS E 0 1 Aegopodium podagraria Apiaceae GOUTWEED E 692 11 Aesculus flava Hippocastanaceae YELLOW BUCKEYE, SWEET BUCKEYE N 620 37 Aesculus glabra var. glabra Hippocastanaceae OHIO BUCKEYE, FETID BUCKEYE, SMOOTH BUCKEYE N 620 9 Aesculus hippocastanum Hippocastanaceae HORSE‐CHESTNUT E 620 6 Aesculus pavia var. pavia Hippocastanaceae RED BUCKEYE I 620 2 Aethusa cynapium Apiaceae FOOL'S PARSLEY E 692 1 Agalinis auriculata Scrophulariaceae EAR‐LEAF FALSE FOXGLOVE N 860 2 Agalinis purpurea Scrophulariaceae PURPLE GERARDIA N 860 11 Agalinis tenuifolia var. tenuifolia Scrophulariaceae SLENDER GERARDIA N 860 25 Agastache nepetoides Lamiaceae YELLOW GIANT‐HYSSOP N 798 21 Agastache scrophulariifolia Lamiaceae PURPLE GIANT‐HYSSOP N 800 14 X Ageratina altissima var. altissima Asteraceae WHITE SNAKEROOT N 920 52 Ageratina aromatica var. aromatica Asteraceae SMALL WHITE SNAKEROOT N 922 5 Agrimonia gryposepala Rosaceae TALL AGRIMONY N 528 23 Agrimonia microcarpa Rosaceae SMALL FRUITED AGRIMONY N 530 4 Agrimonia parviflora Rosaceae SMALLFLOWERED AGRIMONY N 528 43 Agrimonia pubescens Rosaceae SOFT AGRIMONY N 530 30 Agrimonia rostellata Rosaceae WOODLAND AGRIMONY N 528 14 Agrimonia striata Rosaceae STRIATE AGRIMONY N 528 10 Agrostemma githago Caryophyllaceae CORN COCKLE E 368 24 Agrostis canina Poaceae VELVET BENT GRASS E 110 2 Agrostis capillaris Poaceae COLONIAL BENT GRASS E 110 14 Agrostis gigantea Poaceae REDTOP E 110 49 Agrostis hyemalis Poaceae HAIRGRASS, FLY‐AWAY GRASS N 110 20 Agrostis mertensii Poaceae BENT GRASS N 112 4 Agrostis perennans Poaceae AUTUMN BENT GRASS, THIN GRASS N 110 37 Agrostis scabra Poaceae VELVET BENT GRASS N 110 18 X Agrostis stolonifera Poaceae CREEPING BENT GRASS I 110 9 Ailanthus altissima Simaroubaceae TREE OF HEAVEN E 590 38 Ajuga genevensis Lamiaceae BUGLEWEED, BLUE BUGLE E 794 1 Ajuga reptans Lamiaceae BLUE BUGLE E 794 13 Akebia quinata Lardizabalaceae FIVELEAF AKEBIA E 404 4 Albizia julibrissin Fabaceae MIMOSA, SILK‐TREE E 544 23 Alcea rosea Malvaceae HOLLYHOCK E 634 6 Aletris farinosa Liliaceae COLICROOT, STARGRASS N 246 8 Alisma subcordatum Alismataceae COMMON WATER PLANTAIN N 60 34 Alliaria petiolata Brassicaceae GARLIC MUSTARD E 428 42 Allium allegheniense Liliaceae ALLEGHENY WILD ONION N 232 8 Allium ampeloprasum var. ampeloprasum Liliaceae WILD LEEK E 0 1 Allium burdickii Liliaceae RAMP, NARROW‐LEAF WILD LEEK N 0 3 Allium canadense var. canadense Liliaceae MEADOW GARLIC N 232 30 Allium cernuum var. cernuum Liliaceae WILD ONION N 230 29 Allium oxyphilum Liliaceae NODDING WILD ONION N 230 4 Allium sativum Liliaceae GARLIC E 230 4 Allium schoenoprasum Liliaceae WILD CHIVES E 0 1 Allium tricoccum Liliaceae RAMP, WILD LEEK N 230 23 Allium vineale ssp. vineale Liliaceae WILD GARLIC, CROW GARLIC E 232 40 Alnus glutinosa Betulaceae BLACK ALDER E 0 8 Alnus incana ssp. rugosa Betulaceae SPECKLED ALDER, HOARY ALDER N 296 12 X Alnus serrulata Betulaceae STREAMSIDE ALDER, SMOOTH ALDER, BROOKSIDE ALDN 296 36 Alopecurus aequalis var. aequalis Poaceae SHORT‐AWN FOXTAIL, SHORT‐AWN MEADOW‐FOXTAI N 0 5 Alopecurus carolinianus Poaceae CAROLINA FOXTAIL N 108 1 Alopecurus geniculatus var. geniculatus Poaceae MARSH MEADOW‐FOXTAIL E 0 1 Alopecurus myosuroides Poaceae FOXTAIL E 108 3 Alopecurus pratensis Poaceae MEADOW FOXTAIL E 108 4 Alyssum alyssoides Brassicaceae YELLOW ALYSSUM E 422 9 Amaranthus albus Amaranthaceae TUMBLEWEED I 350 7 Amaranthus blitoides Amaranthaceae AMARANTH A 350 2 Amaranthus blitum Amaranthaceae PURPLE AMARANTH E 0 1 Amaranthus cruentus Amaranthaceae PURPLE AMARANTH E 348 1 Amaranthus hybridus Amaranthaceae COMMON PIGWEED N 348 29 Amaranthus palmeri Amaranthaceae CARELESS WEED A 348 3 Amaranthus powellii Amaranthaceae AMARANTH I 348 4 Amaranthus retroflexus Amaranthaceae PIGWEED I 350 6 Amaranthus rudis Amaranthaceae WATER‐HEMP A 350 3 Amaranthus spinosus Amaranthaceae SPINY AMARANTH E 350 21 Amaranthus tuberculatus Amaranthaceae AMARANTH A 0 9 Ambrosia artemisiifolia var. elatior Asteraceae COMMON RAGWEED N 966 51 Ambrosia bidentata Asteraceae LANCE‐LEAVED RAGWEED A 964 2 Ambrosia trifida var. trifida Asteraceae GIANT RAGWEED, HOG‐WEED N 964 48 Amelanchier arborea var. arborea Rosaceae COMMON SERVICEBERRY N 472 55 Amelanchier bartramiana Rosaceae OBLONG‐FRUITED SERVICEBERRY N 472 4 Amelanchier laevis Rosaceae SMOOTH SERVICEBERRY, JUNEBERRY N 472 14 Amelanchier sanguinea var. sanguinea Rosaceae ROUNDLEAF SERVICEBERRY N 470 11 Amelanchier stolonifera Rosaceae LOW SERVICEBERRY N 470 18 Amelanchier ×neglecta Rosaceae SERVICEBERRY N 0 1 Amianthium muscitoxicum Liliaceae FLY POISON N 224 7 Ammannia coccinea Lythraceae SCARLET AMMANNIA A 0 6 Amorpha fruticosa Fabaceae FALSE INDIGO N 554 15 Ampelopsis arborea Vitaceae PEPPER‐VINE I 626 1 Ampelopsis brevipedunculata Vitaceae PORCELAIN BERRY E 0 5 Ampelopsis cordata Vitaceae RACCOON‐GRAPE N 626 4 Amphicarpaea bracteata Fabaceae HOG‐PEANUT N 574 47 Anagallis arvensis Primulaceae COMMON PIMPERNEL, POOR MAN'S WEATHER‐GLASS E 734 16 Anagallis minima Primulaceae FALSE PIMPERNEL N 736 1 Anaphalis margaritacea Asteraceae PEARLY EVERLASTING N 962 13 Anchusa arvensis Boraginaceae SMALL BUGLOSS E 0 1 Andromeda polifolia var. glaucophylla Ericaceae BOG ROSEMARY N 714 1 sp? Andropogon gerardii Poaceae BIG BLUESTEM, TURKEYFOOT N 74 27 sp? Andropogon glomeratus var. glomeratus Poaceae BROOMSEDGE, BUSHY BEARDGRASS N 74 13 sp? Andropogon gyrans var. gyrans Poaceae ELLIOTT'S BEARDGRASS N 74 6 sp? Andropogon virginicus var. virginicus Poaceae BROOMSEDGE N 74 36 Anemone canadensis Ranunculaceae CANADA ANEMONE N 390 5 Anemone lancifolia Ranunculaceae MOUNTAIN ANEMONE, LANCE‐LEAVED ANEMONE N 390 11 Anemone quinquefolia var. minima Ranunculaceae DWARF ANEMONE N 392 7 Anemone quinquefolia var. quinquefolia Ranunculaceae WOOD ANEMONE, WIND FLOWER N 392 30 Anemone virginiana var. virginiana Ranunculaceae THIMBLEWEED N 390 51 Anethum graveolens Apiaceae DILL E 694 5 Angelica atropurpurea Apiaceae PURPLE ANGELICA N 696 9 Angelica triquinata Apiaceae FILMY ANGELICA N 696 10 Angelica venenosa Apiaceae HAIRY ANGELICA N 696 35 Anoda cristata Malvaceae CRESTED ANODA A 0 1 Antennaria howellii ssp. neodioica Asteraceae FIELD PUSSYTOES N 960 9 Antennaria howellii ssp. petaloidea Asteraceae FIELD PUSSYTOES N 960 4 Antennaria neglecta Asteraceae FIELD PUSSYTOES N 960 13 Antennaria parlinii ssp. fallax Asteraceae PLANTAINLEAF EVERLASTING N 960 14 Antennaria parlinii ssp. parlinii Asteraceae PLANTAINLEAF EVERLASTING N 960 35 Antennaria plantaginifolia Asteraceae PLANTAINLEAF EVERLASTING, PUSSYTOES N 960 24 Antennaria solitaria Asteraceae SINGLE‐HEADED PUSSYTOES N 961 24 Antennaria virginica Asteraceae SHALEBARREN PUSSYTOES N 960 15 Anthemis arvensis Asteraceae FIELD CHAMOMILE E 998 26 Anthemis cotula Asteraceae STINKING CHAMOMILE, DOG FENNEL, MAYWEED E 998 35 Anthemis tinctoria Asteraceae YELLOW CHAMOMILE E 998 2 Anthoxanthum aristatum Poaceae SWEET VERNAL GRASS E 100 3 Anthoxanthum odoratum ssp. odoratum Poaceae SWEET VERNAL GRASS E 100 33 Anthriscus caucalis Apiaceae CHERVIL E 686 1 Antirrhinum majus Scrophulariaceae GARDEN SNAPDRAGON E 0 1 Aphanes microcarpa Rosaceae SLENDER PARSLEY‐PIERT E 0 1 X Apios americana Fabaceae GROUNDNUT, WILD BEAN N 572 35 Apium graveolens var. dulce Apiaceae CELERY E 688 1 Aplectrum hyemale Orchidaceae PUTTYROOT, ADAM‐AND‐EVE N 272 49 Apocynum androsaemifolium Apocynaceae SPREADING DOGBANE N 750 27 Apocynum cannabinum Apocynaceae INDIAN HEMP N 752 53 Apocynum ×floribundum Apocynaceae INTERMEDIATE DOGBANE N 752 15 Aquilegia canadensis Ranunculaceae WILD COLUMBINE N 396 37 Aquilegia vulgaris Ranunculaceae EUROPEAN COLUMBINE E 0 9 Arabidopsis thaliana Brassicaceae MOUSE‐EAR CRESS E 430 31 Arabis canadensis Brassicaceae SICKLEPOD N 440 23 Arabis glabra Brassicaceae TOWER MUSTARD N 439 22 Arabis hirsuta var. pycnocarpa Brassicaceae HAIRY ROCKCRESS N 439 8 Arabis laevigata var. burkii Brassicaceae SMOOTH ROCKCRESS N 439 6 Arabis laevigata var. laevigata Brassicaceae SMOOTH ROCKCRESS N 439 46 Arabis lyrata Brassicaceae LYRELEAF ROCKCRESS N 439 13 Arabis patens Brassicaceae SPREADING ROCKCRESS N 439 7 Arabis serotina Brassicaceae SHALE BARREN ROCKCRESS N 439 4 Arabis shortii Brassicaceae ROCKCRESS N 1046 3 Aralia hispida Araliaceae BRISTLY SARSAPARILLA N 680 8 Aralia nudicaulis Araliaceae WILD SARSAPARILLA N 680 28 Aralia racemosa ssp. racemosa Araliaceae AMERICAN SPIKENARD N 680 36 Aralia spinosa Araliaceae HERCULES' CLUB, DEVIL'S WALKING STICK N 680 34 Arctium minus Asteraceae COMMON BURDOCK E 1006 41 Arenaria serpyllifolia Caryophyllaceae THYMELEAF SANDWORT N 362 32 Arisaema dracontium Araceae GREEN DRAGON N 206 28 var? Arisaema triphyllum ssp. pusillum Araceae SMALL JACK‐IN‐THE‐PULPIT N 204 1 var? Arisaema triphyllum ssp. quinatum Araceae SOUTHERN JACK‐IN‐THE‐PULPIT N 204 3 var? Arisaema triphyllum ssp. stewardsonii Araceae BOG JACK‐IN‐THE‐PULPIT, INDIAN TURNIP, JACK‐IN‐TH N 206 13 var? Arisaema triphyllum ssp. triphyllum Araceae COMMON JACK‐IN‐THE‐PULPIT, JACK‐IN‐THE‐PULPIT N 204 45 Aristida dichotoma var. curtissii Poaceae THREE‐AWN GRASS N 104 11 Aristida dichotoma var. dichotoma Poaceae THREE‐AWN GRASS N 104 20 Aristida lanosa Poaceae WOOLY THREE‐AWN GRASS N 104 1 Aristida longispica Poaceae THREE‐AWN GRASS N 104 7 Aristida oligantha Poaceae PRAIRIE THREE‐AWN GRASS N 104 14 Aristida purpurascens var. purpurascens Poaceae PURPLE THREE‐AWN GRASS N 104 3 Aristolochia macrophylla Aristolochiaceae DUTCHMAN'S PIPE, PIPEVINE N 324 28 Aristolochia serpentaria Aristolochiaceae VIRGINIA SNAKEROOT N 324 23 Armoracia rusticana Brassicaceae HORSERADISH E 434 9 Arnoglossum atriplicifolium Asteraceae PALE INDIAN PLANTAIN N 1002 38 Arnoglossum muehlenbergii Asteraceae GREAT INDIAN PLANTAIN N 1002 10 Arrhenatherum elatius var. bulbosum Poaceae BULBOUS TALL OAT‐GRASS E 118 6 Arrhenatherum elatius var. elatius Poaceae TALL OAT‐GRASS E 118 28 Artemisia annua Asteraceae ANNUAL WORMWOOD E 1000 17 Artemisia biennis var. biennis Asteraceae BIENNIAL WORMWOOD A 1000 2 Artemisia pontica Asteraceae ROMAN WORMWOOD E 0 1 Artemisia stelleriana Asteraceae BEACH WORMWOOD I 0 1 Artemisia vulgaris var. vulgaris Asteraceae COMMON MUGWORT E 1000 27 Arthraxon hispidus Poaceae JOINTED GRASS E 1043 42 Aruncus dioicus Rosaceae GOATSBEARD N 466 42 Arundinaria gigantea ssp. gigantea Poaceae GIANT CANE N 150 12 Arundo donax Poaceae GIANT REED E 0 4 Asarum canadense Aristolochiaceae WILD GINGER N 322 52 Asclepias amplexicaulis Asclepiadaceae CLASPING MILKWEED N 756 5 Asclepias exaltata Asclepiadaceae POKE MILKWEED N 754 30 Asclepias hirtella Asclepiadaceae GREEN MILKWEED N 756 7 Asclepias incarnata ssp. pulchra Asclepiadaceae SWAMP MILKWEED N 754 37 Asclepias purpurascens Asclepiadaceae PURPLE MILKWEED N 754 24 Asclepias quadrifolia Asclepiadaceae FOUR‐LEAVED MILKWEED N 754 40 X Asclepias syriaca Asclepiadaceae COMMON MILKWEED N 756 43 Asclepias tuberosa ssp. interior Asclepiadaceae BUTTERFLY WEED N 754 18 Asclepias tuberosa ssp. tuberosa Asclepiadaceae BUTTERFLY WEED, PLEURISY‐ROOT N 754 39 Asclepias variegata Asclepiadaceae WHITE MILKWEED N 756 18 Asclepias verticillata Asclepiadaceae WHORLED MILKWEED N 756 11 Asclepias viridiflora Asclepiadaceae GREEN‐FLOWERED MILKWEED N 756 7 Asclepias viridis Asclepiadaceae GREEN MILKWEED, ANTELOPE‐HORN N 756 3 Asimina triloba Annonaceae PAWPAW, WEST VIRGINIA BANANA N 410 52 Asparagus officinalis Liliaceae GARDEN ASPARAGUS E 240 27 Asperula arvensis Rubiaceae WOODRUFF E 879 1 Asplenium bradleyi Aspleniaceae BRADLEY'S SPLEENWORT, STOTLER'S SPLEENWORT N 36 5 Asplenium montanum Aspleniaceae MOUNTAIN SPLEENWORT N 34 24 Asplenium pinnatifidum Aspleniaceae PINNATIFID SPLEENWORT N 34 24 Asplenium platyneuron Aspleniaceae EBONY SPLEENWORT N 34 54 Asplenium resiliens Aspleniaceae BLACK‐STEM SPLEENWORT N 34 11 Asplenium rhizophyllum Aspleniaceae WALKING FERN N 32 48 Asplenium ruta‐muraria var. cryptolepis Aspleniaceae RUE SPLEENWORT, AMERICAN WALLRUE N 34 7 Asplenium septentrionale Aspleniaceae FORKED SPLEENWORT N 1043 2 Asplenium trichomanes ssp. trichomanes Aspleniaceae MAIDENHAIR SPLEENWORT N 34 31 Asplenium ×alternifolium Aspleniaceae SPLEENWORT N 0 1 Asplenium ×ebenoides Aspleniaceae WALKING SPLEENWORT N 36 2 Asplenium ×trudellii Aspleniaceae TRUDELL'S SPLEENWORT N 34 9 Aster tataricus Asteraceae TATARIAN ASTER E 952 3 Astilbe biternata Saxifragaceae FALSE GOAT'S‐BEARD N 446 1 Astragalus canadensis var. canadensis Fabaceae MILKVETCH N 556 15 Astragalus distortus var. distortus Fabaceae BENT MILKVETCH N 556 4 Astragalus neglectus Fabaceae COOPER'S MILKVETCH N 0 1 Astranthium integrifolium ssp. integrifolium Asteraceae DAISY A 0 2 Athyrium filix‐femina var. angustum Dryopteridaceae NORTHEASTERN LADY FERN N 30 18 Athyrium filix‐femina var. asplenioides Dryopteridaceae SOUTHERN LADY FERN N 30 39 Atriplex patula Chenopodiaceae ORACH N 346 9 Atriplex prostrata Chenopodiaceae ORACH N 346 8 Aureolaria flava var. flava Scrophulariaceae SMOOTH YELLOW FOXGLOVE N 860 18 Aureolaria flava var. macrantha Scrophulariaceae SMOOTH YELLOW FOXGLOVE N 860 4 Aureolaria laevigata Scrophulariaceae ENTIRE‐LEAVED YELLOW FOXGLOVE N 860 34 Aureolaria pedicularia var. intercedens Scrophulariaceae FERN‐LEAVED YELLOW FOXGLOVE N 860 12 Aureolaria pedicularia var. pedicularia Scrophulariaceae FERN‐LEAVED YELLOW FOXGLOVE N 860 4 Aureolaria virginica Scrophulariaceae DOWNY YELLOW FOXGLOVE N 860 27 Avena fatua Poaceae WILD OATS E 0 3 Avena sativa Poaceae OATS E 0 7 Azolla caroliniana Azollaceae CAROLINA MOSQUITO FERN I 0 3 Baptisia australis var. australis Fabaceae FALSE BLUE INDIGO N 544 11 Baptisia tinctoria Fabaceae WILD INDIGO N 544 28 Barbarea verna Brassicaceae SPRING CRESS E 434 22 Barbarea vulgaris Brassicaceae WINTER CRESS, YELLOW ROCKET E 434 49 Bartonia virginica Gentianaceae YELLOW BARTONIA N 748 12 Bassia scoparia Chenopodiaceae SUMMER‐CYPRESS E 0 6 Belamcanda chinensis Iridaceae BLACKBERRY LILY E 252 7 Bellis perennis Asteraceae ENGLISH DAISY E 942 15 sp? Berberis canadensis Berberidaceae AMERICAN BARBERRY N 404 5 sp? Berberis thunbergii Berberidaceae JAPANESE BARBERRY E 404 30 sp? Berberis vulgaris Berberidaceae COMMON BARBERRY E 404 5 Berteroa incana Brassicaceae HOARY ALYSSUM E 422 6 Beta vulgaris Chenopodiaceae SEA BEET E 0 1 ? Betula alleghaniensis var. alleghaniensis Betulaceae YELLOW BIRCH N 296 15 ? Betula lenta Betulaceae BLACK BIRCH, SWEET BIRCH, CHERRY BIRCH N 294 43 ? Betula nigra Betulaceae RIVER BIRCH, RED BIRCH N 296 30 ? Betula papyrifera var. papyrifera Betulaceae PAPER BIRCH, WHITE BIRCH N 296 8 ? Betula pendula Betulaceae EUROPEAN WEEPING BIRCH E 0 2 ? Betula populifolia Betulaceae GRAY BIRCH A 0 3 ? Betula pubescens ssp. pubescens Betulaceae EUROPEAN WHITE BIRCH, DOWNY BIRCH E 0 4 Bidens aristosa Asteraceae TICKSEED‐SUNFLOWER A 992 35 Bidens bipinnata Asteraceae SPANISH NEEDLES N 994 33 Bidens cernua Asteraceae BUR‐MARIGOLD N 990 28 Bidens connata Asteraceae PURPLE‐STEM BEGGAR‐TICKS N 0 2 Bidens coronata Asteraceae TICKSEED‐SUNFLOWER N 994 4 Bidens discoidea Asteraceae FEW‐BRACTED BEGGAR‐TICKS A 992 2 X Bidens frondosa Asteraceae DEVIL'S BEGGAR‐TICKS N 992 41 Bidens laevis Asteraceae SHOWY BUR‐MARIGOLD N 990 11 Bidens tripartita Asteraceae TICKSEED, BEGGAR‐TICKS N 992 34 Bidens vulgata Asteraceae COMMON BEGGAR‐TICKS N 992 30 Bignonia capreolata Bignoniaceae CROSSVINE N 866 12 Blephilia ciliata Lamiaceae DOWNY WOODMINT N 814 16 Blephilia hirsuta var. hirsuta Lamiaceae HAIRY WOODMINT N 814 19 Blephilia subnuda Lamiaceae CUMBERLAND PAGODA‐PLANT N 0 1 X Boehmeria cylindrica Urticaceae FALSE NETTLE N 318 45 Borago officinalis Boraginaceae BORAGE E 0 1 Botrychium biternatum Ophioglossaceae SPARSE‐LOBE GRAPEFERN N 0 2 Botrychium dissectum Ophioglossaceae CUTLEAF GRAPEFERN N 10 47 Botrychium lanceolatum var. angustisegmentum Ophioglossaceae LANCEOLATE GRAPEFERN N 10 6 Botrychium matricariifolium Ophioglossaceae DAISY‐LEAVED GRAPEFERN N 10 9 Botrychium multifidum Ophioglossaceae LEATHERY GRAPEFERN N 0 6 Botrychium oneidense Ophioglossaceae BLUNTLOBE GRAPEFERN N 10 22 Botrychium virginianum Ophioglossaceae RATTLESNAKE FERN N 10 51 Bouteloua curtipendula var. curtipendula Poaceae SIDE‐OATS GRAMA N 120 7 Boykinia aconitifolia Saxifragaceae ACONITE SAXIFRAGE N 448 7 Brachyelytrum erectum Poaceae BEARDED SHORTHUSK N 108 29 Brachyelytrum septentrionale Poaceae NORTHERN SHORTHUSK E 0 12 Brasenia schreberi Cabombaceae WATERSHIELD A 376 13 X Brassica juncea Brassicaceae INDIAN MUSTARD N 426 11 Brassica napus Brassicaceae TURNIP E 428 15 Brassica nigra Brassicaceae BLACK MUSTARD E 426 24 Brassica rapa var. rapa Brassicaceae BIRD'S RAPE E 426 31 Brickellia eupatorioides var. eupatorioides Asteraceae FALSE BONESET N 922 14 sp? Bromus ciliatus var. ciliatus Poaceae FRINGED BROMEGRASS N 142 11 sp? Bromus commutatus Poaceae HAIRY CHESS E 142 44 sp? Bromus erectus Poaceae ERECT BROMEGRASS E 142 5 sp? Bromus inermis ssp. inermis var. inermis Poaceae SMOOTH BROMEGRASS E 142 26 sp? Bromus japonicus Poaceae JAPANESE BROMEGRASS E 142 30 sp? Bromus kalmii Poaceae CANADA BROMEGRASS N 142 38 sp? Bromus latiglumis Poaceae BROMEGRASS N 142 11 sp? Bromus nottowayanus Poaceae NOTTOWAY VALLEY BROME A 0 1 sp? Bromus pubescens Poaceae HAIRY WOODLAND BROME N 0 7 sp? Bromus secalinus Poaceae CHESS, CHEAT E 140 16 sp? Bromus sterilis Poaceae BARREN BROMEGRASS E 142 13 sp? Bromus tectorum Poaceae DOWNY CHESS E 142 22 Broussonetia papyrifera Moraceae PAPER MULBERRY E 312 16 Buddleja davidii Buddlejaceae BUTTERFLY‐BUSH E 742 3 Buglossoides arvensis Boraginaceae CORN GROMWELL E 780 23 Bulbostylis capillaris ssp. capillaris Cyperaceae DENSE‐TUFT HAIR SEDGE N 160 15 Bupleurum rotundifolium Apiaceae THOROUGHWAX E 688 3 Buxus microphylla Buxaceae BOXWOOD E 0 1 Buxus sempervirens Buxaceae COMMON BOX E 0 3 Calamagrostis canadensis var. canadensis Poaceae REEDGRASS, BLUEJOINT N 114 14 Calamagrostis coarctata Poaceae REEDGRASS N 114 12 Calamagrostis porteri ssp. porteri Poaceae REEDGRASS N 114 6 Calamagrostis stricta Poaceae REEDGRASS N 1043 3 Callitriche heterophylla ssp. heterophylla Callitrichaceae LARGER WATER STARWORT N 604 18 Callitriche palustris Callitrichaceae VERNAL WATER STARWORT N 604 11 Callitriche terrestris Callitrichaceae AUSTIN'S WATER STARWORT N 604 9 Calluna vulgaris Ericaceae HEATHER, LING E 718 2 Calopogon tuberosus var. tuberosus Orchidaceae CALOPOGON, GRASS PINK N 264 7 Caltha palustris var. palustris Ranunculaceae MARSH MARIGOLD N 394 14 Calycanthus floridus var. floridus Calycanthaceae CAROLINA ALLSPICE, STRAWBERRY‐SHRUB, SWEET‐SCEI 408 7 Calycanthus floridus var. glaucus Calycanthaceae CAROLINA ALLSPICE, STRAWBERRY‐SHRUB N 408 7 Calystegia catesbeiana Convolvulaceae CATESBY'S FALSE BINDWEED A 0 2 Calystegia pellita Convolvulaceae JAPANESE BINDWEED, CALIFORNIA‐ROSE E 0 1 Calystegia sepium ssp. americana Convolvulaceae HEDGE BINDWEED N 0 13 Calystegia sepium ssp. angulata Convolvulaceae HEDGE BINDWEED N 762 10 Calystegia sepium ssp. appalachiana Convolvulaceae HEDGE BINDWEED N 0 29 Calystegia sepium ssp. limnophila Convolvulaceae HEDGE BINDWEED N 0 6 Calystegia sepium ssp. sepium Convolvulaceae HEDGE BINDWEED E 762 24 Calystegia silvatica ssp. fraterniflora Convolvulaceae HEDGE BINDWEED N 762 8 Calystegia spithamaea ssp. purshiana Convolvulaceae SHALE BINDWEED N 762 9 Calystegia spithamaea ssp. spithamaea Convolvulaceae LOW BINDWEED, UPRIGHT BINDWEED N 762 15 Camassia scilloides Liliaceae WILD HYACINTH N 236 9 Camelina microcarpa Brassicaceae SMALL‐FRUITED FALSE‐FLAX E 424 11 Camelina sativa ssp. sativa Brassicaceae FALSE‐FLAX E 424 2 Campanula aparinoides Campanulaceae MARSH BELLFLOWER N 908 9 Campanula divaricata Campanulaceae SOUTHERN BELLFLOWER N 908 13 Campanula rapunculoides Campanulaceae EUROPEAN BELLFLOWER E 906 8 Campanula rotundifolia Campanulaceae BLUEBELL, BLUEBELLS OF SCOTLAND, HAREBELL N 908 6 Campanulastrum americanum Campanulaceae TALL BELLFLOWER N 908 45 Campsis radicans Bignoniaceae TRUMPET‐CREEPER N 866 32 Cannabis sativa ssp. sativa var. sativa Cannabaceae HEMP, MARIJUANA E 314 9 Capsella bursa‐pastoris Brassicaceae SHEPHERD'S PURSE E 424 35 Cardamine angustata Brassicaceae SLENDER TOOTHWORT N 436 37 Cardamine bulbosa Brassicaceae BULBOUS CRESS N 436 26 Cardamine concatenata Brassicaceae CUTLEAF TOOTHWORT N 436 52 Cardamine diphylla Brassicaceae TWO‐LEAVED TOOTHWORT N 436 45 Cardamine douglassii Brassicaceae PURPLE CRESS N 438 10 Cardamine flagellifera var. flagellifera Brassicaceae BITTERCRESS N 438 3 Cardamine flexuosa Brassicaceae WOODLAND BITTERCRESS E 0 5 Cardamine hirsuta Brassicaceae HAIRY BITTERCRESS N 438 46 Cardamine impatiens Brassicaceae BITTERCRESS E 438 14 Cardamine parviflora var. arenicola Brassicaceae SAND BITTERCRESS N 438 10 Cardamine pensylvanica Brassicaceae PENNSYLVANIA BITTERCRESS N 438 37 Cardamine rotundifolia Brassicaceae MOUNTAIN WATERCRESS, MOUNTAIN BITTERCRESS N 438 28 Cardaria draba Brassicaceae HEART‐PODDED HOARY CRESS E 0 1 Carduus acanthoides Asteraceae PLUMELESS THISTLE E 1008 13 Carduus crispus Asteraceae CURLED THISTLE E 1008 9 Carduus nutans ssp. macrolepis Asteraceae MUSK THISTLE E 1006 10 Carex aestivalis Cyperaceae SUMMER SEDGE N 192 7 Carex aggregata Cyperaceae GLOMERATE SEDGE N 178 12 Carex albicans var. albicans Cyperaceae WHITE‐TINGE SEDGE N 186 16 Carex albolutescens Cyperaceae GREEN‐WHITE SEDGE N 0 3 Carex albursina Cyperaceae WHITE BEAR SEDGE N 190 28 Carex amphibola Cyperaceae EASTERN NARROW‐LEAF SEDGE N 0 5 Carex annectens Cyperaceae YELLOW‐FRUIT SEDGE N 178 21 Carex appalachica Cyperaceae APPALACHIAN SEDGE N 0 6 Carex aquatilis var. aquatilis Cyperaceae LEAFY‐TUSSOCK SEDGE, WATER SEDGE N 0 1 Carex arctata Cyperaceae DROOPING WOOD SEDGE N 0 1 Carex argyrantha Cyperaceae HAY SEDGE N 184 14 Carex atherodes Cyperaceae WHEAT SEDGE, AWNED SEDGE N 1045 1 Carex atlantica ssp. atlantica Cyperaceae PRICKLY BOG SEDGE, EASTERN SEDGE N 180 22 Carex atlantica ssp. capillacea Cyperaceae PRICKLY BOG SEDGE, EASTERN SEDGE N 1044 1 Carex baileyi Cyperaceae BAILEY'S SEDGE N 202 17 Carex bebbii Cyperaceae BEBB'S SEDGE N 0 1 Carex blanda Cyperaceae EASTERN WOODLAND SEDGE N 190 31 Carex bromoides ssp. bromoides Cyperaceae BROME‐LIKE SEDGE N 180 11 Carex brunnescens ssp. sphaerostachya Cyperaceae BROWNISH SEDGE N 180 7 Carex bushii Cyperaceae BUSH'S SEDGE N 196 11 Carex buxbaumii Cyperaceae BROWN BOG SEDGE, BROWN SEDGE N 196 6 Carex canescens ssp. canescens Cyperaceae HOARY SEDGE, SILVER SEDGE N 180 10 Carex canescens ssp. disjuncta Cyperaceae HOARY SEDGE, SILVER SEDGE N 180 2 Carex careyana Cyperaceae CAREY'S SEDGE N 0 1 Carex caroliniana Cyperaceae CAROLINA SEDGE N 194 14 Carex cephalophora Cyperaceae OVAL‐LEAF SEDGE, OVAL‐HEADED SEDGE N 176 32 Carex communis var. communis Cyperaceae FIBROUS‐ROOT SEDGE N 186 23 Carex comosa Cyperaceae BEARDED SEDGE, BRISTLY SEDGE N 200 6 Carex conjuncta Cyperaceae SOFT FOX SEDGE N 178 13 Carex conoidea Cyperaceae FIELD SEDGE N 1044 3 Carex crinita var. crinita Cyperaceae FRINGED SEDGE N 196 34 Carex cristatella Cyperaceae CRESTED SEDGE N 182 13 Carex cumberlandensis Cyperaceae CUMBERLAND SEDGE N 0 5 Carex davisii Cyperaceae DAVIS' SEDGE N 1044 4 Carex debilis var. debilis Cyperaceae WHITE‐EDGE SEDGE N 194 10 Carex debilis var. pubera Cyperaceae WHITE‐EDGE SEDGE N 0 3 Carex debilis var. rudgei Cyperaceae WHITE‐EDGE SEDGE N 194 16 Carex deflexa Cyperaceae NORTHERN SEDGE N 0 1 Carex digitalis var. digitalis Cyperaceae SLENDER WOODLAND SEDGE N 188 29 Carex eburnea Cyperaceae EBONY SEDGE N 188 6 Carex echinata ssp. echinata Cyperaceae STAR SEDGE N 180 8 Carex emoryi Cyperaceae EMORY'S SEDGE N 196 11 Carex festucacea Cyperaceae FESCUE SEDGE N 182 6 Carex folliculata Cyperaceae NORTHERN LONG SEDGE N 196 15 Carex frankii Cyperaceae FRANK'S SEDGE N 200 36 Carex glaucodea Cyperaceae BLUE SEDGE N 192 10 Carex gracilescens Cyperaceae SLENDER LOOSE‐FLOWER SEDGE N 190 18 Carex gracillima Cyperaceae GRACEFUL SEDGE N 192 26 Carex granularis Cyperaceae LIMESTONE‐MEADOW SEDGE, MEADOW SEDGE N 190 23 Carex gravida var. gravida Cyperaceae HEAVY SEDGE A 0 1 Carex grayi Cyperaceae GRAY'S SEDGE N 202 12 Carex grisea Cyperaceae INFLATED NARROW‐LEAF SEDGE, GRAY SEDGE N 0 23 Carex gynandra Cyperaceae NODDING SEDGE N 196 19 Carex haydenii Cyperaceae CLOUD SEDGE N 0 1 Carex hirsutella Cyperaceae HIRSUTE SEDGE N 194 42 Carex hirtifolia Cyperaceae PUBESCENT SEDGE N 186 8 Carex hitchcockiana Cyperaceae HITCHCOCK'S SEDGE N 192 6 Carex hyalinolepis Cyperaceae SHORELINE SEDGE N 0 1 Carex hystericina Cyperaceae PORCUPINE SEDGE N 198 5 Carex interior Cyperaceae INLAND SEDGE N 180 4 Carex intumescens Cyperaceae GREATER BLADDER SEDGE N 202 21 Carex jamesii Cyperaceae JAMES' SEDGE N 184 17 Carex lacustris Cyperaceae LAKEBANK SEDGE N 200 6 Carex laevivaginata Cyperaceae SMOOTH‐SHEATH SEDGE N 178 22 Carex lasiocarpa var. americana Cyperaceae WOOLY‐FRUIT SEDGE, SLENDER SEDGE N 196 5 Carex laxiculmis var. copulata Cyperaceae SPREADING SEDGE N 188 2 Carex laxiculmis var. laxiculmis Cyperaceae SPREADING SEDGE N 188 19 Carex laxiflora Cyperaceae BROAD LOOSE‐FLOWER SEDGE N 190 41 Carex leavenworthii Cyperaceae LEAVENWORTH'S SEDGE N 176 6 Carex leptalea ssp. leptalea Cyperaceae BRISTLY‐STALK SEDGE N 184 15 Carex leptonervia Cyperaceae NERVELESS WOODLAND SEDGE N 190 7 Carex longii Cyperaceae LONG'S SEDGE N 0 1 Carex lucorum var. austrolucorum Cyperaceae BLUE RIDGE SEDGE N 1044 1 Carex lupuliformis Cyperaceae FALSE HOP SEDGE N 0 6 Carex lupulina Cyperaceae HOP SEDGE N 202 26 Carex lurida Cyperaceae SALLOW SEDGE N 202 49 Carex manhartii Cyperaceae MANHART'S SEDGE N 0 1 Carex meadii Cyperaceae MEAD'S SEDGE N 1044 1 Carex mesochorea Cyperaceae MIDLAND SEDGE N 176 10 Carex molesta Cyperaceae TROUBLESOME SEDGE N 182 14 Carex molestiformis Cyperaceae OZARK PLATEAU SEDGE N 0 5 Carex muehlenbergii var. muehlenbergii Cyperaceae MUHLENBERG'S SEDGE N 178 8 Carex nigromarginata Cyperaceae BLACK‐EDGE SEDGE N 1044 21 Carex normalis Cyperaceae GREATER STRAW SEDGE N 182 17 Carex novae‐angliae Cyperaceae NEW ENGLAND SEDGE N 0 1 Carex oligocarpa Cyperaceae FEW‐FRUITED SEDGE N 190 17 Carex oligosperma var. oligosperma Cyperaceae FEW‐SEED SEDGE N 0 1 Carex ormostachya Cyperaceae NECKLACE SPIKE SEDGE N 0 1 Carex pauciflora Cyperaceae FEW‐FLOWERED SEDGE N 184 3 Carex pedunculata Cyperaceae LONG‐STALK SEDGE N 186 7 Carex pellita Cyperaceae WOOLY SEDGE N 0 7 Carex pensylvanica Cyperaceae PENNSYLVANIA SEDGE N 186 40 Carex plantaginea Cyperaceae PLANTAIN SEDGE N 188 24 Carex platyphylla Cyperaceae BROADLEAF SEDGE N 188 29 Carex polymorpha Cyperaceae VARIABLE SEDGE N 188 1 Carex prairea Cyperaceae PRAIRIE SEDGE N 178 1 Carex prasina Cyperaceae DROOPING SEDGE N 192 21 Carex projecta Cyperaceae NECKLACE SEDGE N 182 14 Carex purpurifera Cyperaceae PURPLE SEDGE N 0 2 Carex radiata Cyperaceae EASTERN STAR SEDGE N 176 26 Carex retroflexa Cyperaceae REFLEXED SEDGE N 176 15 Carex roanensis Cyperaceae ROAN MOUNTAIN SEDGE N 0 1 Carex rosea Cyperaceae ROSY SEDGE, STELLATE SEDGE N 176 37 Carex scabrata Cyperaceae ROUGH SEDGE N 196 11 Carex scoparia var. scoparia Cyperaceae POINTED BROOM SEDGE N 182 32 Carex seorsa Cyperaceae WEAK STELLATE SEDGE N 0 3 Carex shortiana Cyperaceae SHORT'S SEDGE N 196 10 Carex siccata Cyperaceae DRY‐SPIKE SEDGE N 0 1 Carex sparganioides Cyperaceae BURR‐REED SEDGE N 178 17 Carex squarrosa Cyperaceae SQUARROSE SEDGE N 200 30 Carex stipata var. maxima Cyperaceae STALK‐GRAIN SEDGE, AWL‐FRUITED SEDGE N 178 3 Carex stipata var. stipata Cyperaceae STALK‐GRAIN SEDGE, AWL‐FRUITED SEDGE N 178 21 Carex straminea Cyperaceae EASTERN STRAW SEDGE N 1044 5 Carex striatula Cyperaceae LINED SEDGE, STRIATE SEDGE N 190 3 Carex stricta Cyperaceae TUSSOCK SEDGE N 196 19 Carex styloflexa Cyperaceae BENT SEDGE N 0 2 Carex suberecta Cyperaceae PRAIRIE STRAW SEDGE N 1044 2 X Carex swanii Cyperaceae SWAN'S SEDGE N 194 23 Carex tetanica Cyperaceae RIGID SEDGE, WOOD'S SEDGE N 0 1 Carex texensis Cyperaceae TEXAS SEDGE N 176 3 Carex tonsa var. rugosperma Cyperaceae SHAVED SEDGE N 0 7 Carex torta Cyperaceae TWISTED SEDGE N 198 31 Carex tribuloides Cyperaceae BLUNT BROOM SEDGE N 182 35 Carex trichocarpa Cyperaceae HAIRY‐FRUIT SEDGE N 196 4 Carex trisperma var. trisperma Cyperaceae THREE‐SEEDED SEDGE N 180 10 Carex tuckermanii Cyperaceae TUCKERMAN'S SEDGE N 0 2 Carex typhina Cyperaceae CAT‐TAIL SEDGE N 200 11 Carex umbellata Cyperaceae HIDDEN SEDGE, UMBEL‐LIKE SEDGE N 186 24 Carex utriculata Cyperaceae NORTHWEST TERRITORY SEDGE, BEAKED SEDGE N 202 6 Carex vesicaria Cyperaceae LESSER BLADDER SEDGE, INFLATED SEDGE N 200 7 Carex virescens Cyperaceae RIBBED SEDGE N 194 29 Carex vulpinoidea Cyperaceae FOXTAIL SEDGE N 178 46 Carex willdenowii Cyperaceae WILLDENOW'S SEDGE N 184 24 Carex woodii Cyperaceae PRETTY SEDGE N 0 9 Carex ×aestivaliformis Cyperaceae FALSE SUMMER SEDGE N 0 1 X Carpinus caroliniana ssp. virginiana Betulaceae MUSCLETREE, AMERICAN HORNBEAM, BLUE BEECH, WN 294 49 Carum carvi Apiaceae CARAWAY E 690 1 Carya alba Juglandaceae MOCKERNUT HICKORY N 290 27 Carya cordiformis Juglandaceae BITTERNUT HICKORY N 290 39 Carya glabra Juglandaceae PIGNUT HICKORY N 292 32 Carya laciniosa Juglandaceae SHELLBARK HICKORY, KING NUT N 290 17 Carya ovalis Juglandaceae OVAL PIGNUT HICKORY, RED HICKORY N 292 21 X Carya ovata Juglandaceae SHAGBARK HICKORY N 290 35 Castanea dentata Fagaceae CHESTNUT N 300 39 Castanea mollissima Fagaceae CHINESE CHESTNUT E 0 5 Castanea pumila var. pumila Fagaceae CHINQUAPIN N 300 16 Castilleja coccinea Scrophulariaceae INDIAN PAINT BRUSH, PAINTED CUP N 862 15 Catalpa bignonioides Bignoniaceae COMMON CATALPA, INDIAN BEAN, CIGAR TREE I 866 24 Catalpa ovata Bignoniaceae CHINESE CATALPA E 866 6 Catalpa speciosa Bignoniaceae WESTERN CATALPA, CATAWBA TREE I 866 22 Caulophyllum giganteum Berberidaceae GIANT BLUE COHOSH N 402 23 Caulophyllum thalictroides Berberidaceae BLUE COHOSH, PAPPOOSE‐ROOT N 402 41 Ceanothus americanus Rhamnaceae NEW JERSEY TEA, RED‐ROOT N 624 40 Ceanothus herbaceus Rhamnaceae PRAIRIE REDROOT N 0 1 Celastrus orbiculata Celastraceae ORIENTAL BITTERSWEET E 0 29 Celastrus scandens Celastraceae CLIMBING BITTERSWEET N 614 37 Celosia argentea Amaranthaceae COCKSCOMB E 350 5 Celtis laevigata var. laevigata Ulmaceae SUGARBERRY N 1045 2 Celtis occidentalis Ulmaceae HACKBERRY, NETTLE‐TREE N 310 32 Celtis tenuifolia Ulmaceae DWARF HACKBERRY N 310 16 Cenchrus longispinus Poaceae SANDBUR N 94 11 Centaurea biebersteinii Asteraceae SPOTTED KNAPWEED E 1012 32 Centaurea cyanus Asteraceae BLUEBOTTLE, CORNFLOWER E 1010 12 Centaurea jacea Asteraceae BROWN KNAPWEED E 1012 11 Centaurea nigra Asteraceae BLACK KNAPWEED, SPANISH‐BUTTONS E 1012 14 Centaurea nigrescens Asteraceae WOCHEINER KNAPWEED E 1012 12 Centaurea solstitialis Asteraceae YELLOW STAR‐THISTLE, BARNABY'S THISTLE E 1012 1 Centaurium erythraea Gentianaceae EUROPEAN CENTAURY E 0 1 Cephalanthus occidentalis Rubiaceae BUTTONBUSH N 886 30 Cerastium arvense ssp. strictum Caryophyllaceae FIELD CHICKWEED N 366 5 Cerastium brachypetalum ssp. brachypetalum Caryophyllaceae FIELD CHICKWEED E 0 2 Cerastium fontanum ssp. vulgare Caryophyllaceae COMMON MOUSE‐EAR CHICKWEED E 366 41 Cerastium glomeratum Caryophyllaceae STICKY CHICKWEED E 366 23 Cerastium nutans var. nutans Caryophyllaceae NODDING CHICKWEED, POWDERHORN N 366 27 Cerastium pumilum Caryophyllaceae EUROPEAN MOUSE‐EAR CHICKWEED E 0 2 Cerastium semidecandrum Caryophyllaceae CHICKWEED E 0 2 Cerastium tomentosum Caryophyllaceae SNOW‐IN‐SUMMER E 0 2 Ceratophyllum demersum Ceratophyllaceae HORNWORT, COONTAIL N 374 11 Ceratophyllum echinatum Ceratophyllaceae HORNWORT N 0 2 Cercis canadensis var. canadensis Fabaceae REDBUD N 544 53 Chaenomeles japonica Rosaceae JAPANESE FLOWERING‐QUINCE, JAPANESE QUINCE E 470 11 Chaenomeles speciosa Rosaceae COMMON FLOWERING‐QUINCE E 0 1 Chaenorrhinum minus Scrophulariaceae SMALL SNAPDRAGON E 842 24 Chaerophyllum procumbens var. procumbens Apiaceae SPREADING CHERVIL N 684 37 Chaerophyllum procumbens var. shortii Apiaceae SPREADING CHERVIL N 684 1 Chaerophyllum tainturieri var. tainturieri Apiaceae SOUTHERN CHERVIL A 0 4 Chaiturus marrubiastrum Lamiaceae HOREHOUND MOTHERWORT, LION'S TAIL E 806 5 Chamaecrista fasciculata var. fasciculata Fabaceae PARTRIDGE PEA N 542 11 Chamaecrista nictitans ssp. nictitans var. nictitans Fabaceae WILD SENSITIVE PLANT N 544 38 Chamaelirium luteum Liliaceae DEVIL'S BIT N 224 30 Chamaesyce humistrata Euphorbiaceae SPREADING SPURGE A 602 10 Chamaesyce maculata Euphorbiaceae SPOTTED SPURGE N 602 34 Chamaesyce nutans Euphorbiaceae EYEBANE N 602 45 Chamaesyce prostrata Euphorbiaceae SPOTTED SPURGE N 0 1 Chamaesyce vermiculata Euphorbiaceae HAIRY SPURGE N 602 5 Chamerion angustifolium ssp. angustifolium Onagraceae FIREWEED N 0 6 Chamerion angustifolium ssp. circumvagum Onagraceae FIREWEED N 668 19 Chasmanthium latifolium Poaceae WILD OATS N 122 20 Cheilanthes eatonii Adiantaceae CHESTNUT LIPFERN N 38 5 Cheilanthes lanosa Adiantaceae HAIRY LIPFERN N 38 19 Cheilanthes tomentosa Adiantaceae LIPFERN N 38 1 Chelidonium majus var. majus Papaveraceae CELANDINE E 412 25 Chelone glabra Scrophulariaceae TURTLEHEAD N 844 31 Chelone lyonii Scrophulariaceae PINK TURTLEHEAD A 845 1 Chenopodium album var. album Chenopodiaceae LAMB'S QUARTERS E 344 33 Chenopodium album var. missouriense Chenopodiaceae MISSOURI GOOSEFOOT N 346 12 Chenopodium ambrosioides var. ambrosioides Chenopodiaceae MEXICAN TEA E 342 34 Chenopodium berlandieri var. bushianum Chenopodiaceae VILLAGE GOOSEFOOT E 346 8 Chenopodium botrys Chenopodiaceae FEATHER GERANIUM, JERUSALEM OAK E 342 9 Chenopodium glaucum Chenopodiaceae OAKLEAF GOOSEFOOT E 344 2 Chenopodium murale Chenopodiaceae NETTLELEAF GOOSEFOOT E 344 4 Chenopodium pratericola Chenopodiaceae DESERT GOOSEFOOT A 0 1 Chenopodium simplex Chenopodiaceae MAPLELEAF GOOSEFOOT N 344 14 Chenopodium standleyanum Chenopodiaceae STANDLEY'S GOOSEFOOT N 344 7 Chenopodium urbicum Chenopodiaceae CITY GOOSEFOOT E 344 4 Chimaphila maculata Pyrolaceae SPOTTED WINTERGREEN N 706 44 Chimaphila umbellata ssp. cisatlantica Pyrolaceae PIPSISSEWA, PRINCE'S PINE N 704 10 Chionanthus virginicus Oleaceae FRINGETREE N 740 16 Chloris verticillata Poaceae TUMBLE WINDMILL GRASS A 0 1 Chondrilla juncea Asteraceae SKELETONWEED, NAKED‐WEED E 1016 6 Chorispora tenella Brassicaceae BLUE MUSTARD E 0 1 Chrysogonum virginianum var. virginianum Asteraceae GOLDEN‐KNEES N 970 16 Chrysopsis mariana Asteraceae GOLDEN ASTER N 926 24 Chrysosplenium americanum Saxifragaceae GOLDEN SAXIFRAGE, WATER CARPET N 454 20 Cichorium intybus Asteraceae CHICORY, BLUE SAILORS E 1012 48 Cicuta bulbifera Apiaceae BULBIFEROUS WATER HEMLOCK N 690 2 Cicuta maculata var. maculata Apiaceae WATER HEMLOCK, SPOTTED COWBANE, BEAVER POISON 690 48 Cinna arundinacea Poaceae WOOD REEDGRASS N 114 30 Cinna latifolia Poaceae DROOPING WOOD REEDGRASS N 114 9 Circaea alpina ssp. alpina Onagraceae ALPINE ENCHANTER'S‐NIGHTSHADE N 676 11 Circaea lutetiana ssp. canadensis Onagraceae INTERMEDIATE ENCHANTER'S‐NIGHTSHADE N 676 39 Circaea ×intermedia Onagraceae ENCHANTER'S‐NIGHTSHADE N 676 4 Cirsium altissimum Asteraceae TALL THISTLE N 1008 25 Cirsium arvense Asteraceae CANADA THISTLE E 1010 41 Cirsium discolor Asteraceae FIELD THISTLE N 1008 35 Cirsium muticum Asteraceae SWAMP THISTLE N 1010 15 Cirsium pumilum Asteraceae BULL THISTLE N 1010 24 X Cirsium vulgare Asteraceae COMMON THISTLE E 1008 37 Citrullus lanatus var. lanatus Cucurbitaceae WATERMELON E 0 1 Claytonia caroliniana Portulacaceae CAROLINA SPRING BEAUTY N 354 33 Claytonia virginica var. virginica Portulacaceae SPRING BEAUTY N 354 44 Cleistes bifaria Orchidaceae SPREADING POGONIA N 264 5 Clematis albicoma Ranunculaceae WHITEHAIRED LEATHERFLOWER N 392 7 Clematis occidentalis var. occidentalis Ranunculaceae PURPLE VIRGIN'S BOWER N 394 8 Clematis terniflora Ranunculaceae JAPANESE CLEMATIS E 392 23 Clematis viorna Ranunculaceae LEATHERFLOWER N 392 21 Clematis virginiana Ranunculaceae VIRGIN'S BOWER N 392 48 Cleome hassleriana Capparaceae PINKQUEEN, SPIDERFLOWER E 418 8 Clethra acuminata Clethraceae SWEET PEPPERBUSH N 704 6 X Clinopodium vulgare Lamiaceae FIELD BASIL N 816 48 Clintonia borealis Liliaceae YELLOW CLINTONIA, BLUE‐BEAD LILY N 240 9 Clintonia umbellulata Liliaceae WHITE CLINTONIA, SPECKLED WOOD‐LILY, BLUE BEAD‐N 240 30 Clitoria mariana Fabaceae BUTTERFLYPEA N 572 20 Coeloglossum viride var. virescens Orchidaceae LONG‐BRACTED GREEN ORCHID, SATYR ORCHID N 260 6 Coincya monensis ssp. recurvata Brassicaceae STAR‐MUSTARD E 0 1 Collinsia verna Scrophulariaceae BLUE‐EYED MARY N 842 15 Collinsonia canadensis Lamiaceae RICHWEED, HORSE‐BALM N 828 40 Comandra umbellata ssp. umbellata Santalaceae BASTARD TOADFLAX N 320 7 Commelina communis var. communis Commelinaceae ASIATIC DAY‐FLOWER E 210 47 Commelina diffusa var. diffusa Commelinaceae DAY‐FLOWER E 210 2 Commelina erecta var. angustifolia Commelinaceae SLENDER DAY‐FLOWER N 210 6 Commelina virginica Commelinaceae VIRGINIA DAY‐FLOWER N 210 12 Comptonia peregrina Myricaceae SWEET FERN N 286 7 Conium maculatum Apiaceae POISON HEMLOCK E 688 31 X Conoclinium coelestinum Asteraceae MISTFLOWER N 922 46 Conopholis americana Orobanchaceae CANCERROOT N 868 40 Conringia orientalis Brassicaceae HARE'S EAR MUSTARD E 428 2 Consolida ajacis Ranunculaceae ROCKET LARKSPUR E 396 6 Convallaria majalis Liliaceae EUROPEAN LILY‐OF‐THE‐VALLEY E 244 7 Convallaria majuscula Liliaceae AMERICAN LILY‐OF‐THE‐VALLEY N 242 19 Convolvulus arvensis Convolvulaceae FIELD BINDWEED E 762 17 Conyza canadensis var. canadensis Asteraceae HORSEWEED, COLTSTAIL, BUTTERWEED N 956 46 Conyza canadensis var. pusilla Asteraceae CANADIAN HORSEWEED N 0 1 Coptis trifolia Ranunculaceae GOLDTHREAD N 394 7 Corallorhiza bentleyi Orchidaceae BENTLEY'S CORALROOT N 0 2 Corallorhiza maculata var. maculata Orchidaceae SPOTTED CORALROOT N 270 22 Corallorhiza maculata var. occidentalis Orchidaceae WESTERN SPOTTED CORALROOT N 270 3 Corallorhiza odontorhiza var. odontorhiza Orchidaceae SMALL CORALROOT, AUTUMN CORALROOT N 270 34 Corallorhiza trifida Orchidaceae EARLY CORALROOT N 270 2 Corallorhiza wisteriana Orchidaceae WISTER'S CORALROOT, SPRING CORALROOT N 270 7 Coreopsis auriculata Asteraceae RUNNING TICKSEED N 988 7 Coreopsis grandiflora var. harveyana Asteraceae LARGE‐FLOWERED TICKSEED I 988 11 Coreopsis lanceolata Asteraceae LANCE‐LEAVED TICKSEED N 986 13 Coreopsis major Asteraceae WOOD TICKSEED N 988 27 Coreopsis pubescens var. pubescens Asteraceae HAIRY TICKSEED N 988 3 Coreopsis pubescens var. robusta Asteraceae HAIRY TICKSEED N 988 4 Coreopsis tinctoria var. tinctoria Asteraceae GOLDEN COREOPSIS I 986 6 Coreopsis tripteris Asteraceae TALL COREOPSIS N 988 26 Coreopsis verticillata Asteraceae WHORLED TICKSEED N 988 5 Cornus alternifolia Cornaceae ALTERNATE‐LEAVED DOGWOOD N 702 39 X Cornus amomum Cornaceae SILKY CORNEL, KINNIKINNIK N 702 39 Cornus canadensis Cornaceae BUNCHBERRY, DWARF CORNEL N 700 7 Cornus florida Cornaceae FLOWERING DOGWOOD N 700 54 Cornus obliqua Cornaceae SILKY DOGWOOD, PALE DOGWOOD N 702 17 Cornus racemosa Cornaceae PANICLED DOGWOOD N 702 22 Cornus rugosa Cornaceae ROUND‐LEAVED DOGWOOD N 702 4 Cornus sericea ssp. sericea Cornaceae RED‐OSIER DOGWOOD I 700 11 Coronilla varia Fabaceae CROWN VETCH E 556 39 Coronopus didymus Brassicaceae SWINE‐CRESS E 0 3 Corydalis flavula Fumariaceae YELLOW CORYDALIS N 416 36 Corydalis sempervirens Fumariaceae PINK CORYDALIS N 416 18 Corylus americana Betulaceae HAZELNUT N 292 49 Corylus cornuta var. cornuta Betulaceae BEAKED HAZLENUT N 292 18 Cosmos bipinnatus Asteraceae COMMON COSMOS E 994 3 Cosmos sulphureus Asteraceae ORANGE COSMOS E 0 1 Crataegus arborea Rosaceae MONTGOMERY HAWTHORN N 480 2 Crataegus arcana Rosaceae HAWTHORN N 486 1 Crataegus calpodendron Rosaceae PEAR HAWTHORN N 490 4 Crataegus crus‐galli Rosaceae COCKSPUR HAWTHORN N 478 18 Crataegus dilatata Rosaceae DOTTED HAWTHORN N 488 1 Crataegus disperma Rosaceae HAWTHORN N 480 7 Crataegus erythrocarpa Rosaceae HAWTHORN N 486 1 Crataegus flabellata Rosaceae HAWTHORN N 0 1 Crataegus flava Rosaceae HAWTHORN N 482 1 Crataegus holmesiana Rosaceae HOLMES' HAWTHORN N 488 2 Crataegus intricata Rosaceae HAWTHORN N 480 15 Crataegus iracunda Rosaceae HAWTHORN N 484 5 Crataegus lucorum Rosaceae HAWTHORN N 484 1 Crataegus macrosperma Rosaceae VARIABLE HAWTHORN N 484 18 Crataegus margarettiae Rosaceae HAWTHORN N 486 6 Crataegus mollis Rosaceae HAWTHORN N 488 1 Crataegus pedicellata Rosaceae HAWTHORN N 488 10 Crataegus phaenopyrum Rosaceae WASHINGTON HAWTHORN N 478 1 Crataegus pringlei Rosaceae PRINGLE'S HAWTHORN N 0 1 Crataegus pruinosa Rosaceae WAXY FRUITED HAWTHORN N 486 16 Crataegus pulcherrima Rosaceae HAWTHORN I 482 1 Crataegus punctata Rosaceae DOTTED THORN N 480 17 Crataegus schuettei Rosaceae HAWTHORN N 484 1 Crataegus spathulata Rosaceae LITTLEHIP HAWTHORN N 0 1 Crataegus succulenta Rosaceae FLESHY HAWTHORN N 490 4 Crataegus uniflora Rosaceae DWARF HAWTHORN N 478 6 Crataegus viridis var. viridis Rosaceae GREEN HAW N 482 1 Crataegus ×anomala Rosaceae HAWTHORN N 488 1 Crataegus ×haemacarpa Rosaceae HAWTHORN N 484 1 Crepis capillaris Asteraceae SMOOTH HAWKSBEARD E 1020 24 Crepis pulchra Asteraceae SMALL‐FLOWERED HAWKSBEARD E 1022 7 Crotalaria sagittalis Fabaceae RATTLEBOX N 546 5 Croton capitatus var. capitatus Euphorbiaceae WOOLY CROTON A 0 1 Croton glandulosus var. septentrionalis Euphorbiaceae CROTON N 594 12 Croton monanthogynus Euphorbiaceae PRAIRIE TEA A 1046 2 Cruciata pedemontana Rubiaceae PIEDMONT BEDSTRAW E 884 24 Cryptogramma stelleri Adiantaceae FRAGILE ROCKBRAKE FERN N 40 2 Cryptotaenia canadensis Apiaceae HONEWORT N 690 50 Cucumis melo Cucurbitaceae CANTALOUPE E 0 1 Cucurbita pepo var. pepo Cucurbitaceae PUMPKIN E 0 1 Cunila origanoides Lamiaceae DITTANY N 822 37 Cuphea viscosissima Lythraceae TARWEED N 662 39 Cuscuta coryli Cuscutaceae HAZEL DODDER N 766 6 Cuscuta epithymum Cuscutaceae CLOVER DODDER E 766 13 Cuscuta gronovii var. gronovii Cuscutaceae GRONOVIUS' DODDER, COMMON DODDER N 766 32 Cuscuta indecora var. neuropetala Cuscutaceae DODDER A 766 5 Cuscuta pentagona var. pentagona Cuscutaceae FIVE‐ANGLED DODDER N 764 23 Cuscuta polygonorum Cuscutaceae SMARTWEED DODDER N 0 2 Cuscuta rostrata Cuscutaceae BEAKED DODDER N 766 8 Cycloloma atriplicifolium Chenopodiaceae WINGED PIGWEED A 346 1 Cymbalaria muralis Scrophulariaceae KENILWORTH IVY E 840 11 Cymophyllus fraserianus Cyperaceae FRASER'S SEDGE N 184 11 Cynanchum laeve Asclepiadaceae HONEYVINE, SANDVINE, DOG'S‐COLLAR N 758 14 Cynodon dactylon Poaceae BERMUDA GRASS E 120 12 Cynoglossum officinale Boraginaceae HOUNDS‐TONGUE E 782 20 Cynoglossum virginianum var. virginianum Boraginaceae WILD COMFREY N 782 30 Cynosurus cristatus Poaceae CRESTED DOGTAIL E 128 2 Cynosurus echinatus Poaceae PRICKLY DOGTAIL E 128 1 Cyperus bipartitus Cyperaceae SHINING FLAT SEDGE N 154 32 Cyperus echinatus Cyperaceae GLOBE FLAT SEDGE N 156 15 Cyperus erythrorhizos Cyperaceae RED‐ROOT FLAT SEDGE N 154 12 Cyperus esculentus var. leptostachyus Cyperaceae EDIBLE NUTGRASS, CHUFA N 154 27 Cyperus flavescens Cyperaceae YELLOW FLAT SEDGE N 154 22 Cyperus houghtonii Cyperaceae HOUGHTON'S FLAT SEDGE N 0 1 Cyperus iria Cyperaceae RICE FIELD FLAT‐SEDGE E 0 2 Cyperus lancastriensis Cyperaceae MANY‐FLOWER FLAT SEDGE N 156 8 Cyperus lupulinus ssp. lupulinus Cyperaceae GREAT PLAINS FLAT SEDGE N 156 12 Cyperus lupulinus ssp. macilentus Cyperaceae GREAT PLAINS FLAT SEDGE N 156 7 Cyperus odoratus Cyperaceae RUSTY FLAT SEDGE N 154 22 Cyperus polystachyos var. texensis Cyperaceae MANY‐SPIKE FLAT SEDGE A 0 1 Cyperus refractus Cyperaceae REFLEXED FLAT SEDGE N 154 14 Cyperus squarrosus Cyperaceae AWNED FLAT SEDGE N 154 12 Cyperus strigosus Cyperaceae GALINGALE N 154 49 Cypripedium acaule Orchidaceae PINK LADY'S SLIPPER, MOCCASIN FLOWER N 258 34 Cypripedium parviflorum var. parviflorum Orchidaceae SMALL YELLOW LADY'S SLIPPER N 258 12 Cypripedium parviflorum var. pubescens Orchidaceae LARGE YELLOW LADY'S SLIPPER N 258 34 Cypripedium reginae Orchidaceae SHOWY LADY'S SLIPPER N 258 2 Cystopteris bulbifera Dryopteridaceae BULBIFEROUS BLADDER FERN N 20 16 Cystopteris protrusa Dryopteridaceae LOWLAND BRITTLE FERN N 20 37 Cystopteris tennesseensis Dryopteridaceae BRITTLE FERN A 20 9 Cystopteris tenuis Dryopteridaceae BRITTLE FERN N 0 22 Cytisus scoparius var. scoparius Fabaceae SCOTCH BROOM E 546 6 Dactylis glomerata ssp. glomerata Poaceae ORCHARD GRASS E 128 37 Dalibarda repens Rosaceae STAR‐VIOLET N 528 5 Danthonia compressa Poaceae MOUNTAIN OAT‐GRASS, ALLEGHENY FLY‐BACK N 118 20 Danthonia spicata Poaceae POVERTY OAT‐GRASS, POVERTY GRASS, MOONSHINE GN 118 39 Dasistoma macrophylla Scrophulariaceae MULLEIN FOXGLOVE N 858 7 Datura inoxia Solanaceae ANGEL'S TRUMPET E 836 2 Datura stramonium Solanaceae JIMSON WEED, JAMESTOWN WEED E 836 29 Datura wrightii Solanaceae SACRED THORN‐APPLE N 0 1 Daucus carota Apiaceae QUEEN ANNE'S LACE, WILD CARROT E 698 54 Decodon verticillatus Lythraceae WATER LOOSESTRIFE A 0 3 Delphinium exaltatum Ranunculaceae TALL LARKSPUR N 398 10 Delphinium tricorne Ranunculaceae DWARF LARKSPUR N 398 33 Dennstaedtia punctilobula Dennstaedtiaceae HAY‐SCENTED FERN N 30 39 Deparia acrostichoides Dryopteridaceae SILVERY ATHYRIUM N 30 43 Deschampsia caespitosa Poaceae TUFTED HAIRGRASS N 118 8 Deschampsia flexuosa var. flexuosa Poaceae CRINKLED HAIRGRASS N 118 11 Descurainia pinnata ssp. brachycarpa Brassicaceae TANSY MUSTARD A 430 2 Descurainia sophia Brassicaceae HERB‐SOPHIA E 430 5 Desmodium canadense Fabaceae SHOWY TICK‐TREFOIL N 562 13 Desmodium canescens Fabaceae HOARY TICK‐TREFOIL N 560 28 Desmodium ciliare var. ciliare Fabaceae HAIRY SMALL‐LEAF TICK‐TREFOIL N 560 12 Desmodium cuspidatum var. cuspidatum Fabaceae LARGE‐BRACT TICK‐TREFOIL N 562 13 Desmodium glabellum Fabaceae DILLENIUS' TICK‐TREFOIL N 562 21 Desmodium glutinosum Fabaceae POINTED‐LEAF TICK‐TREFOIL N 560 23 Desmodium laevigatum Fabaceae SMOOTH TICK‐TREFOIL N 562 10 Desmodium lineatum Fabaceae SAND TICK‐TREFOIL A 560 3 Desmodium marilandicum Fabaceae SMOOTH SMALL‐LEAF TICK‐TREFOIL N 560 14 Desmodium nudiflorum Fabaceae NAKED‐FLOWER TICK‐TREFOIL N 560 34 Desmodium nuttallii Fabaceae NUTTALL'S TICK‐TREFOIL N 562 9 Desmodium obtusum Fabaceae STIFF TICK‐TREFOIL N 560 8 Desmodium paniculatum var. paniculatum Fabaceae PANICLED‐LEAF TICK‐TREFOIL N 562 37 Desmodium pauciflorum Fabaceae FEW‐FLOWER TICK‐TREFOIL N 560 3 Desmodium perplexum Fabaceae PERPLEXED TICK‐TREFOIL N 562 22 Desmodium rotundifolium Fabaceae PROSTRATE TICK‐TREFOIL N 560 24 Deutzia scabra Hydrangeaceae FUZZY PRIDE‐OF‐ROCHESTER, HYDRANGEA E 0 3 Dianthus armeria Caryophyllaceae DEPTFORD PINK E 374 46 Dianthus barbatus Caryophyllaceae SWEET WILLIAM E 374 10 Dianthus deltoides Caryophyllaceae MAIDEN PINK E 0 1 Diarrhena americana Poaceae TWIN GRASS N 122 21 Diarrhena obovata Poaceae TWIN GRASS N 122 3 Dicentra canadensis Fumariaceae SQUIRREL CORN N 416 36 Dicentra cucullaria Fumariaceae DUTCHMAN'S BREECHES N 416 45 Dicentra eximia Fumariaceae BLEEDING HEART N 416 11 Dichanthelium acuminatum var. acuminatum Poaceae PANIC GRASS A 88 4 Dichanthelium acuminatum var. fasciculatum Poaceae PANIC GRASS N 92 46 Dichanthelium acuminatum var. lindheimeri Poaceae PANIC GRASS N 92 10 Dichanthelium boreale Poaceae PANIC GRASS A 0 2 Dichanthelium boscii Poaceae PANIC GRASS N 86 36 X Dichanthelium clandestinum Poaceae DEERTONGUE GRASS N 86 42 Dichanthelium commutatum Poaceae VARIABLE PANIC GRASS N 90 36 Dichanthelium depauperatum Poaceae STARVED PANIC GRASS N 86 15 Dichanthelium dichotomum Poaceae BUSHY PANIC GRASS N 86 41 Dichanthelium latifolium Poaceae PANIC GRASS N 86 26 Dichanthelium laxiflorum Poaceae PANIC GRASS N 88 13 Dichanthelium linearifolium Poaceae LOW PANIC GRASS N 86 32 Dichanthelium meridionale Poaceae PANIC GRASS N 90 14 Dichanthelium oligosanthes var. scribnerianum Poaceae PANIC GRASS N 92 4 Dichanthelium sabulorum var. thinium Poaceae AMERICAN PANIC GRASS A 92 3 Dichanthelium scoparium Poaceae BROOM ROSETTE GRASS N 0 1 Dichanthelium sphaerocarpon var. isophyllum Poaceae SMALL‐FRUITED PANIC GRASS N 86 33 Dichanthelium sphaerocarpon var. sphaerocarpon Poaceae ROUND‐FRUITED PANIC GRASS N 88 9 Dichanthelium villosissimum var. villosissimum Poaceae WHITE‐HAIRED PANIC GRASS N 90 11 Dichanthelium xanthophysum Poaceae PANIC GRASS N 92 1 Dichondra carolinensis Convolvulaceae CAROLINA PONY'S FOOT A 0 1 Diervilla lonicera Caprifoliaceae BUSH HONEYSUCKLE N 892 16 Digitalis lanata Scrophulariaceae GRECIAN FOXGLOVE E 0 1 Digitalis purpurea Scrophulariaceae PURPLE FOXGLOVE E 850 10 Digitaria filiformis Poaceae FINGER GRASS N 76 4 Digitaria ischaemum Poaceae SMOOTH CRABGRASS E 76 22 Digitaria sanguinalis Poaceae CRABGRASS N 76 35 Diodia teres var. teres Rubiaceae ROUGH BUTTONWEED N 886 23 Diodia virginiana var. virginiana Rubiaceae LARGER BUTTONWEED N 886 14 Dioscorea oppositifolia Dioscoreaceae CHINESE YAM, CINNAMON VINE E 250 22 Dioscorea quaternata Dioscoreaceae FOUR‐LEAVED WILD YAM N 250 38 Dioscorea villosa Dioscoreaceae WILD YAM N 250 34 Diospyros virginiana Ebenaceae PERSIMMON N 736 38 Diplazium pycnocarpon Dryopteridaceae GLADE FERN, NARROW‐LEAVED ATHYRIUM N 30 39 Dipsacus fullonum Dipsacaceae COMMON TEASEL E 904 40 Dipsacus laciniatus Dipsacaceae LACINIATE WILD TEASEL E 904 13 Dirca palustris Thymelaeaceae LEATHERWOOD, LEATHERBARK N 660 27 Dodecatheon amethystinum Primulaceae SHOOTING STAR N 728 2 Dodecatheon meadia ssp. meadia Primulaceae SHOOTING STAR N 728 12 Doellingeria infirma Asteraceae WHITE ASTER N 954 24 X Doellingeria umbellata var. umbellata Asteraceae FLAT‐TOP WHITE ASTER N 954 23 Draba ramosissima Brassicaceae ROCKTWIST N 421 10 Draba verna Brassicaceae WHITLOWGRASS E 421 34 Dracocephalum parviflorum Lamiaceae SMALL‐FLOWERED DRAGON HEAD A 804 5 Drosera filiformis Droseraceae SUNDEW A 0 1 Drosera intermedia Droseraceae SUNDEW A 0 1 Drosera rotundifolia var. rotundifolia Droseraceae SUNDEW N 440 14 Dryopteris campyloptera Dryopteridaceae MOUNTAIN WOOD FERN N 26 9 Dryopteris carthusiana Dryopteridaceae SPINULOSE SHIELD FERN N 28 35 Dryopteris celsa Dryopteridaceae LOG FERN N 26 2 Dryopteris cristata Dryopteridaceae CRESTED SHIELD FERN N 26 17 Dryopteris goldiana Dryopteridaceae GOLDIE'S SHIELD FERN N 26 32 Dryopteris intermedia Dryopteridaceae INTERMEDIATE SHIELD FERN N 28 42 Dryopteris marginalis Dryopteridaceae MARGINAL SHIELD FERN N 26 52 Dryopteris ×boottii Dryopteridaceae BOOTT'S WOOD FERN N 28 4 Dryopteris ×neowherryi Dryopteridaceae SUSQUEHANNA WOOD FERN, SHIELD FERN N 1043 1 Dryopteris ×triploidea Dryopteridaceae SHIELD FERN N 1043 8 Dryopteris ×uliginosa Dryopteridaceae BRAUN'S WOOD FERN, SHIELD FERN N 1043 3 Duchesnea indica Rosaceae INDIAN STRAWBERRY E 492 21 Dulichium arundinaceum Cyperaceae THREE‐WAY SEDGE, THREE‐SQUARE N 156 21 Dyssodia papposa Asteraceae FETID‐MARIGOLD A 996 1 Echinacea purpurea Asteraceae PURPLE CONEFLOWER I 976 2 X Echinochloa crus‐galli Poaceae BARNYARD GRASS N 94 40 Echinochloa frumentacea Poaceae JAPANESE MILLET E 94 2 Echinochloa muricata var. microstachya Poaceae BARNYARD GRASS N 0 16 Echinochloa muricata var. muricata Poaceae ROUGH BARNYARD GRASS E 0 23 Echinochloa walteri Poaceae LONG‐AWN COCK'S‐SPUR GRASS N 0 2 Echinocystis lobata Cucurbitaceae WILD BALSAM‐APPLE, WILD CUCUMBER N 906 18 Echinops sphaerocephalus Asteraceae GLOBE‐THISTLE E 1006 2 Echium vulgare Boraginaceae VIPER'S BUGLOSS, BLUETHISTLE, BLUEDEVIL E 778 32 Eclipta prostrata Asteraceae YERBA DE TAJO N 972 25 Elaeagnus angustifolia Elaeagnaceae RUSSIAN OLIVE E 0 2 Elaeagnus multiflora Elaeagnaceae CHERRY SILVER‐BERRY E 0 1 X Elaeagnus umbellata var. parviflora Elaeagnaceae AUTUMN OLIVE E 660 54 sp? Eleocharis acicularis var. acicularis Cyperaceae NEEDLE SPIKERUSH N 160 16 sp? Eleocharis compressa Cyperaceae FLAT‐STEM SPIKERUSH N 160 7 sp? Eleocharis elliptica Cyperaceae SLENDER SPIKERUSH N 160 2 sp? Eleocharis engelmannii Cyperaceae ENGELMANN'S SPIKERUSH N 158 5 sp? Eleocharis erythropoda Cyperaceae BALD SPIKERUSH N 160 11 sp? Eleocharis intermedia Cyperaceae INTERMEDIATE SPIKERUSH N 158 4 sp? Eleocharis macrostachya Cyperaceae PALE SPIKERUSH A 0 1 sp? Eleocharis obtusa Cyperaceae BLUNT SPIKERUSH N 158 50 sp? Eleocharis palustris Cyperaceae COMMON SPIKERUSH N 1043 20 sp? Eleocharis quadrangulata Cyperaceae SQUARE‐STEM SPIKERUSH N 158 11 sp? Eleocharis radicans Cyperaceae ROOTED SPIKERUSH N 0 1 sp? Eleocharis rostellata Cyperaceae BEAKED SPIKERUSH N 0 2 sp? Eleocharis tenuis var. tenuis Cyperaceae KILL COW, DOGHAIR, SLENDER SPIKERUSH N 160 20 Elephantopus carolinianus Asteraceae ELEPHANT'S‐FOOT N 916 29 Eleusine indica Poaceae GOOSE GRASS, YARD GRASS I 122 34 Eleutherococcus pentaphyllus Araliaceae FIVE‐LEAF ARALIA E 0 1 Ellisia nyctelea Hydrophyllaceae AUNT LUCY N 774 7 Elodea canadensis Hydrocharitaceae CANADA WATERWEED N 64 16 Elodea nuttallii Hydrocharitaceae WESTERN WATERWEED A 64 13 Elsholtzia ciliata Lamiaceae CRESTED LATE‐SUMMER MINT E 826 4 Elymus canadensis Poaceae CANADA WILD RYE N 148 28 Elymus hystrix var. hystrix Poaceae BOTTLE‐BRUSH GRASS N 150 47 Elymus repens Poaceae QUACKGRASS E 146 32 Elymus riparius Poaceae WILD RYE N 148 28 Elymus trachycaulus ssp. subsecundus Poaceae BEARDED WHEATGRASS N 146 5 Elymus trachycaulus ssp. trachycaulus Poaceae SLENDER WHEATGRASS N 146 6 Elymus villosus Poaceae WILD RYE N 148 21 Elymus virginicus var. virginicus Poaceae VIRGINIA WILD RYE N 148 29 Enemion biternatum Ranunculaceae FALSE RUE ANEMONE N 394 3 Epifagus virginiana Orobanchaceae BEECHDROPS N 868 37 Epigaea repens Ericaceae TRAILING ARBUTUS N 716 34 sp? Epilobium ciliatum ssp. ciliatum Onagraceae AMERICAN WILLOW‐HERB N 668 13 sp? Epilobium coloratum Onagraceae PURPLE‐LEAVED WILLOW‐HERB N 668 41 sp? Epilobium hirsutum Onagraceae HAIRY WILLOW‐HERB E 0 2 sp? Epilobium leptophyllum Onagraceae LINEAR‐LEAVED WILLOW‐HERB N 668 8 Epipactis helleborine Orchidaceae HELLEBORINE E 1045 3 Equisetum arvense Equisetaceae COMMON HORSETAIL N 3 49 Equisetum fluviatile Equisetaceae WATER HORSETAIL N 2 2 Equisetum hyemale var. affine Equisetaceae SCOURING RUSH N 2 37 Equisetum sylvaticum Equisetaceae WOODLAND HORSETAIL N 2 5 Equisetum ×ferrissii Equisetaceae HORSETAIL N 2 2 Eragrostis capillaris Poaceae LACEGRASS N 126 22 Eragrostis cilianensis Poaceae STINKGRASS E 126 23 Eragrostis curvula Poaceae WEEPING LOVEGRASS E 128 13 Eragrostis frankii Poaceae FRANK'S LOVEGRASS N 126 13 Eragrostis hirsuta Poaceae LOVEGRASS A 128 2 Eragrostis hypnoides Poaceae CREEPING LOVEGRASS N 128 22 Eragrostis minor Poaceae LOW LOVEGRASS E 128 9 Eragrostis pectinacea var. pectinacea Poaceae LOVEGRASS N 126 26 Eragrostis pilosa Poaceae INDIA LOVEGRASS E 126 5 Eragrostis spectabilis Poaceae PURPLE LOVEGRASS N 128 17 X Erechtites hieraciifolia var. hieraciifolia Asteraceae PILEWORT N 1002 40 Erica tetralix Ericaceae CROSSLEAF HEATH E 718 2 Erigenia bulbosa Apiaceae HARBINGER OF SPRING, PEPPER‐AND‐SALT N 686 24 Erigeron annuus Asteraceae WHITE‐TOP N 956 48 Erigeron philadelphicus var. philadelphicus Asteraceae PHILADELPHIA FLEABANE N 956 46 Erigeron pulchellus var. brauniae Asteraceae ROBIN'S PLANTAIN N 956 15 Erigeron pulchellus var. pulchellus Asteraceae ROBIN'S PLANTAIN N 956 31 Erigeron strigosus var. strigosus Asteraceae DAISY FLEABANE N 956 46 Eriogonum allenii Polygonaceae YELLOW BUCKWHEAT N 326 5 Eriophorum virginicum Cyperaceae COTTONGRASS N 166 15 Erodium cicutarium ssp. cicutarium Geraniaceae STORK'S BILL, HERON'S‐BILL E 586 14 Eruca vesicaria ssp. sativa Brassicaceae GARDEN ROCKET E 428 2 Erucastrum gallicum Brassicaceae GARDEN ROCKET E 428 5 Erysimum capitatum var. capitatum Brassicaceae WESTERN WALLFLOWER N 0 2 Erysimum cheiranthoides Brassicaceae WORMSEED MUSTARD E 432 17 Erysimum repandum Brassicaceae TREACLE MUSTARD E 432 14 Erythronium albidum Liliaceae WHITE FAWN LILY, WHITE TROUT LILY N 236 13 Erythronium americanum ssp. americanum Liliaceae YELLOW TROUT LILY, YELLOW FAWN LILY, TROUT LILY N 236 41 Erythronium umbilicatum ssp. umbilicatum Liliaceae UMBILICATE TROUT LILY, DIMPLED TROUT LILY N 236 20 Euonymus alata Celastraceae WINGED EUONYMUS, WINGED SPINDLETREE E 612 14 Euonymus americana Celastraceae STRAWBERRY BUSH, BURSTING HEART N 612 29 Euonymus atropurpurea var. atropurpurea Celastraceae BURNING BUSH, WAHOO N 612 38 Euonymus europaea Celastraceae EUROPEAN SPINDLETREE E 0 2 Euonymus fortunei Celastraceae WINTER CREEPER E 0 12 Euonymus japonica Celastraceae JAPANESE SPINDLETREE E 0 1 Eupatorium album var. album Asteraceae WHITE THOROUGHWORT N 919 3 Eupatorium album var. glandulosum Asteraceae WHITE THOROUGHWORT N 919 3 Eupatorium altissimum Asteraceae TALL THOROUGHWORT N 919 29 Eupatorium capillifolium Asteraceae DOG‐FENNEL N 0 1 Eupatorium dubium Asteraceae THREE‐NERVED JOE‐PYE WEED A 0 1 Eupatorium fistulosum Asteraceae COMMON JOE‐PYE WEED, HOLLOW JOE‐PYE WEED N 919 46 Eupatorium godfreyanum Asteraceae GODFREY'S THOROUGHWORT N 0 14 Eupatorium hyssopifolium var. hyssopifolium Asteraceae HYSSOPLEAF THOROUGHWORT N 919 3 Eupatorium hyssopifolium var. laciniatum Asteraceae HYSSOPLEAF THOROUGHWORT N 919 3 Eupatorium leucolepis var. leucolepis Asteraceae WHITE THOROUGHWORT N 0 1 Eupatorium maculatum var. maculatum Asteraceae MOTTLED JOE‐PYE WEED N 919 4 Eupatorium perfoliatum var. perfoliatum Asteraceae BONESET N 920 37 Eupatorium pilosum Asteraceae VERVAIN THOROUGHWORT N 920 11 Eupatorium purpureum var. purpureum Asteraceae WIDE‐LEAVED JOE‐PYE WEED, SWEET JOE‐PYE WEED N 919 39 Eupatorium rotundifolium var. ovatum Asteraceae HAIRY THOROUGHWORT N 920 30 Eupatorium saltuense Asteraceae TALL THOROUGHWORT N 0 1 Eupatorium serotinum Asteraceae LATE‐FLOWERING THOROUGHWORT N 920 37 Eupatorium sessilifolium var. brittonianum Asteraceae UPLAND BONESET N 920 1 Eupatorium sessilifolium var. sessilifolium Asteraceae UPLAND BONESET N 920 23 Eupatorium sessilifolium var. vaseyi Asteraceae UPLAND BONESET N 920 2 Eupatorium ×truncatum Asteraceae THOROUGHWORT N 0 1 Euphorbia commutata Euphorbiaceae WOOD SPURGE N 600 14 Euphorbia corollata Euphorbiaceae FLOWERING SPURGE N 600 48 Euphorbia cyparissias Euphorbiaceae CYPRESS SPURGE, GRAVEYARD WEED E 598 18 Euphorbia davidii Euphorbiaceae DAVID'S SPURGE E 0 4 Euphorbia dentata var. dentata Euphorbiaceae TOOTHED SPURGE N 598 20 Euphorbia esula var. esula Euphorbiaceae LEAFY SPURGE E 598 2 Euphorbia exigua Euphorbiaceae LITTLE SPURGE E 598 3 Euphorbia falcata Euphorbiaceae FALCATE SPURGE E 600 3 Euphorbia lathyris Euphorbiaceae CAPER SPURGE, MOLE PLANT, WOLF'S‐MILK E 600 11 Euphorbia marginata Euphorbiaceae SNOW‐ON‐THE‐ MOUNTAIN I 600 10 Euphorbia peplus Euphorbiaceae PETTY SPURGE E 600 1 Euphorbia pubentissima Euphorbiaceae SPURGE N 600 5 Euphorbia purpurea Euphorbiaceae GLADE SPURGE N 598 5 Euphorbia spathulata Euphorbiaceae BLUNT‐LEAVED SPURGE N 598 17 Eurybia chlorolepis Asteraceae MOUNTAIN WOOD ASTER N 0 16 Eurybia divaricata Asteraceae WHITE WOOD ASTER N 944 44 Eurybia macrophylla Asteraceae BIGLEAF ASTER N 944 34 Eurybia radula Asteraceae LOW ROUGH ASTER N 950 11 Eurybia schreberi Asteraceae SCHREBER'S ASTER N 944 21 X Euthamia graminifolia var. graminifolia Asteraceae GRASS‐LEAVED GOLDENROD N 942 40 Fagopyrum esculentum Polygonaceae BUCKWHEAT E 340 15 Fagopyrum tataricum Polygonaceae INDIA‐WHEAT E 340 2 Fagus grandifolia Fagaceae AMERICAN BEECH N 290 48 Falcaria vulgaris Apiaceae SICKLEWEED E 690 1 Festuca heterophylla Poaceae VARIOUS‐LEAF FESCUE E 0 1 Festuca rubra ssp. rubra Poaceae RED FESCUE N 138 20 Festuca subverticillata Poaceae NODDING FESCUE N 140 35 Festuca trachyphylla Poaceae HARD FESCUE E 140 10 Filago vulgaris Asteraceae HERBA IMPIA E 958 8 Filipendula rubra Rosaceae QUEEN‐OF‐THE‐PRAIRIE I 496 9 Filipendula ulmaria ssp. ulmaria Rosaceae QUEEN‐OF‐THE‐ MEADOW E 496 1 Fimbristylis annua Cyperaceae ANNUAL FIMBRY A 0 2 Fimbristylis autumnalis Cyperaceae SLENDER FIMBRY N 160 25 Fleischmannia incarnata Asteraceae PINK SLENDER THOROUGHWORT N 922 8 Floerkea proserpinacoides Limnanthaceae FALSE MERMAID WEED N 604 20 Foeniculum vulgare Apiaceae FENNEL E 694 2 Forsythia suspensa Oleaceae FORSYTHIA, GOLDEN BELLS E 0 4 Forsythia viridissima Oleaceae GREEN‐STEM FORSYTHIA E 0 6 Fragaria vesca Rosaceae WOODLAND STRAWBERRY E 492 18 Fragaria virginiana ssp. virginiana Rosaceae VIRGINIA STRAWBERRY N 490 41 Fragaria ×ananassa var. ananassa Rosaceae COMMON GARDEN STRAWBERRY I 490 2 Frangula alnus Rhamnaceae EUROPEAN ALDER‐BUCKTHORN, GLOSSY BUCKTHORN E 0 7 Fraxinus americana Oleaceae WHITE ASH, BILTMORE ASH N 740 49 Fraxinus nigra Oleaceae BLACK ASH N 740 9 Fraxinus pennsylvanica Oleaceae RED ASH, GREEN ASH N 740 26 Fraxinus quadrangulata Oleaceae BLUE ASH N 740 3 Froelichia gracilis Amaranthaceae COTTONWEED A 350 2 Fumaria officinalis ssp. officinalis Fumariaceae FUMITORY E 414 2 Galactia volubilis Fabaceae DOWNY MILK PEA N 574 8 Galax urceolata Diapensiaceae GALAX N 726 11 Galearis spectabilis Orchidaceae SHOWY ORCHIS N 260 36 Galeopsis bifida Lamiaceae HEMP NETTLE E 806 8 Galinsoga parviflora Asteraceae SMOOTH GALINSOGA E 996 6 Galinsoga quadriradiata Asteraceae DEVIL'S DELIGHT, RACEWEED E 994 43 Galium aparine Rubiaceae COMMON BEDSTRAW, CLEAVERS N 880 42 Galium asprellum Rubiaceae ROUGH BEDSTRAW N 884 18 Galium boreale Rubiaceae NORTHERN BEDSTRAW N 882 6 Galium circaezans var. circaezans Rubiaceae WILD LIQUORICE N 882 28 Galium circaezans var. hypomalacum Rubiaceae WILD LIQUORICE N 882 27 Galium concinnum Rubiaceae SHINING BEDSTRAW N 884 19 Galium divaricatum Rubiaceae PARIS BEDSTRAW E 884 3 Galium lanceolatum Rubiaceae LANCELEAF WILD LIQUORICE N 882 26 Galium latifolium Rubiaceae PURPLE BEDSTRAW N 882 18 Galium mollugo Rubiaceae WHITE BEDSTRAW E 882 29 Galium obtusum ssp. obtusum Rubiaceae STIFF MARSH BEDSTRAW N 884 15 Galium palustre Rubiaceae MARSH BEDSTRAW A 884 2 Galium pilosum var. pilosum Rubiaceae HAIRY BEDSTRAW N 882 29 Galium pilosum var. puncticulosum Rubiaceae HAIRY BEDSTRAW N 0 1 Galium tinctorium Rubiaceae CLAYTON'S BEDSTRAW N 884 25 Galium triflorum Rubiaceae SWEET‐SCENTED BEDSTRAW N 880 42 Galium verum Rubiaceae YELLOW BEDSTRAW E 882 21 Gamochaeta purpurea Asteraceae PURPLISH CUDWEED N 962 29 Gaultheria hispidula Ericaceae CREEPING SNOWBERRY N 718 7 Gaultheria procumbens Ericaceae TEABERRY, WINTERGREEN, MOUNTAINTEA N 718 47 Gaura biennis Onagraceae GAURA N 674 31 Gaylussacia baccata Ericaceae BLACK HUCKLEBERRY N 720 32 Gaylussacia brachycera Ericaceae BOX HUCKLEBERRY, JUNIPER BERRY N 720 4 Gaylussacia dumosa Ericaceae DWARF HUCKLEBERRY N 720 3 Gentiana alba Gentianaceae YELLOW GENTIAN N 746 3 Gentiana andrewsii var. andrewsii Gentianaceae BOTTLE GENTIAN N 744 12 Gentiana austromontana Gentianaceae SOUTHERN MOUNTAIN GENTIAN N 744 7 Gentiana clausa Gentianaceae CLOSED GENTIAN N 746 18 Gentiana decora Gentianaceae SHOWY GENTIAN N 744 7 Gentiana linearis Gentianaceae NARROWLEAF GENTIAN N 746 5 Gentiana saponaria var. saponaria Gentianaceae SOAPWORT GENTIAN N 746 12 Gentiana villosa Gentianaceae SAMPSON'S SNAKEROOT N 746 11 Gentianella quinquefolia ssp. quinquefolia Gentianaceae FIVE‐FLOWERED GENTIAN, AGUE‐WEED N 744 10 Gentianopsis crinita Gentianaceae FRINGED GENTIAN N 744 1 Geranium bicknellii Geraniaceae BICKNELL'S CRANESBILL N 586 15 Geranium carolinianum var. carolinianum Geraniaceae CAROLINA CRANESBILL N 586 31 Geranium columbinum Geraniaceae LONG‐STALKED CRANESBILL, DOVE'S FOOT E 584 31 Geranium dissectum Geraniaceae CRANESBILL E 586 1 Geranium maculatum Geraniaceae WILD CRANESBILL, WILD GERANIUM N 584 52 Geranium molle Geraniaceae DOVE'S FOOT CRANESBILL E 586 14 Geranium pusillum Geraniaceae SMALL‐FLOWERED CRANESBILL E 586 9 Geranium robertianum Geraniaceae HERB ROBERT N 586 4 Geum aleppicum Rosaceae YELLOW AVENS N 498 7 Geum canadense var. canadense Rosaceae WHITE AVENS N 496 45 Geum laciniatum var. laciniatum Rosaceae ROUGH AVENS N 498 12 Geum rivale Rosaceae PURPLE AVENS N 498 4 Geum vernum Rosaceae SPRING AVENS N 498 25 Geum virginianum Rosaceae VIRGINIA AVENS N 496 20 Gilia capitata ssp. capitata Polemoniaceae BLUE‐HEAD GILY‐FLOWER N 0 1 Ginkgo biloba Ginkgoaceae GINKGO, MAINDENHAIR TREE E 0 2 Glandularia canadensis Verbenaceae ROSE VERVAIN I 788 2 X Glechoma hederacea Lamiaceae GROUND‐IVY E 802 54 Gleditsia triacanthos Fabaceae HONEYLOCUST N 542 32 Glyceria acutiflora Poaceae MANNAGRASS N 138 7 Glyceria canadensis Poaceae RATTLESNAKE MANNAGRASS N 136 13 Glyceria grandis var. grandis Poaceae AMERICAN MANNAGRASS N 136 3 Glyceria laxa Poaceae MANNAGRASS N 136 6 Glyceria melicaria Poaceae MANNAGRASS N 136 13 Glyceria septentrionalis Poaceae EASTERN MANNAGRASS N 138 12 Glyceria striata Poaceae FOWL MANNAGRASS N 136 39 Glycine max Fabaceae SOYBEAN E 0 1 Gnaphalium uliginosum Asteraceae LOW CUDWEED N 962 20 Goodyera pubescens Orchidaceae DOWNY RATTLESNAKE PLANTAIN N 268 55 Goodyera repens Orchidaceae LESSER RATTLESNAKE PLANTAIN, DWARF RATTLESNAK N 268 7 Gratiola neglecta Scrophulariaceae CLAMMY HEDGE‐HYSSOP N 848 26 Gratiola virginiana var. virginiana Scrophulariaceae ROUND‐FRUITED HEDGE‐HYSSOP N 850 11 Gymnocarpium appalachianum Dryopteridaceae APPALACHIAN OAK FERN N 0 6 Gymnocarpium dryopteris Dryopteridaceae OAK FERN N 22 6 Gymnocladus dioicus Fabaceae KENTUCKY COFFEETREE, KENTUCKY MAHOGANY N 541 13 Gymnopogon ambiguus Poaceae BEARGRASS A 1043 1 Gypsophila elegans Caryophyllaceae BABY'S BREATH E 0 1 Hackelia virginiana Boraginaceae BEGGAR'S‐LICE N 784 30 Halesia tetraptera var. monticola Styracaceae MOUNTAIN SILVERBELL N 0 3 Halesia tetraptera var. tetraptera Styracaceae MOUNTAIN SILVERBELL N 738 7 Hamamelis virginiana Hamamelidaceae WITCH‐HAZEL N 460 49 Hasteola suaveolens Asteraceae SWEET INDIAN PLANTAIN N 1002 14 Hedeoma hispida Lamiaceae ROUGH PENNYROYAL A 814 2 Hedeoma pulegioides Lamiaceae AMERICAN PENNYROYAL N 814 50 Hedera helix Araliaceae ENGLISH IVY E 0 11 Helenium autumnale var. autumnale Asteraceae YELLOW SNEEZEWEED N 996 28 Helenium flexuosum Asteraceae PURPLE SNEEZEWEED N 996 29 Helianthemum bicknellii Cistaceae BICKNELL'S FROSTWEED N 0 2 Helianthemum canadense Cistaceae FROSTWEED N 642 3 Helianthemum propinquum Cistaceae FROSTWEED N 0 1 Helianthus angustifolius Asteraceae NARROWLEAF SUNFLOWER I 978 2 Helianthus annuus Asteraceae COMMON SUNFLOWER I 978 12 Helianthus debilis ssp. cucumerifolius Asteraceae SUNFLOWER A 978 1 Helianthus decapetalus Asteraceae THINLEAVED SUNFLOWER N 982 38 Helianthus divaricatus Asteraceae WOODLAND SUNFLOWER N 980 32 Helianthus giganteus Asteraceae GIANT SUNFLOWER A 984 20 Helianthus grosseserratus Asteraceae SAWTOOTH SUNFLOWER A 984 7 Helianthus hirsutus Asteraceae HIRSUTE SUNFLOWER N 980 10 Helianthus laevigatus Asteraceae SMOOTH SUNFLOWER N 982 8 Helianthus maximiliani Asteraceae MAXIMILIAN'S SUNFLOWER I 980 1 Helianthus microcephalus Asteraceae SMALL‐HEADED SUNFLOWER N 982 32 Helianthus mollis Asteraceae GRAY SUNFLOWER I 980 3 Helianthus occidentalis ssp. occidentalis Asteraceae WESTERN SUNFLOWER, MCDOWELL'S SUNFLOWER N 980 4 Helianthus strumosus Asteraceae PALE‐LEAVED SUNFLOWER N 982 18 Helianthus tuberosus Asteraceae JERUSALEM ARTICHOKE, GIRASOL N 982 36 Helianthus ×glaucus Asteraceae SUNFLOWER N 0 5 Helianthus ×laetiflorus Asteraceae SHOWY SUNFLOWER A 978 10 Heliopsis helianthoides var. helianthoides Asteraceae OX‐EYE DAISY N 972 28 Heliopsis helianthoides var. scabra Asteraceae ROUGH OX‐EYE DAISY N 972 15 Heliotropium europaeum Boraginaceae EUROPEAN HELIOTROPE E 0 1 Heliotropium indicum Boraginaceae INDIAN HELIOTROPE E 778 1 Heliotropium tenellum Boraginaceae PASTURE HELIOTROPE N 0 1 Helleborus viridis Ranunculaceae FALSE GREEN HELLEBORE, GREEN HELLEBORE, CHRISTME 396 9 Hemerocallis fulva Liliaceae COMMON DAY LILY E 232 28 Hemerocallis lilioasphodelus Liliaceae YELLOW DAY LILY E 232 6 X Hepatica nobilis var. acuta Ranunculaceae SHARP‐LOBED HEPATICA N 390 41 Hepatica nobilis var. obtusa Ranunculaceae ROUND‐LOBED HEPATICA N 390 33 Heracleum maximum Apiaceae COW PARSNIP N 698 18 Hesperis matronalis Brassicaceae DAME'S ROCKET, MOTHER‐OF‐THE‐EVENING E 430 33 Heteranthera dubia Pontederiaceae MUD‐PLANTAIN N 212 13 Heteranthera reniformis Pontederiaceae KIDNEYLEAF MUD‐PLANTAIN N 212 7 Heuchera alba Saxifragaceae WHITE‐FLOWERED HEUCHERA, WHITE‐FLOWERED ALUN 452 8 Heuchera americana var. americana Saxifragaceae ALUMROOT N 452 40 Heuchera americana var. hispida Saxifragaceae ROUGH ALUMROOT, ROUGH HEUCHERA N 452 8 Heuchera longiflora Saxifragaceae LONG‐FLOWERED ALUMROOT N 454 8 Heuchera parviflora var. parviflora Saxifragaceae SMALL‐FLOWERED HEUCHERA, SMALL‐FLOWERED ALUN 452 12 Heuchera pubescens Saxifragaceae DOWNY HEUCHERA, DOWNY ALUMROOT N 452 14 Heuchera villosa var. villosa Saxifragaceae HAIRY HEUCHERA, HAIRY ALUMROOT N 452 17 Hexalectris spicata var. spicata Orchidaceae CRESTED CORALROOT, SPIKED CRESTED CORALROOT N 272 4 Hexastylis heterophylla Aristolochiaceae HEARTLEAF N 322 5 Hexastylis shuttleworthii var. shuttleworthii Aristolochiaceae LARGE‐FLOWERED HEARTLEAF N 322 10 Hexastylis virginica Aristolochiaceae COLTSFOOT N 322 27 Hibiscus laevis Malvaceae HALBERD‐LEAVED ROSE MALLOW N 636 5 Hibiscus moscheutos ssp. moscheutos Malvaceae SWAMP ROSE MALLOW N 636 23 Hibiscus syriacus Malvaceae ROSE‐OF‐SHARON, SHRUBBY ALTHEA E 636 10 Hibiscus trionum Malvaceae FLOWER‐OF‐AN‐HOUR E 636 14 Hieracium aurantiacum Asteraceae ORANGE HAWKWEED, DEVIL'S PAINTBRUSH E 1024 10 Hieracium caespitosum Asteraceae FIELD HAWKWEED E 1026 41 Hieracium greenii Asteraceae GREEN'S HAWKWEED N 1026 11 Hieracium gronovii Asteraceae HAIRY HAWKWEED N 1028 29 Hieracium lachenalii Asteraceae COMMON HAWKWEED E 0 1 Hieracium marianum Asteraceae MARYLAND HAWKWEED N 1026 9 Hieracium paniculatum Asteraceae PANICLED HAWKWEED N 1026 24 Hieracium pilosella var. pilosella Asteraceae MOUSE‐EAR HAWKWEED E 1024 21 Hieracium piloselloides Asteraceae KING DEVIL E 0 1 Hieracium praealtum var. decipiens Asteraceae KING DEVIL E 0 2 Hieracium scabrum var. scabrum Asteraceae ROUGH HAWKWEED N 1026 33 Hieracium scribneri Asteraceae SCRIBNER'S HAWKWEED N 0 3 Hieracium umbellatum Asteraceae NARROW‐LEAF HAWKWEED A 0 1 Hieracium venosum Asteraceae RATTLESNAKE‐WEED N 1026 46 Hieracium ×alleghaniense Asteraceae HAWKWEED N 1026 1 Hieracium ×floribundum Asteraceae SMOOTH HAWKWEED E 1026 17 Hierochloe hirta ssp. arctica Poaceae HOLY GRASS, SWEETGRASS N 100 5 Holcus lanatus Poaceae VELVET GRASS E 116 39 Holosteum umbellatum Caryophyllaceae JAGGED CHICKWEED E 366 7 Hordeum jubatum ssp. jubatum Poaceae SQUIRREL‐TAIL GRASS, FOXTAIL BARLEY I 146 16 Hordeum pusillum Poaceae LITTLE BARLEY N 0 2 Hordeum vulgare Poaceae BARLEY E 0 4 Hosta ventricosa Liliaceae PLANTAIN‐LILY E 0 7 Hottonia inflata Primulaceae AMERICAN FEATHERFOIL N 736 1 Houstonia caerulea Rubiaceae BLUETS, QUAKER LADIES, INNOCENCE N 888 47 Houstonia canadensis Rubiaceae CANADA BLUETS N 890 5 Houstonia longifolia Rubiaceae SUMMER BLUETS N 890 37 Houstonia purpurea Rubiaceae LARGE SUMMER BLUETS N 888 14 Houstonia serpyllifolia Rubiaceae THYME‐LEAVED BLUETS N 888 11 Hudsonia tomentosa var. tomentosa Cistaceae FALSE HEATHER, WOOLLY HUDSONIA N 642 1 Humulus japonicus Cannabaceae JAPANESE HOP E 314 15 Humulus lupulus var. lupuloides Cannabaceae COMMON HOP N 314 12 Humulus lupulus var. lupulus Cannabaceae COMMON HOP N 314 2 Huperzia lucidula Lycopodiaceae SHINING CLUBMOSS N 4 36 Huperzia porophila Lycopodiaceae ROCK CLUBMOSS N 4 3 Hybanthus concolor Violaceae GREEN VIOLET N 644 37 Hydrangea arborescens Hydrangeaceae WILD HYDRANGEA N 456 54 Hydrangea paniculata Hydrangeaceae ASIAN HYDRANGEA E 0 4 Hydrastis canadensis Ranunculaceae GOLDENSEAL N 400 32 Hydrilla verticillata Hydrocharitaceae HYDRILLA, WATER‐THYME E 0 2 Hydrocotyle americana Apiaceae AMERICAN WATER‐PENNYWORT N 684 15 Hydrocotyle ranunculoides Apiaceae FLOATING WATER‐PENNYWORT N 683 4 Hydrocotyle sibthorpioides Apiaceae LAWN WATER‐PENNYWORT E 684 5 Hydrophyllum appendiculatum Hydrophyllaceae APPENDAGED WATERLEAF N 774 12 Hydrophyllum canadense Hydrophyllaceae BROAD‐LEAVED WATERLEAF N 774 33 Hydrophyllum macrophyllum Hydrophyllaceae LARGE‐LEAVED WATERLEAF N 772 13 Hydrophyllum virginianum Hydrophyllaceae VIRGINIA WATERLEAF, SHAWNEE SALAD SHAWNY N 772 33 Hylotelephium erythrostictum Crassulaceae GARDEN ANNUAL STONECROP E 0 3 Hylotelephium telephioides Crassulaceae WILD LIVEFOREVER N 444 17 Hylotelephium telephium ssp. telephium Crassulaceae LIVEFOREVER, WITCH'S MONEYBAGS E 444 9 Hypericum adpressum Clusiaceae CREEPING ST. JOHN'S‐WORT N 639 1 Hypericum ascyron Clusiaceae ST. JOHN'S‐WORT A 0 1 Hypericum boreale Clusiaceae ST. JOHN'S‐WORT N 639 1 Hypericum canadense Clusiaceae LESSER CANADIAN ST. JOHN'S‐WORT N 640 13 X Hypericum densiflorum Clusiaceae GLADE ST. JOHN'S‐WORT N 639 20 Hypericum dissimulatum Clusiaceae DISGUISED ST. JOHN'S‐WORT N 0 1 Hypericum drummondii Clusiaceae DRUMMOND ST. JOHN'S‐WORT N 640 4 Hypericum ellipticum Clusiaceae ELLIPTIC‐LEAF ST. JOHN'S‐WORT N 639 11 Hypericum gentianoides Clusiaceae ORANGEGRASS, PINEWEED N 640 22 Hypericum hypericoides ssp. hypericoides Clusiaceae ST. ANDREW'S CROSS N 638 1 Hypericum hypericoides ssp. multicaule Clusiaceae ST. ANDREW'S CROSS N 638 38 Hypericum mitchellianum Clusiaceae BLUE RIDGE ST. JOHN'S‐WORT N 639 2 X Hypericum mutilum Clusiaceae SMALL‐FLOWERED ST. JOHN'S‐WORT N 639 42 Hypericum perforatum Clusiaceae COMMON ST. JOHN'S‐WORT E 639 39 Hypericum prolificum Clusiaceae SHRUBBY ST. JOHN'S‐WORT N 639 31 Hypericum punctatum Clusiaceae DOTTED ST. JOHN'S‐WORT N 639 46 Hypericum virgatum Clusiaceae SHARP‐LEAF ST. JOHN'S‐WORT, COPPERY ST. JOHN'S‐WN 639 4 Hypochaeris glabra Asteraceae SMOOTH CAT'S‐EAR E 1014 1 Hypochaeris radicata Asteraceae CAT'S‐EAR E 1014 23 Hypoxis hirsuta Liliaceae YELLOW STARGRASS N 250 38 Iberis amara Brassicaceae ANNUAL CANDYTUFT E 0 1 Ilex ambigua Aquifoliaceae MOUNTAIN HOLLY N 610 6 Ilex collina Aquifoliaceae LONG‐STALKED HOLLY N 610 5 Ilex montana Aquifoliaceae MOUNTAIN HOLLY N 610 18 X Ilex opaca var. opaca Aquifoliaceae AMERICAN HOLLY N 610 32 X Ilex verticillata Aquifoliaceae WINTERBERRY HOLLY N 610 25 Impatiens balsamina Balsaminaceae GARDEN BALSAM E 622 3 X Impatiens capensis Balsaminaceae SPOTTED TOUCH‐ME‐NOT, JEWELWEED N 622 54 Impatiens pallida Balsaminaceae PALE TOUCH‐ME‐NOT, JEWELWEED N 622 48 Inula helenium Asteraceae ELECAMPANE N 964 13 Iodanthus pinnatifidus Brassicaceae PURPLE ROCKET N 434 6 Ionactis linariifolius Asteraceae STIFF ASTER N 954 16 Ipomoea coccinea Convolvulaceae RED MORNING‐GLORY E 760 10 Ipomoea hederacea Convolvulaceae IVY‐LEAVED MORNING‐GLORY E 760 23 Ipomoea lacunosa Convolvulaceae SMALL‐FLOWERED MORNING‐GLORY N 760 4 Ipomoea pandurata Convolvulaceae WILD SWEET POTATO, WILD POTATO VINE N 760 35 Ipomoea purpurea Convolvulaceae MORNING‐GLORY E 760 25 Iris cristata Iridaceae CRESTED DWARF IRIS N 254 29 Iris prismatica Iridaceae SLENDER BLUE IRIS I 0 2 Iris pseudacorus Iridaceae YELLOW IRIS E 254 23 Iris verna var. smalliana Iridaceae SPRING IRIS, DWARF IRIS N 254 11 Iris versicolor Iridaceae BLUE IRIS, NORTHERN BLUE FLAG A 0 5 Iris virginica var. shrevei Iridaceae VIRGINIA BLUE IRIS N 254 16 Isanthus brachiatus Lamiaceae FALSE PENNYROYAL N 792 21 Isatis tinctoria Brassicaceae DYER'S WOAD E 424 4 Isotria medeoloides Orchidaceae SMALL WHORLED POGONIA N 0 1 Isotria verticillata Orchidaceae WHORLED POGONIA N 264 28 Isoëtes engelmannii Isoëtaceae ENGLEMANN'S QUILLWORT N 8 15 Isoëtes riparia var. riparia Isoëtaceae SHORE QUILLWORT N 0 1 Isoëtes valida Isoëtaceae TRUE QUILLWORT N 0 1 Iva annua var. annua Asteraceae ROUGH MARSH‐ELDER A 0 2 Jeffersonia diphylla Berberidaceae TWINLEAF N 402 38 Juglans ailanthifolia Juglandaceae JAPANESE WALNUT E 0 1 Juglans cinerea Juglandaceae BUTTERNUT N 288 39 Juglans nigra Juglandaceae BLACK WALNUT N 288 42 Juncus acuminatus Juncaceae KNOTTY‐LEAF RUSH N 218 32 Juncus articulatus Juncaceae JOINT‐LEAF RUSH N 218 9 Juncus balticus var. littoralis Juncaceae BALTIC RUSH N 216 1 Juncus biflorus Juncaceae BOG RUSH N 218 8 Juncus brachycarpus Juncaceae WHITE‐ROOT RUSH N 218 1 Juncus brevicaudatus Juncaceae NARROW‐PANICLE RUSH N 216 17 Juncus bufonius var. bufonius Juncaceae TOAD RUSH N 214 8 Juncus canadensis Juncaceae CANADIAN RUSH N 216 14 Juncus dichotomus Juncaceae FORKED RUSH N 214 8 Juncus diffusissimus Juncaceae SLIM‐ROD RUSH N 218 11 Juncus dudleyi Juncaceae DUDLEY'S RUSH N 214 17 var? Juncus effusus var. conglomeratus Juncaceae COMMON RUSH, LAMP RUSH N 216 1 var? Juncus effusus var. pylaei Juncaceae COMMON RUSH, LAMP RUSH N 216 5 var? Juncus effusus var. solutus Juncaceae COMMON RUSH, LAMP RUSH N 216 43 Juncus filiformis Juncaceae THREAD RUSH N 214 2 Juncus marginatus Juncaceae GRASS‐LEAF RUSH N 218 23 Juncus nodosus var. nodosus Juncaceae KNOTTED RUSH N 216 9 Juncus scirpoides Juncaceae NEEDLE‐POD RUSH N 218 4 Juncus secundus Juncaceae LOPSIDED RUSH N 214 9 Juncus subcaudatus var. subcaudatus Juncaceae WOODLAND RUSH N 216 18 Juncus tenuis Juncaceae PATH RUSH, YARD RUSH, WIREGRASS N 214 42 Juncus torreyi Juncaceae TORREY'S RUSH N 216 12 Juncus trifidus Juncaceae HIGHLAND RUSH N 0 1 Juniperus communis var. depressa Cupressaceae COMMON JUNIPER A 50 4 Juniperus virginiana var. virginiana Cupressaceae RED CEDAR N 50 40 Justicia americana Acanthaceae WATER‐WILLOW N 872 42 Kalmia angustifolia Ericaceae SHEEP LAUREL N 714 1 Kalmia latifolia Ericaceae MOUNTAIN LAUREL N 714 42 Kickxia elatine Scrophulariaceae SHARP‐POINTED TOADFLAX E 840 9 Knautia arvensis Dipsacaceae BLUEBUTTONS E 904 4 Koelreuteria paniculata Sapindaceae GOLDEN‐RAIN TREE E 0 4 Krigia biflora var. biflora Asteraceae CYNTHIA N 1014 26 Krigia caespitosa Asteraceae DWARF DANDELION A 0 1 Krigia virginica Asteraceae DWARF DANDELION N 1014 11 Kummerowia stipulacea Fabaceae KOREAN BUSHCLOVER E 568 32 Kummerowia striata Fabaceae JAPAN BUSHCLOVER E 566 21 Kyllinga pumila Cyperaceae LOW KYLLINGA N 156 18 Lablab purpureus Fabaceae HYACINTH BEAN E 574 2 Lactuca biennis Asteraceae TALL BLUE LETTUCE N 1020 25 Lactuca canadensis Asteraceae WILD LETTUCE, HORSE‐WEED, DEVILWEED N 1020 43 Lactuca floridana var. floridana Asteraceae FLORIDA BLUE LETTUCE N 1020 33 Lactuca hirsuta Asteraceae HIRSUTE LETTUCE N 1020 3 Lactuca saligna Asteraceae WILLOW LETTUCE E 1020 28 Lactuca serriola Asteraceae PRICKLY LETTUCE, COMPASS PLANT E 1018 27 Lamium amplexicaule Lamiaceae HENBIT E 806 30 Lamium maculatum Lamiaceae SPOTTED HENBIT E 808 5 Lamium purpureum var. purpureum Lamiaceae PURPLE DEAD‐NETTLE E 806 35 Laportea canadensis Urticaceae WOOD NETTLE N 318 37 Lappula squarrosa Boraginaceae STICKSEED E 784 1 Lapsana communis Asteraceae NIPPLEWORT E 1012 17 Larix decidua Pinaceae EUROPEAN LARCH E 0 3 Larix laricina Pinaceae AMERICAN LARCH, LARCH, TAMARACK N 46 2 Larix leptolepis Pinaceae JAPANESE LARCH E 0 1 Lathyrus latifolius Fabaceae EVERLASTING PEA, PERENNIAL PEA E 570 26 Lathyrus odoratus Fabaceae SWEET PEA E 570 2 Lathyrus palustris Fabaceae VETCHLING N 570 4 Lathyrus sylvestris Fabaceae PERENNIAL PEA, WOOD VETCHLING E 570 3 Lathyrus tuberosus Fabaceae TUBEROUS VETCHLING E 570 1 Lathyrus venosus Fabaceae VEINY PEAVINE N 570 13 Lechea minor Cistaceae THYME‐LEAF PINWEED N 0 1 Lechea mucronata Cistaceae PINWEED A 1046 2 Lechea pulchella var. pulchella Cistaceae PINWEED A 0 1 Lechea racemulosa Cistaceae PINWEED N 644 26 Lechea tenuifolia Cistaceae PINWEED N 642 4 sp? Leersia oryzoides Poaceae RICE CUTGRASS N 98 39 sp? Leersia virginica Poaceae WHITE GRASS N 98 33 Lemna minor Lemnaceae LEAST DUCKWEED N 208 12 Lemna minuta Lemnaceae LEAST DUCKWEED N 208 5 Lemna perpusilla Lemnaceae DUCKWEED N 0 1 Lemna valdiviana Lemnaceae VALDIVIA DUCKWEED, PALE DUCKWEED N 208 15 Leontodon autumnalis ssp. autumnalis Asteraceae FALL DANDELION E 1014 2 Leonurus cardiaca ssp. cardiaca Lamiaceae MOTHERWORT E 806 31 Leonurus sibiricus Lamiaceae HONEYWEED E 0 1 Lepidium campestre Brassicaceae FIELD CRESS E 422 45 Lepidium densiflorum var. densiflorum Brassicaceae DENSE PEPPERGRASS I 422 26 Lepidium perfoliatum Brassicaceae CLASPING PEPPERWEED E 1046 1 Lepidium ruderale Brassicaceae STINKING PEPPERWEED E 0 2 Lepidium virginicum var. virginicum Brassicaceae WILD PEPPERGRASS N 422 43 Leptochloa fusca ssp. fascicularis Poaceae BEARDED SPRANGLETOP N 0 6 Lespedeza bicolor Fabaceae JAPANESE BUSHCLOVER E 564 23 Lespedeza capitata Fabaceae BUSHCLOVER N 566 6 Lespedeza cuneata Fabaceae SERICEA E 566 43 Lespedeza frutescens Fabaceae INTERMEDIATE BUSHCLOVER N 566 37 Lespedeza hirta ssp. hirta Fabaceae HAIRY BUSHCLOVER N 566 34 Lespedeza procumbens Fabaceae TRAILING BUSHCLOVER N 564 22 Lespedeza repens Fabaceae CREEPING BUSHCLOVER N 564 26 Lespedeza stuevei Fabaceae VELVETY LESPEDEZA A 566 1 Lespedeza violacea Fabaceae VIOLET BUSHCLOVER N 566 20 Lespedeza virginica Fabaceae VIRGINIA BUSHCLOVER N 566 18 Lespedeza ×nuttallii Fabaceae NUTTALL'S BUSHCLOVER N 566 9 X Leucanthemum vulgare Asteraceae OX‐EYE DAISY E 1000 55 Leucojum aestivum ssp. aestivum Liliaceae SUMMER SNOWFLAKE E 0 5 Leucospora multifida Scrophulariaceae NARROWLEAF PALESEED N 0 3 Leucothoe recurva Ericaceae RECURVED FETTERBUSH N 716 4 Liatris aspera Asteraceae ROUGH BLAZING STAR N 926 6 Liatris helleri Asteraceae HELLER'S GAYFEATHER N 0 4 Liatris pauciflora Asteraceae FEW‐FLOWER GAYFEATHER N 926 1 Liatris pilosa var. pilosa Asteraceae GRASS‐LEAVED BLAZING STAR, SHAGGY GAYFEATHER N 924 3 Liatris scariosa var. nieuwlandii Asteraceae NEW ENGLAND BLAZING STAR A 926 6 Liatris scariosa var. scariosa Asteraceae LARGE BLAZING STAR N 924 17 Liatris spheroidea Asteraceae SPHERICAL GAYFEATHER N 0 1 Liatris spicata var. resinosa Asteraceae GAY FEATHERS N 924 2 Liatris spicata var. spicata Asteraceae GAY FEATHERS N 924 10 Liatris squarrosa var. squarrosa Asteraceae BLAZING STAR A 0 1 Liatris squarrulosa Asteraceae SOUTHERN BLAZING STAR A 0 4 Ligusticum canadense Apiaceae ANGELICO, NONDO, AMERICAN LOVAGE N 694 13 Ligustrum obtusifolium Oleaceae BORDER PRIVET, REGAL PRIVET E 0 8 Ligustrum ovalifolium Oleaceae CALIFORNIA PRIVET E 0 5 Ligustrum vulgare Oleaceae PRIVET E 740 25 Lilium canadense ssp. canadense Liliaceae CANADA LILY N 234 18 Lilium canadense ssp. editorum Liliaceae CANADA LILY N 234 9 Lilium lancifolium Liliaceae TIGER LILY E 234 6 Lilium michauxii Liliaceae CAROLINA LILY N 234 3 Lilium philadelphicum var. philadelphicum Liliaceae WOOD LILY N 234 10 Lilium superbum Liliaceae TURK'S CAP LILY N 234 22 Limnobium spongia Hydrocharitaceae AMERICAN SPONGE PLANT, AMERICAN FROG'S BIT A 0 2 Linaria maroccana Scrophulariaceae TOADFLAX E 0 1 Linaria vulgaris Scrophulariaceae TOADFLAX, BUTTER‐AND‐EGGS E 842 41 X Lindera benzoin Lauraceae SPICEBUSH, BENJAMIN‐BUSH N 412 53 Lindernia dubia var. anagallidea Scrophulariaceae LONG‐STALKED FALSE PIMPERNEL A 850 5 Lindernia dubia var. dubia Scrophulariaceae FALSE PIMPERNEL N 850 35 Linnaea borealis ssp. americana Caprifoliaceae TWINFLOWER N 894 3 Linum lewisii var. lewisii Linaceae PRAIRIE FLAX N 577 5 Linum medium var. texanum Linaceae STIFF YELLOW FLAX N 578 11 Linum perenne Linaceae BLUE FLAX E 0 1 Linum striatum Linaceae RIDGED YELLOW FLAX N 578 23 Linum sulcatum var. sulcatum Linaceae GROOVED YELLOW FLAX N 578 2 Linum usitatissimum Linaceae COMMON FLAX E 577 3 Linum virginianum Linaceae VIRGINIA YELLOW FLAX N 578 34 Liparis liliifolia Orchidaceae LILY‐LEAVED TWAYBLADE, LARGE TWAYBLADE N 272 43 Liparis loeselii Orchidaceae LOESEL'S TWAYBLADE N 272 22 Liquidambar styraciflua Hamamelidaceae SWEETGUM, REDGUM N 460 20 Liriodendron tulipifera Magnoliaceae YELLOW‐ POPLAR, TULIPTREE N 408 51 Listera cordata var. cordata Orchidaceae HEARTLEAF TWAYBLADE N 268 4 Listera smallii Orchidaceae KIDNEY‐LEAF TWAYBLADE N 268 7 Lithospermum canescens Boraginaceae ORANGE PUCCOON N 780 8 Lithospermum latifolium Boraginaceae AMERICAN GROMWELL N 780 16 Lithospermum tuberosum Boraginaceae TUBEROUS GROMWELL N 0 1 X Lobelia cardinalis Campanulaceae CARDINAL‐FLOWER N 910 33 X Lobelia inflata Campanulaceae INDIAN TOBACCO, EMETIC‐WEED N 910 50 Lobelia kalmii Campanulaceae KALM'S LOBELIA N 910 1 Lobelia puberula var. puberula Campanulaceae DOWNY LOBELIA N 910 24 Lobelia siphilitica var. siphilitica Campanulaceae GREAT BLUE LOBELIA N 910 46 Lobelia spicata var. leptostachys Campanulaceae SPIKED LOBELIA N 910 7 Lobelia spicata var. scaposa Campanulaceae SPIKED LOBELIA N 910 6 Lobelia spicata var. spicata Campanulaceae SPIKED LOBELIA N 910 5 Lobularia maritima Brassicaceae SWEET ALYSSUM E 0 1 Lolium arundinaceum Poaceae SHEEP FESCUE, KENTUCKY 31 FESCUE E 140 27 Lolium perenne ssp. multiflorum Poaceae ITALIAN RYE GRASS E 144 24 Lolium perenne ssp. perenne Poaceae PERENNIAL RYE GRASS, COMMON DARNEL E 144 24 Lolium pratense Poaceae MEADOW FESCUE E 140 36 Lonicera canadensis Caprifoliaceae FLY HONEYSUCKLE N 892 9 Lonicera dioica Caprifoliaceae SMOOTH HONEYSUCKLE N 894 9 Lonicera fragrantissima Caprifoliaceae SWEET‐BREATH‐OF‐SPRING E 0 1 Lonicera japonica Caprifoliaceae JAPANESE HONEYSUCKLE E 892 49 Lonicera maackii Caprifoliaceae AMUR HONEYSUCKLE, MAACKI'S HONEYSUCKLE E 0 23 Lonicera morrowii Caprifoliaceae MORROW'S HONEYSUCKLE E 892 47 Lonicera sempervirens var. sempervirens Caprifoliaceae TRUMPET HONEYSUCKLE I 892 7 Lonicera standishii Caprifoliaceae STANDISH'S HONEYSUCKLE E 0 1 Lonicera tatarica Caprifoliaceae TARTARIAN HONEYSUCKLE E 892 20 Lonicera xylosteum Caprifoliaceae EUROPEAN FLY HONEYSUCKLE E 0 3 Lonicera ×bella Caprifoliaceae BELL'S HONEYSUCKLE E 0 10 Lotus corniculatus Fabaceae BIRDSFOOT TREFOIL E 552 35 X Ludwigia alternifolia Onagraceae SEEDBOX N 666 39 Ludwigia decurrens Onagraceae PRIMROSE‐WILLOW N 666 8 Ludwigia grandiflora Onagraceae LARGE FLOWER PRIMROSE‐WILLOW A 666 3 Ludwigia leptocarpa Onagraceae PRIMROSE‐WILLOW N 666 6 Ludwigia palustris Onagraceae MARSH PURSLANE N 666 35 Ludwigia peploides ssp. glabrescens Onagraceae CREEPING PRIMROSE‐WILLOW A 0 6 Ludwigia polycarpa Onagraceae TOP‐POD PRIMROSE‐WILLOW A 0 1 Lunaria annua Brassicaceae ANNUAL HONESTY, MONEY‐PLANT E 0 9 Lupinus perennis ssp. perennis Fabaceae WILD LUPINE, SUNDIAL LUPINE N 546 7 Luzula acuminata var. acuminata Juncaceae HAIRY WOODRUSH N 220 25 Luzula bulbosa Juncaceae WOODRUSH N 220 5 Luzula echinata Juncaceae WOODRUSH N 220 18 Luzula multiflora ssp. multiflora var. multiflora Juncaceae COMMON WOODRUSH N 220 44 Lychnis coronaria Caryophyllaceae MULLEIN PINK E 368 5 Lycium barbarum Solanaceae MATRIMONY VINE E 834 16 Lycopodiella appressa Lycopodiaceae APPRESSED BOG CLUBMOSS N 0 2 Lycopodiella inundata Lycopodiaceae BOG CLUBMOSS N 4 10 Lycopodium annotinum Lycopodiaceae STIFF CLUBMOSS N 4 13 Lycopodium clavatum Lycopodiaceae COMMON CLUBMOSS N 6 16 Lycopodium dendroideum Lycopodiaceae GROUNDPINE N 6 20 Lycopodium digitatum Lycopodiaceae GROUNDPINE N 6 48 Lycopodium hickeyi Lycopodiaceae HICKEY'S TREE CLUBMOSS N 0 10 Lycopodium lagopus Lycopodiaceae ONE‐CONE GROUND‐PINE N 0 1 Lycopodium obscurum Lycopodiaceae TREE CLUBMOSS, GROUNDPINE N 6 17 Lycopodium tristachyum Lycopodiaceae SLENDER GROUNDPINE N 6 14 Lycopodium ×habereri Lycopodiaceae GROUNDPINE N 6 6 sp? Lycopus americanus Lamiaceae WATER HOREHOUND N 822 34 sp? Lycopus europaeus Lamiaceae GYPSYWORT E 0 2 sp? Lycopus rubellus Lamiaceae STALKED WATER HOREHOUND A 0 1 sp? Lycopus uniflorus var. uniflorus Lamiaceae NORTHERN BUGLEWEED N 822 20 sp? Lycopus virginicus Lamiaceae BUGLEWEED N 822 40 sp? Lycopus ×sherardii Lamiaceae BUGLEWEED N 822 1 Lygodium palmatum Lygodiaceae CLIMBING FERN N 14 19 Lyonia ligustrina var. ligustrina Ericaceae MALEBERRY, SEEDY BUCKBERRY, HE‐HUCKLEBERRY N 716 26 Lysimachia ciliata Primulaceae FRINGED LOOSESTRIFE N 732 44 Lysimachia clethroides Primulaceae GOOSE‐NECK YELLOW‐LOOSESTRIFE E 0 1 Lysimachia hybrida Primulaceae LOWLAND LOOSESTRIFE N 734 6 Lysimachia japonica Primulaceae JAPANESE LOOSESTRIFE, KO‐NASUBI E 732 5 Lysimachia lanceolata Primulaceae LANCE‐LEAVED LOOSESTRIFE N 732 23 Lysimachia nummularia Primulaceae MONEYWORT E 732 42 Lysimachia quadriflora Primulaceae FOUR‐FLOWERED LOOSESTRIFE N 734 4 Lysimachia quadrifolia Primulaceae WHORLED LOOSESTRIFE N 730 47 Lysimachia terrestris Primulaceae BULBOUS LOOSESTRIFE N 732 18 Lysimachia thyrsiflora Primulaceae WATER LOOSESTRIFE N 732 1 Lysimachia tonsa Primulaceae SOUTHERN LOOSESTRIFE N 732 4 Lysimachia vulgaris Primulaceae GARDEN LYSIMACHIA E 0 11 Lysimachia ×producta Primulaceae LOOSESTRIFE N 730 6 Lythrum alatum var. alatum Lythraceae WING‐ANGLED LOOSESTRIFE N 662 5 Lythrum salicaria Lythraceae SPIKED LOOSESTRIFE, PURPLE LOOSESTRIFE E 662 34 Macleaya cordata Papaveraceae PLUME POPPY E 412 1 Maclura pomifera Moraceae OSAGE‐ORANGE, HEDGEAPPLE I 312 24 Magnolia acuminata Magnoliaceae CUCUMBER TREE, CUCUMBER MAGNOLIA N 406 39 Magnolia fraseri Magnoliaceae MOUNTAIN MAGNOLIA N 408 16 Magnolia grandiflora Magnoliaceae SOUTHERN MAGNOLIA I 0 1 X Magnolia tripetala Magnoliaceae UMBRELLA MAGNOLIA N 406 25 Magnolia ×soulangiana Magnoliaceae SAUCER MAGNOLIA E 0 0 X Maianthemum canadense Liliaceae WILD LILY‐OF‐THE‐VALLEY, CANADA MAYFLOWER N 242 27 Maianthemum racemosum ssp. racemosum Liliaceae FALSE SOLOMON'S SEAL, PLUMELILY, FALSE SPIKENARDN 240 50 Maianthemum stellatum Liliaceae STAR‐FLOWERED SOLOMON'S SEAL N 240 9 Malaxis bayardii Orchidaceae BAYARD LONG'S ADDER'S MOUTH N 0 2 Malaxis unifolia Orchidaceae GREEN ADDER'S‐MOUTH N 270 23 sp? Malus angustifolia var. angustifolia Rosaceae SOUTHERN CRABAPPLE N 468 7 sp? Malus baccata Rosaceae SIBERIAN CRABAPPLE E 0 3 sp? Malus coronaria var. coronaria Rosaceae SWEET CRABAPPLE, WILD CRABAPPLE N 468 35 sp? Malus floribunda Rosaceae JAPANESE FLOWERING CRABAPPLE E 0 5 sp? Malus ioensis var. ioensis Rosaceae PRAIRIE CRABAPPLE A 0 2 sp? Malus prunifolia Rosaceae CHINESE APPLE, PEAR‐LEAF CRABAPPLE E 0 1 sp? Malus pumila Rosaceae COMMON APPLE E 468 25 Malva moschata Malvaceae MUSK MALLOW E 632 14 Malva neglecta Malvaceae COMMON MALLOW, CHEESES E 632 29 Malva sylvestris Malvaceae HIGH MALLOW E 632 4 Malva verticillata Malvaceae WHORLED MALLOW, CURLED MALLOW E 632 2 Manfreda virginica Agavaceae FALSE ALOE N 252 1 Marrubium vulgare Lamiaceae COMMON HOREHOUND E 798 15 Marshallia grandiflora Asteraceae BARBARA'S BUTTONS N 994 11 Marsilea quadrifolia Marsileaceae EUROPEAN WATER‐CLOVER E 0 3 Matelea obliqua Asclepiadaceae ANGLEPOD N 758 15 Matricaria discoidea Asteraceae PINEAPPLE WEED I 998 19 Matteuccia struthiopteris Dryopteridaceae OSTRICH FERN N 20 5 Mazus miquelii Scrophulariaceae CREEPING MAZUS E 0 4 Mazus pumilus Scrophulariaceae JAPANESE MAZUS E 848 2 Medeola virginiana Liliaceae INDIAN CUCUMBER ROOT N 244 38 Medicago lupulina Fabaceae BLACK MEDIC E 552 45 Medicago sativa ssp. sativa Fabaceae ALFALFA E 552 36 Meehania cordata Lamiaceae MEEHANIA N 800 33 Melampyrum lineare var. latifolium Scrophulariaceae COW‐WHEAT N 862 15 Melampyrum lineare var. lineare Scrophulariaceae COW‐WHEAT N 862 8 Melanthium latifolium Liliaceae BUNCH‐FLOWER N 226 5 Melanthium parviflorum Liliaceae BUNCH‐FLOWER N 226 8 Melanthium virginicum Liliaceae BUNCH‐FLOWER N 226 4 Melica mutica Poaceae TWO‐FLOWERED MELIC GRASS N 124 6 Melica nitens Poaceae THREE‐FLOWERED MELIC GRASS A 124 2 Melilotus officinalis Fabaceae YELLOW SWEETCLOVER, WHITE SWEETCLOVER E 552 52 Melissa officinalis Lamiaceae GARDEN BALM E 814 15 Melothria pendula var. pendula Cucurbitaceae CREEPING CUCUMBER, GUADELOUPE CUCUMBER N 0 1 Menispermum canadense Menispermaceae CANADA MOONSEED N 406 43 Mentha aquatica Lamiaceae WATER MINT E 1047 1 Mentha arvensis Lamiaceae WILD MINT, FIELD MINT N 826 24 Mentha spicata Lamiaceae SPEARMINT E 824 32 Mentha ×gracilis Lamiaceae SMALL‐LEAVED MINT E 826 6 Mentha ×piperita Lamiaceae PEPPERMINT E 824 40 Mentha ×rotundifolia Lamiaceae ROUNDLEAF MINT E 824 10 Mentha ×verticillata Lamiaceae WHORLED MINT E 826 2 Menyanthes trifoliata Menyanthaceae BUCKBEAN N 748 4 Menziesia pilosa Ericaceae ALLEGHENY MENZIESIA, MINNIE‐BUSH N 714 11 Mertensia virginica Boraginaceae VIRGINIA BLUEBELLS, VIRGINIA COWSLIP, ROANOKE‐BEN 784 32 X Microstegium vimineum Poaceae EULALIA, JAPANESE STILT GRASS E 0 38 Microthlaspi perfoliatum Brassicaceae PERFOLIATE PENNYCRESS E 422 10 Milium effusum var. cisatlanticum Poaceae MILLET GRASS N 102 7 sp? Mimulus alatus Scrophulariaceae WINGED MONKEY‐FLOWER N 848 22 sp? Mimulus moschatus var. moschatus Scrophulariaceae MUSKFLOWER I 848 8 sp? Mimulus ringens var. ringens Scrophulariaceae COMMON MONKEY‐FLOWER N 848 40 Minuartia groenlandica Caryophyllaceae SANDWORT A 0 2 Minuartia michauxii var. michauxii Caryophyllaceae ROCK SANDWORT N 362 5 Mirabilis nyctaginea Nyctaginaceae HEARTLEAF UMBRELLAWORT I 352 11 Miscanthus sinensis Poaceae SILVERGRASS, EULALIA E 72 20 V Mitchella repens Rubiaceae PARTRIDGE BERRY, CHECKERBERRY N 886 43 Mitella diphylla Saxifragaceae MITERWORT, BISHOP'S CAP N 454 43 Moehringia lateriflora Caryophyllaceae BLUNT‐LEAF GROVE‐SANDWORT N 0 1 Mollugo verticillata Molluginaceae CARPETWEED A 352 32 Monarda clinopodia Lamiaceae BASIL BALM N 812 46 Monarda didyma Lamiaceae BEE BALM, OSWEGO TEA N 812 20 Monarda fistulosa ssp. brevis Lamiaceae SMOKE HOLE BERGAMOT N 814 7 Monarda fistulosa ssp. fistulosa var. fistulosa Lamiaceae WILD BERGAMOT, APPALACHIAN BERGAMOT N 812 28 Monarda fistulosa ssp. fistulosa var. mollis Lamiaceae EASTERN BERGAMOT N 812 2 Monarda media Lamiaceae PURPLE BERGAMOT N 812 5 Monotropa hypopithys Monotropaceae PINESAP N 708 26 Monotropa uniflora Monotropaceae INDIAN PIPE, CORPSE PLANT N 708 36 Monotropsis odorata Monotropaceae SWEET PINESAP N 708 2 Morella cerifera Myricaceae SOUTHERN BAYBERRY I 288 1 Morus alba Moraceae WHITE MULBERRY E 312 29 Morus rubra var. rubra Moraceae RED MULBERRY N 312 42 Muhlenbergia capillaris var. capillaris Poaceae HAIRGRASS N 0 1 Muhlenbergia frondosa Poaceae WIRESTEM MUHLY N 106 23 Muhlenbergia mexicana Poaceae WIRESTEM MUHLY N 106 4 Muhlenbergia schreberi Poaceae NIMBLEWILL N 106 25 Muhlenbergia sobolifera Poaceae BRANCHED MUHLY N 106 13 Muhlenbergia sylvatica Poaceae WOODLAND MUHLY N 106 18 Muhlenbergia tenuiflora Poaceae SLENDER‐FLOWERED MUHLY N 106 16 Muscari botryoides Liliaceae GRAPE HYACINTH E 238 2 Muscari neglectum Liliaceae GRAPE FLOWER E 238 3 Myosotis arvensis Boraginaceae FIELD SCORPION‐GRASS E 784 8 Myosotis laxa Boraginaceae SMALLER FORGET‐ME‐NOT N 782 25 Myosotis macrosperma Boraginaceae LARGE‐SEED FORGET‐ME‐NOT, SCORPION‐GRASS N 784 7 Myosotis scorpioides Boraginaceae FORGET‐ME‐NOT E 782 19 Myosotis stricta Boraginaceae BLUE SCORPION‐GRASS E 0 1 Myosotis verna Boraginaceae SPRING SCORPION‐GRASS N 782 15 Myosoton aquaticum Caryophyllaceae GIANT CHICKWEED E 360 20 Myosurus minimus Ranunculaceae TINY MOUSETAIL N 0 1 Myriophyllum aquaticum Haloragaceae PARROT'S FEATHER E 678 5 Myriophyllum heterophyllum Haloragaceae WATER‐MILFOIL N 678 10 Myriophyllum pinnatum Haloragaceae WATER‐MILFOIL N 678 1 Myriophyllum spicatum Haloragaceae EUROPEAN WATER‐MILFOIL E 678 5 Myriophyllum verticillatum Haloragaceae WHORLED WATER‐MILFOIL N01 Najas flexilis Najadaceae NAIAD A 58 7 Najas gracillima Najadaceae SLENDER WATER‐NYMPH N 58 14 Najas guadalupensis ssp. guadalupensis Najadaceae SOUTHERN WATER‐NYMPH A 0 3 Najas minor Najadaceae EUTROPHIC WATER‐NYMPH E 60 18 Narcissus poeticus Liliaceae POET'S NARCISSUS E 0 2 Narcissus pseudonarcissus Liliaceae COMMON DAFFODIL I 0 17 Navarretia intertexta ssp. propinqua Polemoniaceae NEEDLE‐LEAF PINCUSHION PLANT N 0 1 Neeragrostis reptans Poaceae LOVEGRASS N 0 1 Nelumbo lutea Nelumbonaceae AMERICAN LOTUS, WATER CHINQUAPIN, WONKAPIN N 376 3 Nelumbo nucifera Nelumbonaceae LOTUS‐LILY E 0 1 Nemopanthus mucronatus Aquifoliaceae WILD HOLLY, MOUNTAIN HOLLY N 610 6 Nepeta cataria Lamiaceae CATNIP E 802 43 Nicandra physalodes Solanaceae APPLE OF PERU, SHOO‐FLY PLANT E 834 14 Nigella damascena Ranunculaceae LOVE‐IN‐A‐MIST, FENNELFLOWER E 396 2 Nuphar lutea ssp. advena Nymphaeaceae COWLILY N 376 17 Nuttallanthus canadensis Scrophulariaceae OLD‐FIELD TOADFLAX A 842 6 Nymphaea odorata ssp. odorata Nymphaeaceae FRAGRANT WATERLILY I 376 10 X Nyssa sylvatica Cornaceae BLACK GUM, SOUR GUM N 662 47 Obolaria virginica Gentianaceae PENNYWORT N 748 27 Oclemena acuminata Asteraceae MOUNTAIN ASTER N 954 11 Odontites vernus ssp. serotinus (Dumort.) Corb. Scrophulariaceae RED ODONTITES E 0 1 Oenothera argillicola Onagraceae SHALE EVENING‐PRIMROSE N 670 12 Oenothera biennis Onagraceae COMMON EVENING‐PRIMROSE, WILD BEET N 670 50 Oenothera fruticosa ssp. fruticosa Onagraceae NARROW‐LEAVED SUNDROPS N 672 11 Oenothera fruticosa ssp. glauca Onagraceae COMMON SUNDROPS N 674 23 Oenothera laciniata Onagraceae CUT‐LEAVED EVENING‐PRIMROSE N 672 15 Oenothera parviflora Onagraceae NORTHERN EVENING‐PRIMROSE N 670 21 Oenothera perennis Onagraceae SUNDROPS N 674 30 Oenothera pilosella ssp. pilosella Onagraceae MEADOW SUNDROPS N 672 9 Oenothera speciosa Onagraceae WHITE EVENING‐PRIMROSE, PINKLADIES I 674 5 Oenothera villosa ssp. villosa Onagraceae HAIRY EVENING‐PRIMROSE N 0 3 Oligoneuron album Asteraceae PRAIRIE FLAT‐TOP GOLDENROD N 0 1 Oligoneuron rigidum var. rigidum Asteraceae HARD‐LEAF FLAT‐TOP GOLDENROD N 0 1 Onobrychis viciifolia Fabaceae SAINFOIN E 556 1 X Onoclea sensibilis Dryopteridaceae SENSITIVE FERN, BEAD FERN N 20 45 Onopordum acanthium Asteraceae SCOTCH THISTLE E 0 1 Onosmodium molle ssp. hispidissimum Boraginaceae FALSE GROMWELL N 780 11 Ophioglossum engelmannii Ophioglossaceae ENGELMANN'S ADDER'S TONGUE N 0 1 Ophioglossum pusillum Ophioglossaceae ADDER'S TONGUE N 12 2 Ophioglossum vulgatum Ophioglossaceae ADDER'S TONGUE N 12 21 Opuntia humifusa var. humifusa Cactaceae PRICKLY‐PEAR, DEVIL'S TONGUE N 659 10 Ornithogalum nutans Liliaceae DROOPING STAR‐OF‐BETHLEHEM E 238 2 Ornithogalum pyrenaicum Liliaceae PYRENEES STAR‐OF‐BETHLEHEM E 238 1 Ornithogalum umbellatum Liliaceae STAR OF BETHLEHEM E 238 27 Orobanche ludoviciana ssp. ludoviciana Orobanchaceae LOUISIANA BROOMRAPE A 870 1 Orobanche minor Orobanchaceae EUROPEAN BROOMRAPE E 870 2 Orobanche uniflora Orobanchaceae ONE‐FLOWERED BROOMRAPE N 870 28 Orontium aquaticum Araceae GOLDEN CLUB N 206 9 Oryzopsis asperifolia Poaceae MOUNTAIN RICEGRASS N 102 1 sp? Osmorhiza claytonii Apiaceae HAIRY SWEET CICELY N 686 43 sp? Osmorhiza longistylis Apiaceae SMOOTH SWEET CICELY, ANISEROOT N 686 46 X Osmunda cinnamomea var. cinnamomea Osmundaceae CINNAMON FERN N 12 29 Osmunda claytoniana Osmundaceae INTERRUPTED FERN N 12 43 X Osmunda regalis var. spectabilis Osmundaceae ROYAL FERN N 12 31 Ostrya virginiana var. virginiana Betulaceae HOP HORNBEAM, IRONWOOD N 294 37 sp? Oxalis corniculata Oxalidaceae CREEPING LADY'S SORREL E 580 19 sp? Oxalis dillenii Oxalidaceae SLENDER YELLOW WOOD SORREL N 582 20 sp? Oxalis grandis Oxalidaceae GREAT YELLOW WOOD SORREL N 582 37 sp? Oxalis montana Oxalidaceae WHITE WOOD SORREL N 580 14 sp? Oxalis stricta Oxalidaceae YELLOW WOOD SORREL N 582 51 sp? Oxalis violacea Oxalidaceae VIOLET WOOD SORREL N 580 41 Oxydendrum arboreum Ericaceae SOURWOOD N 716 38 Oxypolis rigidior Apiaceae COWBANE N 696 20 Pachysandra terminalis Buxaceae JAPANESE PACHYSANDRA E 0 0 Packera anonyma Asteraceae SMALL'S RAGWORT, SMALL'S GROUNDSEL N 1004 27 Packera antennariifolia Asteraceae PUSSYTOES RAGWORT, SHALEBARREN GROUNDSEL N 1004 9 Packera aurea Asteraceae GOLDEN RAGWORT, GOLDEN GROUNDSEL N 1006 49 Packera glabella Asteraceae CRESS‐LEAF GROUNDSEL A 0 1 Packera obovata Asteraceae SQUAW‐WEED, ROUND‐LEAF GROUNDSEL N 1006 48 Packera paupercula Asteraceae BALSAM SQUAW‐WEED, BALSAM GROUNDSEL N 1004 9 Packera plattensis Asteraceae PRAIRIE GROUNDSEL N 0 2 Panax quinquefolius Araliaceae GINSENG, SENG N 680 35 Panax trifolius Araliaceae DWARF GINSENG N 680 17 Panicum amarum var. amarulum Poaceae PANIC GRASS I 84 8 Panicum anceps Poaceae FLAT‐STEMMED PANIC GRASS N 84 30 Panicum capillare Poaceae OLD WITCH GRASS N 82 25 Panicum dichotomiflorum var. dichotomiflorum Poaceae SPREADING WITCH GRASS N 84 31 Panicum flexile Poaceae WIRY WITCH GRASS N 84 2 Panicum gattingeri Poaceae TICKLE GRASS N 82 12 Panicum philadelphicum Poaceae WOOD WITCH GRASS N 84 13 Panicum rigidulum var. elongatum Poaceae TALL FLAT PANIC GRASS N 84 18 Panicum rigidulum var. rigidulum Poaceae REDTOP PANIC GRASS N 84 19 Panicum verrucosum Poaceae PANIC GRASS A 0 4 Panicum virgatum var. virgatum Poaceae SWITCH GRASS N 84 25 Papaver dubium Papaveraceae SCARLET POPPY E 414 11 Papaver rhoeas Papaveraceae CORN POPPY E 414 1 Parietaria pensylvanica Urticaceae PENNSYLVANIA PELLITORY N 318 17 Parnassia asarifolia Saxifragaceae KIDNEYLEAF GRASS‐OF‐PARNASSUS N 456 8 Parnassia grandifolia Saxifragaceae LARGELEAF GRASS‐OF‐PARNASSUS N 454 2 Paronychia argyrocoma Caryophyllaceae SILVERY NAILWORT, SILVERY WHITLOWWORT N 358 6 Paronychia canadensis Caryophyllaceae SMOOTH FORKED‐CHICKWEED N 358 42 Paronychia fastigiata var. fastigiata Caryophyllaceae HAIRY FORKED‐CHICKWEED N 358 12 Paronychia fastigiata var. nuttallii Caryophyllaceae HAIRY FORKED‐CHICKWEED N 358 1 Paronychia fastigiata var. paleacea Caryophyllaceae HAIRY FORKED‐CHICKWEED N 358 6 Paronychia montana Caryophyllaceae MOUNTAIN NAILWORT, SHALE WHITLOWWORT N 358 11 Paronychia virginica Caryophyllaceae VIRGINIA NAILWORT, YELLOW NAILWORT N 358 4 Parthenium auriculatum Asteraceae AURICLED PARTHENIUM, EARED FEVERFEW N 970 2 Parthenium integrifolium var. integrifolium Asteraceae AMERICAN FEVERFEW N 970 10 X Parthenocissus quinquefolia Vitaceae VIRGINIA CREEPER N 626 46 Parthenocissus tricuspidata Vitaceae BOSTON‐IVY E 0 2 Parthenocissus vitacea Vitaceae THICKET‐CREEPER N 0 2 Paspalum dilatatum Poaceae GOLDEN CROWN GRASS E 0 2 Paspalum fluitans Poaceae BEAD‐GRASS A 0 1 Paspalum laeve Poaceae SMOOTH PASPALUM N 78 24 Paspalum pubiflorum Poaceae BEAD‐GRASS A 0 6 Paspalum setaceum Poaceae BEAD‐GRASS N 78 23 Passiflora incarnata Passifloraceae PASSION FLOWER, MAY‐POP N 659 6 Passiflora lutea Passifloraceae YELLOW PASSION FLOWER N 659 27 Pastinaca sativa Apiaceae PARSNIP E 698 32 Paulownia tomentosa Scrophulariaceae PRINCESS‐TREE, IMPERIAL‐TREE E 846 20 Paxistima canbyi Celastraceae CANBY'S MOUNTAIN LOVER, RAT‐STRIPPER N 612 7 Pedicularis canadensis ssp. canadensis Scrophulariaceae COMMON LOUSEWORT, WOOD BETONY N 864 43 Pedicularis lanceolata Scrophulariaceae SWAMP LOUSEWORT N 864 6 Pellaea atropurpurea Adiantaceae PURPLE CLIFFBRAKE N 38 23 Pellaea glabella ssp. glabella Adiantaceae SMOOTH CLIFFBRAKE N 38 8 Peltandra virginica Araceae ARROW‐ARUM A 0 6 Penstemon canescens Scrophulariaceae GRAY BEARDTONGUE N 846 22 Penstemon digitalis Scrophulariaceae FOXGLOVE BEARDTONGUE N 845 33 Penstemon hirsutus Scrophulariaceae HAIRY BEARDTONGUE N 846 24 Penstemon laevigatus Scrophulariaceae SMOOTH BEARDTONGUE N 845 29 Penstemon pallidus Scrophulariaceae SHORT‐SEPAL BEARDTONGUE N 846 9 Penthorum sedoides Crassulaceae DITCH STONECROP N 446 40 Perilla frutescens Lamiaceae BEEFSTEAK PLANT E 828 24 Petrorhagia prolifera Caryophyllaceae PROLIFEROUS PINK E 372 3 Petunia axillaris Solanaceae LARGE WHITE PETUNIA E 0 1 Petunia integrifolia Solanaceae VIOLET‐FLOWER PETUNIA E 0 2 Peucedanum ostruthium Apiaceae MASTERWORT E 688 3 Phacelia bipinnatifida Hydrophyllaceae FERN‐LEAF PHACELIA N 776 11 Phacelia covillei Hydrophyllaceae PHACELIA N 1047 2 Phacelia dubia var. dubia Hydrophyllaceae SMALL‐FLOWERED PHACELIA N 776 19 Phacelia purshii Hydrophyllaceae MIAMI‐MIST N 776 13 Phalaris arundinacea Poaceae REED CANARY GRASS N 100 38 Phalaris canariensis Poaceae CANARY GRASS E 100 3 Phaseolus polystachios var. polystachios Fabaceae WILD KIDNEY BEAN N 572 8 Phegopteris connectilis Thelypteridaceae LONG BEECH FERN N 22 9 Phegopteris hexagonoptera Thelypteridaceae BROAD BEECH FERN N 22 42 Phellodendron japonicum Rutaceae AMUR CORK TREE, JAPANESE CORK TREE E 0 1 Philadelphus coronarius Hydrangeaceae EUROPEAN MOCK‐ORANGE E 0 8 Philadelphus hirsutus Hydrangeaceae CUMBERLAND MOCK‐ORANGE I 0 2 Philadelphus inodorus Hydrangeaceae APPALACHIAN MOCK‐ORANGE N 0 2 Phleum pratense Poaceae TIMOTHY GRASS E 108 49 Phlox amplifolia Polemoniaceae LARGE‐LEAF PHLOX A 0 3 Phlox buckleyi Polemoniaceae SWORDLEAF PHLOX, SHALE BARREN PHLOX N 770 4 Phlox carolina Polemoniaceae THICK‐LEAF PHLOX A 0 2 Phlox divaricata Polemoniaceae WILD BLUE PHLOX N 770 43 Phlox glaberrima ssp. triflora Polemoniaceae SMOOTH PHLOX N 770 2 Phlox latifolia Polemoniaceae MOUNTAIN PHLOX N 770 10 Phlox maculata ssp. maculata Polemoniaceae WILD SWEET WILLIAM N 770 16 Phlox maculata ssp. pyramidalis Polemoniaceae WILD SWEET WILLIAM N 770 17 Phlox paniculata Polemoniaceae FALL PHLOX, PANICLED PHLOX N 772 34 Phlox stolonifera Polemoniaceae CREEPING PHLOX N 770 29 Phlox subulata ssp. brittonii Polemoniaceae MOSSPINK, MOSS PHLOX N 770 17 Phlox subulata ssp. subulata Polemoniaceae MOSSPINK, MOSS PHLOX N 770 9 Phoradendron leucarpum Viscaceae MISTLETOE N 320 13 Photinia floribunda Rosaceae PURPLE CHOKEBERRY N 468 6 Photinia melanocarpa Rosaceae BLACK CHOKEBERRY N 468 19 Photinia pyrifolia Rosaceae RED CHOKEBERRY N 468 17 Phragmites australis Poaceae REED I 134 23 Phryma leptostachya Verbenaceae LOPSEED N 874 31 Phyla lanceolata Verbenaceae FOG‐FRUIT N 788 17 Phyllanthus caroliniensis ssp. caroliniensis Euphorbiaceae CAROLINA LEAF‐FLOWER N 596 6 Phyllostachys aureosulcata Poaceae GOLDEN BAMBOO E 150 6 Phyllostachys nigra Poaceae BLACK BAMBOO E 150 2 Physalis alkekengi Solanaceae CHINESE LANTERN E 834 2 Physalis heterophylla var. heterophylla Solanaceae VILLOUS GROUND‐CHERRY N 834 31 Physalis longifolia var. subglabrata Solanaceae SMOOTH GROUND‐CHERRY N 832 36 Physalis philadelphica var. immaculata Solanaceae TOMATILLO E 0 2 Physalis pubescens var. integrifolia Solanaceae DOWNY GROUND‐CHERRY, STRAWBERRY‐TOMATO E 832 5 Physalis pubescens var. pubescens Solanaceae DOWNY GROUND‐CHERRY E 0 6 Physalis virginiana var. virginiana Solanaceae VIRGINIA GROUND‐CHERRY N 834 6 Physocarpus opulifolius var. opulifolius Rosaceae NINEBARK N 463 29 Physostegia virginiana ssp. virginiana Lamiaceae DRAGON HEAD, OBEDIENT PLANT N 804 21 Phytolacca americana var. americana Phytolaccaceae POKEWEED N 352 51 Picea abies Pinaceae NORWAY SPRUCE I 46 9 Picea rubens Pinaceae RED SPRUCE N 46 10 Pieris floribunda Ericaceae MOUNTAIN FETTERBUSH N 714 6 X Pilea pumila var. pumila Urticaceae CLEARWEED, RICHWEED N 318 35 Pimpinella saxifraga ssp. saxifraga Apiaceae BURNET‐SAXIFRAGE E 0 3 Pinellia ternata Araceae CROWDIPPER E 0 1 Pinus banksiana Pinaceae JACK PINE I 0 2 Pinus echinata Pinaceae SHORTLEAF PINE N 48 16 Pinus nigra Pinaceae AUSTRIAN PINE E 0 7 Pinus pungens Pinaceae TABLE MOUNTAIN PINE N 48 14 Pinus resinosa Pinaceae RED PINE N 48 22 Pinus rigida Pinaceae PITCH PINE N 48 34 Pinus strobus Pinaceae WHITE PINE N 48 36 Pinus sylvestris Pinaceae SCOTCH PINE E 0 20 Pinus virginiana Pinaceae SCRUB PINE N 48 45 Piptatherum canadense Poaceae CANADIAN MOUNTAIN RICEGRASS N 102 2 Piptatherum racemosum Poaceae BLACK SEED MOUNTAIN RICEGRASS N 102 6 Piptochaetium avenaceum Poaceae BLACKSEED NEEDLEGRASS, BLACK OAT‐GRASS N 102 5 Pityopsis graminifolia var. latifolia Asteraceae NARROW‐LEAF SILK‐GRASS N 0 1 Plantago aristata Plantaginaceae BRACTED PLANTAIN A 876 39 Plantago lanceolata Plantaginaceae BUCKHORN PLANTAIN, ENGLISH PLANTAIN, NARROW‐ E 876 49 Plantago major Plantaginaceae GREAT PLANTAIN E 876 11 Plantago patagonica Plantaginaceae WOOLY PLANTAIN N 0 1 Plantago psyllium Plantaginaceae SAND PLANTAIN E 0 1 Plantago rugelii var. rugelii Plantaginaceae COMMON PLANTAIN N 876 49 Plantago virginica Plantaginaceae DWARF PLANTAIN N 876 44 sp? Platanthera ciliaris Orchidaceae YELLOW FRINGED ORCHID, ORANGE‐PLUME N 262 25 sp? Platanthera clavellata Orchidaceae SMALL GREEN WOOD ORCHID N 260 23 sp? Platanthera flava var. herbiola Orchidaceae PALE GREEN ORCHID N 262 15 sp? Platanthera grandiflora Orchidaceae LARGE PURPLE FRINGED ORCHID N 262 12 sp? Platanthera lacera Orchidaceae RAGGED FRINGED ORCHID N 262 35 sp? Platanthera orbiculata Orchidaceae LARGE ROUND‐LEAVED ORCHID N 262 16 sp? Platanthera peramoena Orchidaceae PURPLE FRINGELESS ORCHID N 262 20 sp? Platanthera psycodes Orchidaceae SMALL PURPLE FRINGED ORCHID, SOLDIER'S PLUM N 262 7 sp? Platanthera ×andrewsii Orchidaceae FRINGED ORCHID N 0 2 sp? Platanthera ×keenanii Orchidaceae FRINGED ORCHID N 0 2 Platanus occidentalis Platanaceae SYCAMORE N 460 52 Pleopeltis polypodioides ssp. michauxiana Polypodiaceae RESURRECTION FERN, LITTLE GRAY POLYPODY N 42 11 Poa alsodes Poaceae BLUEGRASS N 134 20 Poa annua Poaceae ANNUAL BLUEGRASS E 130 24 Poa autumnalis Poaceae BLUEGRASS N 0 1 Poa bulbosa Poaceae BULBOUS BLUEGRASS E 134 3 Poa chapmaniana Poaceae BLUEGRASS N 130 4 Poa compressa Poaceae CANADA BLUEGRASS E 132 47 Poa cuspidata Poaceae SHORT‐LEAVED BLUEGRASS N 132 39 Poa paludigena Poaceae BOG BLUEGRASS N 0 1 Poa palustris Poaceae FOWL BLUEGRASS N 132 14 Poa pratensis ssp. pratensis Poaceae KENTUCKY BLUEGRASS E 132 41 Poa saltuensis Poaceae BLUEGRASS N 134 10 Poa sylvestris Poaceae SYLVAN BLUEGRASS N 134 21 Poa trivialis Poaceae ROUGH BLUEGRASS E 132 22 Podophyllum peltatum Berberidaceae MAY‐APPLE N 402 50 Podostemum ceratophyllum Podostemaceae RIVERWEED N 442 13 Pogonia ophioglossoides Orchidaceae BEARD‐FLOWER, ROSE POGONIA N 264 7 Polanisia dodecandra ssp. dodecandra Capparaceae CLAMMY‐WEED I 418 5 Polanisia dodecandra ssp. trachysperma Capparaceae LARGE FLOWERED CLAMMY‐WEED I 418 3 Polemonium reptans var. reptans Polemoniaceae GREEK VALERIAN N 768 34 Polemonium vanbruntiae Polemoniaceae JACOB'S LADDER N 768 6 Polygala ambigua Polygalaceae WHORLED MILKWORT N 592 1 Polygala cruciata var. aquilonia Polygalaceae CROSS‐LEAVED MILKWORT N 592 4 Polygala curtissii Polygalaceae CURTISS' MILKWORT A 592 7 Polygala paucifolia Polygalaceae FLOWERING WINTERGREEN, GAY WINGS N 592 13 Polygala polygama Polygalaceae RACEMED MILKWORT N 592 13 X Polygala sanguinea Polygalaceae ROSE POLYGALA N 592 43 Polygala senega Polygalaceae SENECA SNAKEROOT N 592 17 Polygala verticillata Polygalaceae WHORLED MILKWORT N 592 30 Polygonatum biflorum Liliaceae KING SOLOMON'S SEAL, GREAT SOLOMON'S SEAL N 244 43 Polygonatum pubescens Liliaceae DOWNY SOLOMON'S SEAL N 244 41 Polygonum amphibium var. emersum Polygonaceae WATER SMARTWEED N 332 17 Polygonum amphibium var. stipulaceum Polygonaceae WATER SMARTWEED N 0 1 Polygonum arenastrum Polygonaceae DOORYARD KNOTWEED E 0 4 Polygonum arifolium Polygonaceae HALBERDLEAF TEARTHUMB N 336 12 Polygonum aviculare Polygonaceae KNOTWEED E 332 16 Polygonum buxiforme Polygonaceae PRAIRIE KNOTWEED N 0 4 X Polygonum caespitosum var. longisetum Polygonaceae ASIATIC WATER PEPPER E 334 43 Polygonum careyi Polygonaceae CAREY'S SMARTWEED N 0 1 Polygonum cilinode Polygonaceae MOUNTAIN BINDWEED N 336 4 Polygonum convolvulus var. convolvulus Polygonaceae BLACK BINDWEED E 338 19 Polygonum cuspidatum Polygonaceae JAPANESE KNOTWEED E 338 51 Polygonum douglasii ssp. douglasii Polygonaceae DOUGLAS' KNOTWEED A 0 1 Polygonum erectum Polygonaceae ERECT KNOTWEED N 332 28 Polygonum hydropiper Polygonaceae COMMON SMARTWEED, WATER PEPPER N 334 27 Polygonum hydropiperoides Polygonaceae MILD WATER PEPPER N 336 26 Polygonum lapathifolium Polygonaceae DOCK‐LEAVED SMARTWEED N 332 17 Polygonum orientale Polygonaceae PRINCE'S FEATHER E 334 15 Polygonum pensylvanicum Polygonaceae PENNSYLVANIA SMARTWEED N 332 42 Polygonum perfoliatum Polygonaceae MILE‐A‐MINUTE E 0 6 Polygonum persicaria Polygonaceae LADY'S THUMB, HEART'S EASE E 334 38 Polygonum punctatum var. confertiflorum Polygonaceae WATER SMARTWEED N 334 1 Polygonum punctatum var. punctatum Polygonaceae WATER SMARTWEED N 334 30 Polygonum ramosissimum var. prolificum Polygonaceae YELLOW‐FLOWER KNOTWEED N 0 22 Polygonum sachalinense Polygonaceae SACHALINE E 338 14 X Polygonum sagittatum Polygonaceae ARROWLEAF TEARTHUMB N 336 45 Polygonum scandens var. cristatum Polygonaceae HEDGE BUCKWHEAT N 338 23 Polygonum scandens var. dumetorum Polygonaceae CLIMBING FALSE BUCKWHEAT E 338 18 Polygonum scandens var. scandens Polygonaceae CLIMBING FALSE BUCKWHEAT N 338 24 Polygonum setaceum Polygonaceae BOG KNOTWEED N 0 3 Polygonum tenue var. tenue Polygonaceae SLENDER KNOTWEED N 332 10 X Polygonum virginianum Polygonaceae VIRGINIA KNOTWEED, RATTAIL N 328 47 Polymnia canadensis Asteraceae WHITE‐FLOWERED LEAFCUP N 968 24 Polypodium appalachianum Polypodiaceae POLYPODY FERN N 0 20 Polypodium virginianum Polypodiaceae COMMON POLYPODY FERN N 42 47 X Polystichum acrostichoides Dryopteridaceae CHRISTMAS FERN N 28 55 Poncirus trifoliata Rutaceae HARDY ORANGE E 0 2 Pontederia cordata Pontederiaceae PICKERELWEED I 212 6 Populus alba Salicaceae WHITE POPLAR, SILVERLEAF POPLAR E 284 38 Populus balsamifera ssp. balsamifera Salicaceae BALSAM POPLAR N 286 4 X Populus deltoides ssp. deltoides Salicaceae COTTONWOOD N 284 26 Populus grandidentata Salicaceae BIGTOOTH ASPEN N 284 46 Populus nigra Salicaceae BLACK POPLAR E 286 5 Populus tremuloides Salicaceae QUAKING ASPEN N 284 12 Populus ×canadensis Salicaceae CAROLINA POPLAR E 286 11 Populus ×canescens Salicaceae GRAY POPLAR E 0 7 Populus ×jackii Salicaceae BALM OF GILEAD N 286 19 Populus ×rouleauiana Salicaceae POPLAR E 0 2 Populus ×smithii Salicaceae ASPEN N 0 1 Porteranthus stipulatus Rosaceae AMERICAN IPECAC N 466 12 Porteranthus trifoliatus Rosaceae BOWMAN'S ROOT, INDIAN PHYSIC N 466 33 Portulaca oleracea Portulacaceae COMMON PURSLANE, PUSLEY E 354 15 Potamogeton amplifolius Potamogetonaceae LARGE‐LEAVED PONDWEED, MUSKIE WEED, BASS WEEN587 Potamogeton crispus Potamogetonaceae CURLY PONDWEED E 58 12 Potamogeton diversifolius Potamogetonaceae VARIABLE PONDWEED N 56 29 Potamogeton epihydrus Potamogetonaceae FLOATING PONDWEED N 56 16 Potamogeton foliosus ssp. foliosus Potamogetonaceae LEAFY PONDWEED N 56 18 Potamogeton illinoensis Potamogetonaceae ILLINOIS PONDWEED N 58 9 Potamogeton natans Potamogetonaceae FLOATING PONDWEED N 0 1 Potamogeton nodosus Potamogetonaceae LONG‐LEAVED PONDWEED N 58 15 Potamogeton oakesianus Potamogetonaceae LONGLEAF PONDWEED N 0 1 Potamogeton pulcher Potamogetonaceae SPOTTED PONDWEED A 56 8 Potamogeton pusillus var. pusillus Potamogetonaceae SMALL PONDWEED N 56 10 Potamogeton pusillus var. tenuissimus Potamogetonaceae SLENDER PONDWEED N 56 6 Potamogeton spirillus Potamogetonaceae SPIRAL PONDWEED A 56 5 Potamogeton tennesseensis Potamogetonaceae TENNESSEE PONDWEED N 56 12 Potamogeton zosteriformis Potamogetonaceae FLATSTEM PONDWEED N 56 2 Potentilla argentea var. argentea Rosaceae SILVERY CINQUEFOIL E 494 13 Potentilla arguta ssp. arguta Rosaceae TALL CINQUEFOIL N 494 1 Potentilla canadensis var. canadensis Rosaceae CANADA CINQUEFOIL N 0 27 Potentilla norvegica ssp. monspeliensis Rosaceae ROUGH CINQUEFOIL N 494 37 Potentilla recta Rosaceae UPRIGHT CINQUEFOIL E 494 44 Potentilla reptans Rosaceae CREEPING CINQUEFOIL E 0 5 Potentilla rivalis Rosaceae BROOK CINQUEFOIL N 0 1 Potentilla simplex Rosaceae COMMON CINQUEFOIL N 494 46 Prenanthes alba Asteraceae WHITE LETTUCE N 1022 15 Prenanthes altissima Asteraceae TALL WHITE LETTUCE N 1024 37 Prenanthes aspera Asteraceae TALL WHITE LETTUCE N 0 1 Prenanthes crepidinea Asteraceae CORYMBED RATTLESNAKE‐ROOT A 1022 2 Prenanthes serpentaria Asteraceae RATTLESNAKE‐ROOT, GALL‐OF‐THE‐EARTH N 1022 22 Prenanthes trifoliolata Asteraceae LION'S FOOT N 1022 12 Proboscidea louisianica ssp. louisianica Pedaliaceae UNICORN‐PLANT I 868 4 Prosartes lanuginosa Liliaceae HAIRY DISPORUM, YELLOW FAIRYBELLS N 242 32 Prosartes maculata Liliaceae MANDARIN N 242 3 Proserpinaca palustris var. crebra Haloragaceae MERMAID WEED N 678 9 Prunella vulgaris Lamiaceae EUROPEAN SELFHEAL, HEAL‐ALL, BUMBLEBEE WEED E 804 53 Prunus alleghaniensis var. alleghaniensis Rosaceae ALLEGHENY PLUM N 536 10 Prunus americana Rosaceae WILD PLUM N 536 32 Prunus angustifolia var. angustifolia Rosaceae CHICKASAW PLUM N 536 7 Prunus avium Rosaceae SWEET CHERRY E 538 22 Prunus cerasus Rosaceae SOUR CHERRY E 538 8 Prunus glandulosa Rosaceae FLOWERING ALMOND E 0 2 Prunus hortulana Rosaceae WILD GOOSE PLUM I 536 8 Prunus mahaleb Rosaceae PERFUMED CHERRY E 538 19 Prunus nigra Rosaceae CANADA PLUM I 536 4 Prunus pensylvanica var. pensylvanica Rosaceae PIN CHERRY, BIRD CHERRY, FIRE CHERRY N 536 18 Prunus persica Rosaceae PEACH E 536 12 Prunus pumila var. depressa Rosaceae SAND CHERRY N 536 2 Prunus sargentii Rosaceae SARGENT CHERRY, NORTH JAPANESE HILL CHERRY E 0 1 Prunus serotina var. serotina Rosaceae WILD BLACK CHERRY N 538 50 Prunus virginiana var. virginiana Rosaceae CHOKE CHERRY N 538 20 Pseudognaphalium macounii Asteraceae CLAMMY EVERLASTING, WINGED RABBIT TOBACCO N 962 5 Pseudognaphalium obtusifolium ssp. obtusifolium Asteraceae CUDWEED, OLD FIELD BALSAM, RABBIT‐TOBACCO N 962 47 Ptelea trifoliata ssp. trifoliata Rutaceae COMMON HOP‐TREE, HOPTREE, WAFER‐ASH N 588 11 var? Pteridium aquilinum var. latiusculum Dennstaedtiaceae BRAKE, BRACKEN N 40 32 var? Pteridium aquilinum var. pseudocaudatum Dennstaedtiaceae BRACKEN FERN N 40 4 Ptilimnium nodosum Apiaceae HARPERELLA N 692 2 Puccinellia distans ssp. distans Poaceae EUROPEAN ALKALI‐GRASS E 0 1 Pueraria montana var. lobata Fabaceae KUDZU VINE E 574 35 sp? Pycnanthemum clinopodioides Lamiaceae BASIL MOUNTAIN‐MINT N 818 6 sp? Pycnanthemum incanum var. incanum Lamiaceae HOARY MOUNTAIN‐MINT N 820 27 sp? Pycnanthemum loomisii Lamiaceae LOOMIS' MOUNTAIN‐MINT N 820 13 sp? Pycnanthemum montanum Lamiaceae THIN‐LEAVED MOUNTAIN‐MINT N 820 2 sp? Pycnanthemum muticum Lamiaceae BLUNT MOUNTAIN‐MINT N 818 7 sp? Pycnanthemum pycnanthemoides var. pycnanthemLamiaceae SOUTHERN MOUNTAIN‐MINT N 818 10 sp? Pycnanthemum pycnanthemoides var. viridifolium Lamiaceae GREEN‐LEAVED MOUNTAIN‐MINT N 820 4 sp? Pycnanthemum tenuifolium Lamiaceae NARROWLEAF MOUNTAIN‐MINT N 818 39 sp? Pycnanthemum torrei Lamiaceae TORREY'S MOUNTAIN‐MINT N 818 2 sp? Pycnanthemum verticillatum var. pilosum Lamiaceae HAIRY MOUNTAIN‐MINT A 1047 2 sp? Pycnanthemum verticillatum var. verticillatum Lamiaceae VERTICILLATE MOUNTAIN‐MINT N 818 26 sp? Pycnanthemum virginianum Lamiaceae VIRGINIA MOUNTAIN‐MINT N 818 13 Pyracantha coccinea Rosaceae SCARLET FIRETHORN E 0 1 Pyrola americana Pyrolaceae ROUND‐LEAVED AMERICAN WINTERGREEN N 706 30 Pyrola chlorantha Pyrolaceae GREENISH‐FLOWERED WINTERGREEN N 706 2 Pyrola elliptica Pyrolaceae SHINLEAF N 706 11 Pyrrhopappus carolinianus Asteraceae FALSE DANDELION A 1020 4 Pyrularia pubera Santalaceae BUFFALONUT, OILNUT N 320 24 Pyrus calleryana Rosaceae BRADFORD PEAR E 0 5 Pyrus communis Rosaceae PEAR E 468 17 Pyrus pyrifolia Rosaceae CHINESE PEAR E 0 1 Quercus alba Fagaceae WHITE OAK N 302 50 Quercus bicolor Fagaceae SWAMP WHITE OAK N 302 16 Quercus coccinea var. coccinea Fagaceae SCARLET OAK N 306 40 Quercus falcata Fagaceae SPANISH OAK, SOUTHERN RED OAK N 306 8 Quercus ilicifolia Fagaceae SCRUB OAK, BEAR OAK, TURKEY OAK N 308 14 Quercus imbricaria Fagaceae SHINGLE OAK N 308 19 Quercus macrocarpa var. macrocarpa Fagaceae BUR OAK N 302 10 Quercus marilandica var. marilandica Fagaceae BLACKJACK OAK N 308 6 Quercus muehlenbergii Fagaceae CHINQUAPIN OAK, YELLOW OAK N 304 31 Quercus palustris Fagaceae PIN OAK N 304 30 Quercus prinoides Fagaceae DWARF CHINQUAPIN OAK N 0 1 Quercus prinus Fagaceae CHESTNUT OAK, ROCK OAK N 304 44 Quercus rubra Fagaceae RED OAK N 304 50 Quercus shumardii Fagaceae SHUMARD OAK N 306 7 Quercus stellata Fagaceae POST OAK N 302 25 Quercus velutina Fagaceae BLACK OAK N 306 48 Quercus ×leana Fagaceae OAK N 306 2 Quercus ×saulii Fagaceae OAK N 0 3 Ranunculus abortivus Ranunculaceae KIDNEYLEAF CROWFOOT N 382 46 Ranunculus acris var. acris Ranunculaceae TALL BUTTERCUP, MEADOW BUTTERCUP E 384 24 Ranunculus allegheniensis Ranunculaceae ALLEGHENY CROWFOOT N 382 30 Ranunculus ambigens Ranunculaceae SPEARWORT N 380 11 Ranunculus arvensis Ranunculaceae CORN CROWFOOT E 384 1 Ranunculus bulbosus Ranunculaceae BULBOUS BUTTERCUP E 384 22 Ranunculus fascicularis Ranunculaceae THICK‐ROOT BUTTERCUP N 0 1 Ranunculus ficaria var. bulbifera Ranunculaceae LESSER CELANDINE E 380 2 Ranunculus flammula var. filiformis Ranunculaceae CREEPING SPEARWORT A 0 1 Ranunculus hispidus var. hispidus Ranunculaceae HISPID BUTTERCUP N 384 43 Ranunculus hispidus var. nitidus Ranunculaceae HISPID BUTTERCUP, NORTHERN SWAMP BUTTERCUP N 384 33 Ranunculus longirostris Ranunculaceae WHITE WATER CROWFOOT N 0 1 Ranunculus macounii Ranunculaceae MACOUN BUTTERCUP N 382 2 Ranunculus micranthus Ranunculaceae SMALL‐FLOWERED CROWFOOT N 382 17 Ranunculus parviflorus Ranunculaceae STICKSEED CROWFOOT E 0 1 Ranunculus pensylvanicus Ranunculaceae BRISTLY CROWFOOT N 382 4 Ranunculus pusillus var. pusillus Ranunculaceae LOW SPEARWORT N 380 6 Ranunculus recurvatus var. recurvatus Ranunculaceae HOOKED CROWFOOT N 382 42 Ranunculus repens Ranunculaceae CREEPING BUTTERCUP E 384 22 Ranunculus sardous Ranunculaceae BUTTERCUP E 0 4 Ranunculus sceleratus var. sceleratus Ranunculaceae CURSED CROWFOOT N 380 9 Ranunculus trichophyllus var. trichophyllus Ranunculaceae WHITE WATER CROWFOOT N 380 2 Raphanus raphanistrum Brassicaceae WILD RADISH E 426 8 Raphanus sativus Brassicaceae RADISH E 426 5 Ratibida columnifera Asteraceae PRAIRIE CONEFLOWER A 976 1 Ratibida pinnata Asteraceae GRAY CONEFLOWER A 976 1 Reseda lutea Resedaceae MIGNONETTE E 442 1 Rhamnus alnifolia Rhamnaceae ALDER‐LEAVED BUCKTHORN N 624 4 Rhamnus cathartica Rhamnaceae COMMON BUCKTHORN E 0 1 Rhamnus lanceolata ssp. lanceolata Rhamnaceae LANCE‐LEAVED BUCKTHORN N 624 8 Rheum rhabarbarum Polygonaceae GARDEN RHUBARB E 0 1 Rhexia mariana var. mariana Melastomaceae MEADOW BEAUTY A 664 1 Rhexia virginica Melastomaceae MEADOW BEAUTY N 664 14 sp? Rhododendron arborescens Ericaceae SMOOTH AZALEA, WHITE HONEYSUCKLE N 712 21 sp? Rhododendron calendulaceum Ericaceae FLAME AZALEA, YELLOW HONEYSUCKLE N 712 29 sp? Rhododendron catawbiense Ericaceae MOUNTAIN ROSE BAY, PURPLE LAUREL, CATAWBA RHON 710 10 sp? Rhododendron maximum Ericaceae GREAT LAUREL, RHODODENDRON N 710 33 sp? Rhododendron periclymenoides Ericaceae PINXTER FLOWER, PINK HONEYSUCKLE N 712 33 sp? Rhododendron prinophyllum Ericaceae ROSE AZALEA N 712 13 sp? Rhododendron viscosum Ericaceae CLAMMY AZALEA, WHITE SWAMP HONEYSUCKLE, SWAN 712 5 Rhodotypos scandens Rosaceae JETBEAD, WHITE KERRIA E 528 4 Rhus aromatica var. aromatica Anacardiaceae FRAGRANT SUMAC N 608 20 Rhus copallinum var. latifolia Anacardiaceae WINGED SUMAC, SHINING SUMAC N 606 41 Rhus glabra Anacardiaceae SMOOTH SUMAC N 606 42 Rhus typhina Anacardiaceae STAGHORN SUMAC N 606 44 Rhynchospora alba Cyperaceae BEAKED RUSH N 166 8 Rhynchospora capitellata Cyperaceae BEAKED RUSH N 166 26 Rhynchospora fusca Cyperaceae BROWN BEAK SEDGE N 0 1 Rhynchospora recognita Cyperaceae BEAKED RUSH N 168 4 Ribes americanum Grossulariaceae WILD BLACK CURRANT N 458 7 Ribes aureum var. villosum Grossulariaceae BUFFALO CURRANT E 0 6 Ribes cynosbati Grossulariaceae PRICKLY GOOSEBERRY N 458 22 Ribes glandulosum Grossulariaceae SKUNK CURRANT N 458 6 Ribes hirtellum Grossulariaceae BRISTLY GOOSEBERRY N 458 2 Ribes lacustre Grossulariaceae BRISTLY BLACK CURRANT N 458 8 Ribes missouriense Grossulariaceae MISSOURI GOOSEBERRY A 458 5 Ribes rotundifolium Grossulariaceae SMOOTH GOOSEBERRY N 458 13 Ribes rubrum Grossulariaceae GARDEN CURRANT E 458 5 Ribes triste Grossulariaceae RED CURRANT N 458 3 Ribes uva‐crispa var. sativum Grossulariaceae GOOSEBERRY E 458 5 Robinia hispida Fabaceae ROSE ACACIA I 554 19 Robinia pseudoacacia Fabaceae BLACK LOCUST N 554 52 Robinia viscosa var. viscosa Fabaceae CLAMMY LOCUST I 554 4 Rorippa nasturtium‐aquaticum Brassicaceae WATERCRESS I 434 21 Rorippa palustris ssp. fernaldiana Brassicaceae COMMON YELLOW CRESS N 432 36 Rorippa palustris ssp. palustris Brassicaceae COMMON YELLOW CRESS E 0 4 Rorippa sessiliflora Brassicaceae SOUTHERN YELLOW CRESS N 0 2 Rorippa sylvestris Brassicaceae CREEPING YELLOW CRESS E 432 17 Rosa acicularis ssp. sayi Rosaceae BRISTLY ROSE N 534 3 Rosa blanda var. blanda Rosaceae SMOOTH ROSE N 0 5 Rosa canina Rosaceae DOG ROSE E 532 8 Rosa carolina var. carolina Rosaceae PASTURE ROSE N 532 45 Rosa eglanteria Rosaceae SWEETBRIER, EGLANTINE E 532 11 Rosa multiflora Rosaceae RAMBLER ROSE, MULTIFLORA ROSE E 532 52 Rosa palustris Rosaceae SWAMP ROSE N 532 25 Rosa rugosa Rosaceae RUGOSA ROSE E 534 2 Rosa setigera Rosaceae PRAIRIE ROSE N 532 11 Rosa virginiana var. virginiana Rosaceae VIRGINIA ROSE N 0 3 Rosa wichuraiana Rosaceae MEMORIAL ROSE E 0 3 Rotala ramosior Lythraceae TOOTHCUP N 660 12 Rubus aboriginum Rosaceae JOPLIN CREEK DEWBERRY N 518 5 Rubus allegheniensis var. allegheniensis Rosaceae ALLEGHENY BLACKBERRY N 520 23 Rubus allegheniensis var. gravesii Rosaceae GRAVES' BLACKBERRY N 520 17 Rubus alumnus Rosaceae OLDFIELD BLACKBERRY N 522 22 Rubus andrewsianus Rosaceae ANDREW'S BLACKBERRY N 524 2 Rubus argutus Rosaceae SAWTOOTH BLACKBERRY, SOUTHERN BLACKBERRY N 522 6 Rubus baileyanus Rosaceae BAILEY'S DEWBERRY N 516 9 Rubus bellobatus Rosaceae KITTATINNY BLACKBERRY N 524 10 Rubus canadensis Rosaceae THORNLESS BLACKBERRY, SMOOTH BLACKBERRY N 522 10 Rubus concameratus Rosaceae WEST VIRGINIA BLACKBERRY N 522 5 Rubus deamii Rosaceae DEAM'S DEWBERRY N 520 3 Rubus densissimus Rosaceae MORGANTOWN BLACKBERRY N 524 5 Rubus depavitus Rosaceae ABERDEEN DEWBERRY N 518 4 Rubus exsularis Rosaceae FENCELINE DEWBERRY N 520 8 Rubus fecundus Rosaceae WASHINGTON DC DEWBERRY N 514 10 Rubus felix Rosaceae WOODLAND DEWBERRY N 514 3 Rubus flagellaris Rosaceae WHIPLASH DEWBERRY N 512 30 Rubus flavinanus Rosaceae BRISTLEBERRY N 512 1 Rubus frondosus Rosaceae YANKEE BLACKBERRY N 526 5 Rubus fryei Rosaceae CACAPON RIVER BLACKBERRY N 512 2 Rubus harmonicus Rosaceae GROUNDBERRY, KENNEBUNKPORT DEWBERRY N 510 1 Rubus heterophyllus Rosaceae ECOTONE BLACKBERRY N 0 1 Rubus hispidus Rosaceae GROUNDBERRY, HISPID DEWBERRY, BRISTLY DEWBERRN 510 21 Rubus huttonii Rosaceae GROUNDBERRY, HUTTON'S DEWBERRY N 510 1 Rubus idaeus ssp. strigosus Rosaceae COMMON RED RASPBERRY N 508 8 Rubus illecebrosus Rosaceae STRAWBERRY‐RASPBERRY E 508 5 Rubus invisus Rosaceae UPLAND DEWBERRY N 518 15 Rubus laciniatus Rosaceae LACINIATE BLACKBERRY, EVERGREEN BLACKBERRY, CUTE 508 12 Rubus laudatus Rosaceae PLAINS BLACKBERRY N 524 40 Rubus longii Rosaceae DEWBERRY, LONG'S BLACKBERRY N 520 3 Rubus michiganensis Rosaceae MICHIGAN DEWBERRY N 518 11 Rubus missouricus Rosaceae BRISTLEBERRY, MISSOURI DEWBERRY N 512 3 Rubus montensis Rosaceae MOUNTAIN‐TOP BLACKBERRY N 520 1 Rubus multifer Rosaceae KINNICKINNICK DEWBERRY N 514 4 Rubus notatus Rosaceae BRISTLEBERRY N 512 1 Rubus occidentalis Rosaceae BLACK RASPBERRY N 508 44 Rubus odoratus var. odoratus Rosaceae FLOWERING RASPBERRY N 508 35 Rubus originalis Rosaceae COLD SPRING BLACKBERRY N 0 2 Rubus paganus Rosaceae GROUNDBERRY, ST. LAWRENCE DEWBERRY N 510 4 Rubus pensilvanicus Rosaceae PENNSYLVANIA BLACKBERRY N 526 14 Rubus pergratus Rosaceae UPLAND BLACKBERRY N 524 1 Rubus permixtus Rosaceae THICKET DEWBERRY N 510 6 Rubus pervarius Rosaceae GROUNDBERRY, WESTMINSTER DEWBERRY N 510 1 Rubus philadelphicus Rosaceae PHILADELPHIA BLACKBERRY N 526 11 Rubus phoenicolasius Rosaceae WINEBERRY, WINE RASPBERRY E 508 25 Rubus plicatifolius Rosaceae PLAIT‐LEAF DEWBERRY N 516 8 Rubus prestonensis Rosaceae TERRA ALTA BLACKBERRY N 524 7 Rubus provincialis Rosaceae GROUNDBERRY N 510 3 Rubus pubescens var. pubescens Rosaceae DWARF RED BRAMBLE, DWARF RED RASPBERRY N 508 4 Rubus pugnax Rosaceae PUGNACIOUS BLACKBERRY N 522 1 Rubus racemiger Rosaceae BRISTLEBERRY, RACEMED DEWBERRY N 512 1 Rubus roribaccus Rosaceae LUCRETIA DEWBERRY N 516 14 Rubus rosa Rosaceae ROSE BLACKBERRY N 522 8 Rubus russeus Rosaceae HALIFAX BLACKBERRY N 520 4 Rubus setosus Rosaceae BRISTLY BLACKBERRY, SETOSE BLACKBERRY N 510 3 Rubus steelei Rosaceae STEELE'S DEWBERRY N 514 11 Rubus suus Rosaceae BRANCHED BLACKBERRY N 526 21 Rubus tomentosus var. canescens Rosaceae WOOLLY BLACKBERRY E 526 1 Rubus trux Rosaceae LOOKOUT MOUNTAIN BLACKBERRY N 524 7 Rubus tygartensis Rosaceae TAYLOR COUNTY BLACKBERRY N 524 1 Rudbeckia fulgida var. fulgida Asteraceae BRILLIANT CONEFLOWER N 974 13 Rudbeckia fulgida var. speciosa Asteraceae SHOWY CONEFLOWER A 974 5 Rudbeckia hirta var. hirta Asteraceae BLACK‐EYED SUSAN N 974 24 Rudbeckia hirta var. pulcherrima Asteraceae BLACK‐EYED SUSAN A 974 34 Rudbeckia laciniata var. laciniata Asteraceae TALL CONEFLOWER N 974 40 Rudbeckia triloba var. triloba Asteraceae THREE‐LOBED CONEFLOWER N 974 31 Ruellia caroliniensis ssp. caroliniensis var. carolinie Acanthaceae WILD‐PETUNIA N 874 14 Ruellia humilis Acanthaceae WILD‐PETUNIA N 874 2 Ruellia purshiana Acanthaceae WILD‐PETUNIA A 874 4 Ruellia strepens Acanthaceae WILD‐PETUNIA N 874 11 Rumex acetosella Polygonaceae SHEEP SORREL, FIELD SORREL E 328 50 Rumex altissimus Polygonaceae TALL DOCK, PALE DOCK N 326 12 Rumex conglomeratus Polygonaceae CLUSTERED GREEN DOCK E 326 6 Rumex crispus ssp. crispus Polygonaceae CURLY DOCK, YELLOW DOCK E 328 36 Rumex maritimus Polygonaceae GOLDEN DOCK E 0 1 Rumex obtusifolius Polygonaceae BROADLEAF DOCK, BITTER DOCK E 328 39 Rumex patientia Polygonaceae PATIENCE DOCK E 328 1 Rumex pulcher Polygonaceae FIDDLE DOCK E 328 1 Rumex salicifolius var. mexicanus Polygonaceae WILLOW DOCK N 0 10 Rumex verticillatus Polygonaceae SWAMP DOCK, WATER DOCK N 1045 5 Ruta graveolens Rutaceae COMMON RUE E 588 5 Sabatia angularis Gentianaceae ROSE PINK N 742 39 Saccharum alopecuroides Poaceae PLUMEGRASS N 72 11 Sagina decumbens ssp. decumbens Caryophyllaceae TRAILING PEARLWORT N 0 2 Sagina procumbens Caryophyllaceae PEARLWORT A 360 7 Sagittaria australis Alismataceae LONG‐BEAKED ARROWHEAD N 62 17 Sagittaria calycina var. calycina Alismataceae LONG‐LOBE ARROWHEAD A 62 5 Sagittaria graminea var. graminea Alismataceae GRASS‐LEAVED ARROWHEAD N 64 10 Sagittaria latifolia Alismataceae DUCK‐POTATO, WAPATO N 62 28 Sagittaria platyphylla Alismataceae DELTA ARROWHEAD A 0 1 Sagittaria rigida Alismataceae STIFF ARROWHEAD N 62 4 Salix alba Salicaceae WHITE WILLOW E 280 21 Salix amygdaloides Salicaceae PEACHLEAF WILLOW N 0 2 Salix caroliniana Salicaceae WARD'S WILLOW N 278 14 Salix cinerea Salicaceae GRAY WILLOW E 282 7 Salix discolor Salicaceae GLAUCOUS WILLOW N 282 10 Salix eriocephala Salicaceae HEARTLEAF WILLOW N 280 24 Salix fragilis Salicaceae CRACK WILLOW E 278 5 Salix humilis var. humilis Salicaceae UPLAND WILLOW N 282 26 Salix humilis var. tristis Salicaceae DWARF GRAY WILLOW N 282 10 Salix interior Salicaceae SANDBAR WILLOW N 280 29 Salix lucida ssp. lucida Salicaceae SHINING WILLOW N 278 4 Salix nigra Salicaceae BLACK WILLOW N 278 45 Salix purpurea Salicaceae PURPLE WILLOW E 282 7 X Salix sericea Salicaceae SILKY WILLOW N 282 36 Salix ×bebbii Salicaceae WILLOW N 0 3 Salix ×conifera Salicaceae WILLOW N 0 1 Salix ×ehrhartiana Salicaceae WILLOW E 0 1 Salix ×pendulina Salicaceae WEEPING WILLOW E 280 13 Salix ×rubens Salicaceae WILLOW E 0 1 Salix ×sepulcralis Salicaceae WILLOW E 0 3 Salsola collina Chenopodiaceae KATUNE E 0 1 Salsola tragus Chenopodiaceae RUSSIAN THISTLE E 346 6 Salvia lyrata Lamiaceae WILD SAGE, LYRE‐LEAVED SAGE N 810 38 Salvia officinalis Lamiaceae COMMON SAGE E 810 2 Salvia reflexa Lamiaceae LANCELEAF SAGE I 810 3 Salvia verticillata Lamiaceae WHORLED SAGE E 810 1 sp? Sambucus nigra ssp. canadensis Caprifoliaceae BLACK ELDERBERRY, COMMON ELDER N 900 50 sp? Sambucus racemosa var. racemosa Caprifoliaceae RED ELDERBERRY N 900 20 Samolus valerandi ssp. parviflorus Primulaceae WATER PIMPERNEL N 736 11 Sanguinaria canadensis Papaveraceae BLOODROOT, PUCCOON N 412 46 Sanguisorba canadensis Rosaceae BURNET N 530 5 Sanguisorba minor ssp. muricata Rosaceae GARDEN BURNET E 530 5 Sanicula canadensis var. canadensis Apiaceae BLACK SNAKEROOT N 684 40 Sanicula canadensis var. grandis Apiaceae BLACK SNAKEROOT N 684 1 Sanicula marilandica Apiaceae SANICLE N 684 14 Sanicula odorata Apiaceae CLUSTERED SNAKEROOT N 684 18 Sanicula smallii Apiaceae SOUTHERN SANICLE N 0 5 Sanicula trifoliata Apiaceae TRIFOLIATE SNAKEROOT N 684 30 Saponaria officinalis Caryophyllaceae SOAPWORT, BOUNCING BET E 372 45 Sarracenia purpurea ssp. gibbosa Sarraceniaceae PITCHER PLANT I 440 4 Sassafras albidum Lauraceae SASSAFRAS N 410 54 Satureja hortensis Lamiaceae SUMMER SAVORY E 0 1 Saururus cernuus Saururaceae LIZARD'S TAIL N 275 17 Saxifraga careyana Saxifragaceae CAREY'S SAXIFRAGE N 0 6 Saxifraga caroliniana Saxifragaceae CAROLINA SAXIFRAGE N 1046 2 Saxifraga michauxii Saxifragaceae MICHAUX'S SAXIFRAGE N 448 3 Saxifraga micranthidifolia Saxifragaceae LETTUCE SAXIFRAGE N 448 15 Saxifraga pensylvanica Saxifragaceae SWAMP SAXIFRAGE N 450 13 Saxifraga virginiensis var. virginiensis Saxifragaceae EARLY SAXIFRAGE N 448 39 Scheuchzeria palustris ssp. americana Scheuchzeriaceae POD GRASS N 60 1 Schizachne purpurascens Poaceae FALSE MELIC N 124 6 Schizachyrium scoparium var. scoparium Poaceae LITTLE BLUESTEM N 74 35 Schoenoplectus acutus var. acutus Cyperaceae HARD‐STEM BULRUSH N 164 2 Schoenoplectus pungens var. pungens Cyperaceae THREE‐SQUARE N 162 15 Schoenoplectus purshianus Cyperaceae CLUBRUSH, BULRUSH N 162 13 Schoenoplectus smithii Cyperaceae BLUNTSCALE BULRUSH A 0 3 Schoenoplectus tabernaemontani Cyperaceae GREAT BULRUSH N 164 33 Schoenoplectus torreyi Cyperaceae BULRUSH A 0 1 Scirpus ancistrochaetus Cyperaceae NORTHEASTERN BULRUSH N 0 2 Scirpus atrocinctus Cyperaceae WOOLGRASS N 166 9 Scirpus atrovirens Cyperaceae BLACK BULRUSH N 164 30 X Scirpus cyperinus Cyperaceae WOOLGRASS N 164 37 Scirpus expansus Cyperaceae BULRUSH N 164 13 Scirpus georgianus Cyperaceae BULRUSH N 164 26 Scirpus hattorianus Cyperaceae MOSQUITO BULRUSH N 0 9 Scirpus lineatus Cyperaceae DROOPING BULRUSH N 0 1 Scirpus microcarpus Cyperaceae BULRUSH N 164 5 Scirpus pendulus Cyperaceae RUFOUS BULRUSH N 164 20 Scirpus polyphyllus Cyperaceae BULRUSH N 164 39 Scleranthus annuus Caryophyllaceae KNAWEL E 356 14 Scleria oligantha Cyperaceae LITTLE‐HEAD NUT‐RUSH N 0 2 Scleria pauciflora var. pauciflora Cyperaceae NUTRUSH N 0 1 Scleria triglomerata Cyperaceae NUTRUSH N 168 7 Sclerochloa dura Poaceae COMMON HARD GRASS E 0 2 Scrophularia lanceolata Scrophulariaceae HARE FIGWORT N 844 19 Scrophularia marilandica Scrophulariaceae MARYLAND FIGWORT N 844 37 Scutellaria elliptica var. elliptica Lamiaceae HAIRY SKULLCAP N 795 21 Scutellaria elliptica var. hirsuta Lamiaceae HAIRY SKULLCAP N 795 21 Scutellaria galericulata Lamiaceae HOODED SKULLCAP N 796 2 Scutellaria incana var. incana Lamiaceae DOWNY SKULLCAP N 796 25 Scutellaria incana var. punctata Lamiaceae DOWNY SKULLCAP N 796 3 Scutellaria integrifolia Lamiaceae LARGE‐FLOWERED SKULLCAP N 796 18 Scutellaria lateriflora var. lateriflora Lamiaceae MAD‐DOG SKULLCAP N 796 27 Scutellaria nervosa Lamiaceae VEINED SKULLCAP N 798 23 Scutellaria ovata ssp. ovata Lamiaceae HEART‐LEAVED SKULLCAP N 795 7 Scutellaria ovata ssp. rugosa Lamiaceae HEART‐LEAVED SKULLCAP N 795 9 Scutellaria ovata ssp. virginiana Lamiaceae HEART‐LEAVED SKULLCAP N 795 5 Scutellaria parvula var. australis Lamiaceae SOUTHERN SKULLCAP N 798 2 Scutellaria parvula var. missouriensis Lamiaceae SHALE SKULLCAP N 798 8 Scutellaria saxatilis Lamiaceae ROCK SKULLCAP N 796 12 Scutellaria serrata Lamiaceae SHOWY SKULLCAP N 796 17 Secale cereale Poaceae RYE E 0 9 Sedum acre Crassulaceae MOSSY STONECROP E 442 4 Sedum album Crassulaceae WHITE STONECROP E 442 2 Sedum glaucophyllum Crassulaceae CLIFF STONECROP, STIFF STONECROP N 444 9 Sedum nevii Crassulaceae NEVIUS' STONECROP N 0 1 Sedum sarmentosum Crassulaceae STONECROP E 442 12 Sedum ternatum Crassulaceae WILD STONECROP N 444 53 Selaginella apoda Selaginellaceae MEADOW SPIKEMOSS N 6 23 Selaginella rupestris Selaginellaceae ROCK SPIKEMOSS N 6 11 Senecio vulgaris Asteraceae COMMON GROUNDSEL E 1004 10 Senna hebecarpa Fabaceae WILD HAIRY‐FRUITED SENNA N 542 21 Senna marilandica Fabaceae WILD SENNA N 542 17 Senna obtusifolia Fabaceae SICKLE‐POD A 0 2 Sericocarpus asteroides Asteraceae TOOTHED WHITE‐TOPPED ASTER N 958 36 Sericocarpus linifolius Asteraceae NARROW‐LEAVED WHITE‐TOPPED ASTER N 958 3 Setaria faberi Poaceae GIANT FOXTAIL‐GRASS E 96 24 Setaria glauca Poaceae YELLOW FOXTAIL, PEARL MILLET E9647 Setaria italica Poaceae FOXTAIL MILLET E9610 Setaria parviflora Poaceae KNOTROOT FOXTAIL N 96 15 Setaria verticillata Poaceae BRISTLY FOXTAIL E 96 3 X Setaria viridis var. viridis Poaceae GREEN FOXTAIL E 96 29 Sherardia arvensis Rubiaceae FIELD MADDER E 879 15 Sibara virginica Brassicaceae VIRGINIA CRESS N 438 6 Sibbaldiopsis tridentata Rosaceae THREE‐TOOTHED CINQUEFOIL N 494 7 Sicyos angulatus Cucurbitaceae ONE‐SEEDED BUR‐CUCUMBER N 904 38 Sida hermaphrodita Malvaceae VIRGINIA MALLOW N 634 9 Sida spinosa Malvaceae PRICKLY SIDA E 634 32 Silene antirrhina Caryophyllaceae SLEEPY CATCHFLY N 370 29 Silene armeria Caryophyllaceae SWEET WILLIAM CATCHFLY E 370 8 Silene caroliniana ssp. pensylvanica Caryophyllaceae WILD PINK N 370 16 Silene caroliniana ssp. wherryi Caryophyllaceae WILD PINK N 0 3 Silene csereii Caryophyllaceae BLADDER CAMPION E 0 3 Silene dichotoma Caryophyllaceae FORKED CATCHFLY E 370 9 Silene latifolia ssp. alba Caryophyllaceae WHITE CAMPION E 368 25 Silene nivea Caryophyllaceae SNOWY CAMPION N 370 7 Silene noctiflora Caryophyllaceae NIGHT FLOWERING CATCHFLY E 370 19 Silene rotundifolia Caryophyllaceae ROUNDLEAF CATCHFLY N 372 4 Silene stellata Caryophyllaceae STARRY CAMPION N 370 27 Silene virginica var. robusta Caryophyllaceae FIRE PINK, CATCHFLY N 372 4 Silene virginica var. virginica Caryophyllaceae FIRE PINK, CATCHFLY N 372 27 Silene vulgaris Caryophyllaceae BLADDER CAMPION E 370 22 Silphium compositum var. reniforme Asteraceae ROSINWEED N 970 3 Silphium perfoliatum var. connatum Asteraceae CUP‐PLANT N 968 7 Silphium perfoliatum var. perfoliatum Asteraceae CUP‐PLANT N 968 6 Silphium trifoliatum var. trifoliatum Asteraceae WHORLED ROSINWEED N 970 23 Silybum marianum Asteraceae MILK THISTLE E 1010 1 Sinapis alba Brassicaceae WHITE MUSTARD E 426 4 Sinapis arvensis Brassicaceae CHARLOCK E 426 19 Sisymbrium altissimum Brassicaceae TUMBLE MUSTARD E 430 11 Sisymbrium loeselii Brassicaceae TALL HEDGE‐MUSTARD E 0 2 Sisymbrium officinale Brassicaceae HEDGE MUSTARD E 430 26 Sisyrinchium albidum Iridaceae WHITE BLUE‐EYED GRASS N 0 1 Sisyrinchium angustifolium Iridaceae BLUE‐EYED GRASS N 252 44 Sisyrinchium atlanticum Iridaceae EASTERN BLUE‐EYED GRASS N 0 1 Sisyrinchium montanum var. montanum Iridaceae STRICT BLUE‐EYED GRASS N 0 1 Sisyrinchium mucronatum Iridaceae BLUE‐EYED GRASS N 252 13 Sium suave Apiaceae WATER‐PARSNIP N 692 8 Smallanthus uvedalius Asteraceae YELLOW‐FLOWERED LEAFCUP N 968 36 sp? Smilax ecirrata Smilacaceae UPRIGHT SMILAX N 248 3 sp? Smilax glauca Smilacaceae SAW BRIER N 248 32 sp? Smilax herbacea Smilacaceae CARRION FLOWER N 248 28 sp? Smilax pulverulenta Smilacaceae GREENBRIER N 248 5 sp? Smilax rotundifolia Smilacaceae COMMON GREENBRIER N 248 44 sp? Smilax tamnoides Smilacaceae HISPID GREENBRIER N 250 40 X Solanum carolinense var. carolinense Solanaceae HORSE‐NETTLE N 832 43 Solanum dulcamara var. dulcamara Solanaceae BITTERSWEET E 830 26 Solanum ptychanthum Solanaceae EASTERN BLACK NIGHTSHADE N 830 28 Solanum rostratum Solanaceae BUFFALO‐BUR A 832 6 Solidago altissima Asteraceae TALL GOLDENROD N 940 45 Solidago arguta var. arguta Asteraceae CUTLEAF GOLDENROD N 936 19 Solidago arguta var. boottii Asteraceae CUTLEAF GOLDENROD, ATLANTIC GOLDENROD N 938 4 Solidago arguta var. caroliniana Asteraceae BOOTT'S GOLDENROD, CUTLEAF GOLDENROD N 938 2 Solidago arguta var. harrisii Asteraceae SHALE BARREN GOLDENROD N 936 11 Solidago bicolor Asteraceae SILVERROD N 932 43 Solidago caesia Asteraceae WREATH GOLDENROD N 930 45 Solidago canadensis Asteraceae CANADA GOLDENROD N 940 37 Solidago curtisii Asteraceae CURTIS' GOLDENROD N 932 14 Solidago erecta Asteraceae SLENDER GOLDENROD N 934 29 Solidago faucibus Asteraceae GORGE GOLDENROD N 0 2 Solidago flexicaulis Asteraceae BROADLEAF GOLDENROD N 932 41 Solidago gigantea Asteraceae LATE GOLDENROD N 942 26 Solidago gracillima Asteraceae VIRGINIA GOLDENROD N 0 3 Solidago hispida var. hispida Asteraceae HISPID GOLDENROD N 932 15 Solidago juncea var. juncea Asteraceae EARLY GOLDENROD, YELLOW‐TOP N 936 44 Solidago latissimifolia Asteraceae ELLIOTT'S GOLDENROD N 0 1 Solidago nemoralis var. nemoralis Asteraceae OLDFIELD GOLDENROD N 938 42 Solidago odora var. odora Asteraceae SWEET GOLDENROD N 938 15 Solidago patula var. patula Asteraceae ROUGH GOLDENROD N 938 4 Solidago petiolaris var. angusta Asteraceae DOWNY RAGGED GOLDENROD N 0 1 Solidago pinetorum Asteraceae SMALL'S GOLDENROD A 0 2 Solidago puberula var. puberula Asteraceae DOWNY GOLDENROD N 934 20 Solidago roanensis Asteraceae MOUNTAIN GOLDENROD N 934 14 var? Solidago rugosa ssp. aspera Asteraceae WRINKLED‐LEAF GOLDENROD N 940 11 var? Solidago rugosa ssp. rugosa var. rugosa Asteraceae WRINKLED‐LEAF GOLDENROD N 940 17 var? Solidago rugosa ssp. rugosa var. villosa Asteraceae WRINKLED‐LEAF GOLDENROD N 940 13 Solidago simplex ssp. randii var. racemosa Asteraceae RIVERBANK GOLDENROD N 934 11 Solidago simplex ssp. randii var. randii Asteraceae RAND'S GOLDENROD N 934 5 Solidago speciosa var. speciosa Asteraceae SHOWY GOLDENROD N 936 11 Solidago sphacelata Asteraceae FALSE GOLDENROD N 938 13 Solidago squarrosa Asteraceae SQUARROSE GOLDENROD, STOUT GOLDENROD N 932 11 Solidago uliginosa var. linoides Asteraceae BOG GOLDENROD N 0 5 Solidago uliginosa var. uliginosa Asteraceae BOG GOLDENROD N 936 12 Solidago ulmifolia var. ulmifolia Asteraceae ELM‐LEAF GOLDENROD N 940 33 Sonchus arvensis ssp. uliginosus Asteraceae FIELD SOW THISTLE E 1018 15 Sonchus asper ssp. asper Asteraceae SPINY SOW THISTLE E 1018 34 Sonchus oleraceus Asteraceae ANNUAL SOW THISTLE E 1018 17 Sorbaria sorbifolia Rosaceae FALSE SPIRAEA E 466 2 Sorbus americana Rosaceae MOUNTAINASH N 470 12 Sorbus aucuparia Rosaceae EUROPEAN MOUNTAINASH E 470 3 X Sorghastrum nutans Poaceae INDIAN GRASS N 72 34 Sorghum bicolor ssp. bicolor Poaceae BROOM CORN E 0 5 Sorghum halepense Poaceae JOHNSON GRASS E 72 43 Sparganium americanum Sparganiaceae AMERICAN BURREED N 52 32 Sparganium androcladum Sparganiaceae STAMINATE BURREED N 52 13 Sparganium emersum Sparganiaceae BURREED N 52 15 Sparganium eurycarpum Sparganiaceae LARGE BURREED N 52 9 Spartina pectinata Poaceae PRAIRIE CORDGRASS N 120 18 Spergula arvensis Caryophyllaceae CORN SPURREY E 360 8 Spergularia maritima Caryophyllaceae SATIN FLOWER E 0 2 Spermacoce glabra Rubiaceae BUTTONWEED N 0 1 Sphenopholis intermedia Poaceae SLENDER WEDGEGRASS N 116 24 Sphenopholis nitida Poaceae SHINING WEDGEGRASS N 116 18 Sphenopholis obtusata Poaceae PRAIRIE WEDGEGRASS N 116 10 Sphenopholis pensylvanica Poaceae GRASS N 116 10 Spiraea alba var. alba Rosaceae MEADOWSWEET, PIPESTEM N 464 21 Spiraea alba var. latifolia Rosaceae BROADLEAF MEADOWSWEET N 464 8 Spiraea betulifolia var. corymbosa Rosaceae CORYMBED SPIRAEA N 464 6 Spiraea japonica var. fortunei Rosaceae JAPANESE SPIRAEA E 464 19 Spiraea prunifolia Rosaceae BRIDAL WREATH E 0 5 X Spiraea tomentosa Rosaceae HARDHACK, STEEPLEBUSH N 464 25 Spiraea virginiana Rosaceae VIRGINIA SPIRAEA N 464 7 Spiraea ×billiardii Rosaceae MEADOWSWEET E01 Spiraea ×vanhouttei Rosaceae SPIRAEA E 0 7 Spiranthes cernua Orchidaceae NODDING LADIES' TRESSES N 266 33 Spiranthes lacera var. gracilis Orchidaceae SLENDER LADIES' TRESSES N 266 47 Spiranthes lacera var. lacera Orchidaceae NORTHERN SLENDER LADIES' TRESSES N 266 2 Spiranthes lucida Orchidaceae WIDE‐LEAVED LADIES' TRESSES, SHINING LADIES' TRESSN 266 12 Spiranthes ochroleuca Orchidaceae YELLOW NODDING LADIES' TRESSES N 0 32 Spiranthes ovalis var. erostellata Orchidaceae OVAL LADIES' TRESSES N 266 5 Spiranthes tuberosa Orchidaceae LITTLE LADIES' TRESSES N 266 14 Spiranthes vernalis Orchidaceae GRASSLEAF LADIES' TRESSES, SPRING LADIES' TRESSES N 1045 19 Spirodela polyrrhiza Lemnaceae GREATER DUCKWEED N 208 6 Sporobolus clandestinus Poaceae DROPSEED N 0 2 Sporobolus compositus var. compositus Poaceae LONGLEAF DROPSEED A 110 2 Sporobolus cryptandrus Poaceae SAND DROPSEED A 110 1 Sporobolus neglectus Poaceae DROPSEED A 0 3 Sporobolus vaginiflorus Poaceae DROPSEED N 110 14 Stachys aspera Lamiaceae ROUGH HEDGE‐NETTLE N 810 1 Stachys eplingii Lamiaceae EPLING'S HEDGE‐NETTLE N 0 2 Stachys germanica Lamiaceae EUROPEAN HEDGE‐NETTLE E 808 2 Stachys latidens Lamiaceae HEDGE‐NETTLE N 810 4 Stachys nuttallii Lamiaceae NUTTALL'S HEDGE‐NETTLE N 808 19 Stachys pilosa Lamiaceae MARSH WOUNDWORT N 808 6 Stachys tenuifolia Lamiaceae SMOOTH HEDGE‐NETTLE N 810 24 Staphylea trifolia Staphyleaceae BLADDERNUT N 614 38 Steinchisma hians Poaceae GAPING GRASS A 0 1 Stellaria alsine Caryophyllaceae BOG CHICKWEED N 0 3 Stellaria borealis ssp. borealis Caryophyllaceae NORTHERN STITCHWORT N 364 1 Stellaria corei Caryophyllaceae TENNESSEE CHICKWEED N 364 12 Stellaria graminea Caryophyllaceae LESSER STITCHWORT E 364 28 Stellaria longifolia var. longifolia Caryophyllaceae LONGLEAF STITCHWORT N 364 14 Stellaria media ssp. media Caryophyllaceae COMMON CHICKWEED E 362 34 Stellaria media ssp. pallida Caryophyllaceae COMMON CHICKWEED E 362 4 Stellaria pubera Caryophyllaceae GREAT CHICKWEED N 362 47 Stenanthium gramineum var. gramineum Liliaceae FEATHERBELLS N 224 9 Stenanthium gramineum var. micranthum Liliaceae FEATHERBELLS N 0 2 Stenanthium gramineum var. robustum Liliaceae FEATHERBELLS N 224 6 Streptopus lanceolatus var. roseus Liliaceae TWISTED STALK N 242 10 Strophostyles helvula Fabaceae TRAILING WILD BEAN N 572 21 Strophostyles leiosperma Fabaceae SMALL‐FLOWERED WILD BEAN A 0 1 Stuckenia pectinata Potamogetonaceae SAGO FALSE PONDWEED N 56 8 Stylophorum diphyllum Papaveraceae CELANDINE POPPY N 412 19 Stylosanthes biflora Fabaceae PENCILFLOWER N 568 23 Suaeda linearis Chenopodiaceae ANNUAL SEEPWEED A 0 1 Symphoricarpos albus var. albus Caprifoliaceae SNOWBERRY N 894 15 X Symphoricarpos orbiculatus Caprifoliaceae CORALBERRY, INDIAN CURRANT N 894 37 Symphyotrichum boreale Asteraceae RUSHLIKE ASTER N 952 4 Symphyotrichum cordifolium Asteraceae BLUE WOOD ASTER N 944 41 Symphyotrichum depauperatum Asteraceae EASTERN SERPENTINE ASTER N 950 1 Symphyotrichum drummondii var. drummondii Asteraceae HAIRY HEART‐LEAVED ASTER N 0 3 Symphyotrichum dumosum var. dumosum Asteraceae BRUSHY ASTER N 952 18 Symphyotrichum laeve var. concinnum Asteraceae NARROW‐LEAVED SMOOTH ASTER N 0 13 Symphyotrichum laeve var. laeve Asteraceae STEELE'S ASTER, SMOOTH ASTER N 948 10 Symphyotrichum lanceolatum ssp. lanceolatum varAsteraceae PANICLED ASTER N 952 37 X Symphyotrichum lateriflorum Asteraceae CALICO ASTER, GOBLET ASTER, STARVED ASTER N 952 40 Symphyotrichum lowrieanum Asteraceae LOWRIE'S ASTER, BLUE WOOD ASTER N 946 22 Symphyotrichum novae‐angliae Asteraceae NEW ENGLAND ASTER N 948 33 Symphyotrichum novi‐belgii Asteraceae LONG‐LEAVED ASTER N 948 5 Symphyotrichum oblongifolium Asteraceae SHALE BARREN ASTER N 946 13 Symphyotrichum ontarionis Asteraceae BOTTOMLAND ASTER, TRADESCANT'S ASTER N 952 8 Symphyotrichum patens var. patens Asteraceae LATE PURPLE ASTER N 946 16 Symphyotrichum phlogifolium Asteraceae LATE PURPLE ASTER N 946 20 Symphyotrichum pilosum var. pilosum Asteraceae WHITE HEATH ASTER, STEELWEED, MICHAELMAS DAISYN 950 46 Symphyotrichum pilosum var. pringlei Asteraceae WHITE HEATH ASTER N 950 6 Symphyotrichum praealtum Asteraceae TALL ASTER N 952 10 X Symphyotrichum prenanthoides Asteraceae CROOKED‐STEM ASTER N 948 45 X Symphyotrichum puniceum var. puniceum Asteraceae PURPLE‐STEM ASTER N 948 30 Symphyotrichum racemosum Asteraceae SMALL WHITE ASTER, FRAGILE STEM ASTER N 952 27 Symphyotrichum shortii Asteraceae SHORT'S ASTER N 944 19 Symphyotrichum undulatum Asteraceae WAVY‐LEAF ASTER N 946 41 Symphyotrichum ×finkii Asteraceae SQUARROSE WHITE ASTER N 946 1 Symphytum officinale Boraginaceae COMFREY E 778 4 Symplocarpus foetidus Araceae SKUNK CABBAGE N 206 20 Synandra hispidula Lamiaceae GYANDOTTE BEAUTY, SYNANDRA N 804 7 Syringa vulgaris Oleaceae COMMON LILAC E 0 5 Taenidia integerrima Apiaceae YELLOW PIMPERNEL N 692 34 Taenidia montana Apiaceae MOUNTAIN PIMPERNEL N 696 12 Talinum teretifolium Portulacaceae FAMEFLOWER N 354 2 Tanacetum parthenium Asteraceae FEVERFEW E 1000 6 Tanacetum vulgare Asteraceae TANSY E 1000 13 Taraxacum laevigatum Asteraceae RED‐SEEDED DANDELION E 1016 14 Taraxacum officinale ssp. officinale Asteraceae COMMON DANDELION E 1016 51 Taxodium distichum Cupressaceae BALD CYPRESS I 1043 5 Taxus canadensis Taxaceae AMERICAN YEW N 44 15 Tephrosia virginiana Fabaceae GOAT'S RUE, HOARY PEA, CATGUT N 554 25 Tetragonia tetragonioides Aizoaceae NEW ZEALAND SPINACH E 352 2 Teucrium botrys Lamiaceae GERMANDER E 1047 2 Teucrium canadense var. canadense Lamiaceae AMERICAN GERMANDER N 794 38 Teucrium canadense var. occidentale Lamiaceae WESTERN GERMANDER A 794 1 Thalictrum clavatum Ranunculaceae MOUNTAIN MEADOWRUE N 386 3 Thalictrum coriaceum Ranunculaceae LEATHERLEAF MEADOWRUE N 386 9 Thalictrum dioicum Ranunculaceae EARLY MEADOWRUE N 388 36 Thalictrum pubescens Ranunculaceae LATE MEADOWRUE, TALL MEADOWRUE N 388 29 Thalictrum revolutum Ranunculaceae REVOLUTE MEADOWRUE N 388 23 Thalictrum thalictroides Ranunculaceae RUE ANEMONE N 388 50 Thaspium barbinode Apiaceae HAIRY‐JOINTED MEADOW‐PARSNIP N 694 34 Thaspium trifoliatum var. aureum Apiaceae WOODLAND MEADOW‐PARSNIP N 694 9 Thaspium trifoliatum var. trifoliatum Apiaceae WOODLAND MEADOW‐PARSNIP N 694 18 X Thelypteris noveboracensis Thelypteridaceae NEW YORK FERN N 24 41 Thelypteris palustris var. pubescens Thelypteridaceae MARSH FERN N 24 18 Thelypteris simulata Thelypteridaceae BOG FERN N 24 3 Thermopsis villosa Fabaceae BLUE‐RIDGE BUCKBEAN A 0 1 Thlaspi alliaceum Brassicaceae FIELD PENNYCRESS N 0 7 Thlaspi arvense Brassicaceae FIELD PENNYCRESS E 422 27 Thuja occidentalis Cupressaceae ARBOR‐VITAE, NORTHERN WHITE CEDAR N 50 20 Thymus praecox ssp. arcticus Lamiaceae WILD THYME E 822 4 X Tiarella cordifolia Saxifragaceae FOAMFLOWER, FALSE MITERWORT N 450 40 Tilia americana var. americana Tiliaceae BASSWOOD, AMERICAN LINDEN N 630 29 Tilia americana var. heterophylla Tiliaceae WHITE BASSWOOD N 630 41 Tilia ×vulgaris Tiliaceae BASSWOOD E 0 1 Tipularia discolor Orchidaceae CRANEFLY ORCHID N 272 42 Torilis arvensis ssp. arvensis Apiaceae HEDGE PARSLEY E 0 4 Torilis japonica Apiaceae HEDGE PARSLEY E 686 12 Torreyochloa pallida var. fernaldii Poaceae MANNAGRASS N 138 4 Torreyochloa pallida var. pallida Poaceae MANNAGRASS N 138 3 Toxicodendron pubescens Anacardiaceae POISON OAK N 0 1 var? Toxicodendron radicans ssp. negundo Anacardiaceae EASTERN POISON IVY N 0 8 var? Toxicodendron radicans ssp. radicans Anacardiaceae EASTERN POISON IVY N 608 33 Toxicodendron rydbergii Anacardiaceae POISON IVY N 608 2 Toxicodendron vernix Anacardiaceae POISON SUMAC N 608 6 Tradescantia ohiensis Commelinaceae SPIDERWORT N 210 15 Tradescantia subaspera Commelinaceae SPIDERWORT N 210 14 Tradescantia virginiana Commelinaceae SPIDERWORT N 210 18 Tragopogon dubius Asteraceae LARGE GOAT'S BEARD E 1016 21 Tragopogon porrifolius Asteraceae PURPLE GOAT'S BEARD, GO‐TO‐BED‐AT‐NOON, NOONFE 1016 10 Tragopogon pratensis ssp. pratensis Asteraceae YELLOW GOAT'S BEARD E 1016 15 Trautvetteria caroliniensis var. caroliniensis Ranunculaceae TASSELRUE N 386 21 Triadenum fraseri Clusiaceae MARSH ST. JOHN'S‐WORT N 640 11 Triadenum tubulosum Clusiaceae LARGE MARSH ST. JOHN'S‐WORT N 0 6 Triadenum virginicum Clusiaceae MARSH ST. JOHN'S‐WORT N 640 13 Triadenum walteri Clusiaceae LARGE MARSH ST. JOHN'S‐WORT N 640 3 Triantha glutinosa Liliaceae FALSE ASPHODEL N 224 2 Trichomanes boschianum Hymenophyllaceae FILMY FERN N 14 5 Trichophorum planifolium Cyperaceae TUFTED LEAFLESS BULRUSH N 162 3 Trichostema dichotomum Lamiaceae BLUE CURLS N 792 29 Trichostema setaceum Lamiaceae NARROW‐LEAVED BLUE CURLS A 792 6 Tridens flavus var. flavus Poaceae PURPLETOP, TALL REDTOP N 122 44 Trientalis borealis ssp. borealis Primulaceae STAR FLOWER N 734 12 Trifolium arvense Fabaceae RABBITFOOT CLOVER E 548 17 Trifolium aureum Fabaceae YELLOW HOP CLOVER E 550 33 Trifolium campestre Fabaceae LOW HOP CLOVER E 550 43 Trifolium dubium Fabaceae SMALL HOP CLOVER E 550 7 Trifolium hybridum Fabaceae ALSIKE CLOVER E 550 41 Trifolium incarnatum Fabaceae CRIMSON CLOVER E 548 10 X Trifolium pratense Fabaceae RED CLOVER E 548 51 Trifolium reflexum Fabaceae BUFFALO CLOVER N 550 2 Trifolium repens Fabaceae WHITE CLOVER E 548 48 Trifolium resupinatum Fabaceae REVERSED CLOVER E 548 2 Trifolium stoloniferum Fabaceae RUNNING BUFFALO CLOVER N 550 9 Trifolium virginicum Fabaceae KATES MOUNTAIN CLOVER N 550 10 Trillium cernuum Liliaceae NODDING TRILLIUM N 246 1 Trillium erectum Liliaceae ILL‐SCENTED TRILLIUM, WAKE ROBIN N 246 39 Trillium flexipes Liliaceae DROOPING TRILLIUM N 246 11 Trillium grandiflorum Liliaceae LARGE‐FLOWERED TRILLIUM N 246 41 Trillium nivale Liliaceae SNOWY TRILLIUM N 248 6 Trillium pusillum var. virginianum Liliaceae DWARF TRILLIUM N 0 1 Trillium sessile Liliaceae SESSILE TRILLIUM N 246 31 Trillium sulcatum Liliaceae SULCATE ILL‐SCENTED TRILLIUM N 0 12 Trillium undulatum Liliaceae PAINTED TRILLIUM N 248 18 Triodanis perfoliata Campanulaceae VENUS' LOOKING GLASS, ROUND‐LEAVED TRIODANIS N 906 45 Triosteum angustifolium Caprifoliaceae FEVERWORT N 896 7 Triosteum aurantiacum var. aurantiacum Caprifoliaceae HORSEGENTIAN, WILDCOFFEE N 896 20 Triosteum perfoliatum Caprifoliaceae TINKER'S WEED N 896 11 Triphora trianthophora Orchidaceae NODDING POGONIA N 264 8 Tripsacum dactyloides Poaceae EASTERN GAMA GRASS N 72 6 Triticum aestivum Poaceae COMMON WHEAT E 0 11 X Tsuga canadensis Pinaceae HEMLOCK, SPRUCE‐PINE N 46 42 Tussilago farfara Asteraceae COLTSFOOT E 1002 54 Typha angustifolia Typhaceae NARROW‐LEAVED CATTAIL N 52 23 Typha latifolia Typhaceae BROAD‐LEAVED CATTAIL N 52 39 Typha ×glauca Typhaceae CATTAIL N 0 7 Ulmus americana Ulmaceae AMERICAN ELM N 310 41 Ulmus parvifolia Ulmaceae CHINESE ELM E 0 1 Ulmus procera Ulmaceae ENGLISH ELM E 0 2 Ulmus pumila Ulmaceae SIBERIAN ELM E 0 14 Ulmus rubra Ulmaceae SLIPPERY ELM, RED ELM N 308 51 Ulmus thomasii Ulmaceae CORK ELM, ROCK ELM N 310 7 Urtica dioica ssp. dioica Urticaceae STINGING NETTLE, COMMON NETTLE E 316 10 Urtica dioica ssp. gracilis Urticaceae WILD NETTLE N 316 17 Utricularia geminiscapa Lentibulariaceae BLADDERWORT A 870 2 Utricularia gibba Lentibulariaceae HUMPED BLADDERWORT A 872 6 Utricularia macrorhiza Lentibulariaceae GREATER BLADDERWORT A 872 2 Uvularia grandiflora Liliaceae LARGE‐FLOWERED BELLWORT N 228 34 Uvularia perfoliata Liliaceae MEALY BELLWORT N 228 41 Uvularia puberula Liliaceae MOUNTAIN BELLWORT N 228 20 Uvularia sessilifolia Liliaceae SESSILE‐LEAVED BELLWORT, STRAWLILY, MERRYBELLS N 228 16 Vaccaria hispanica Caryophyllaceae COWHERB E 372 3 Vaccinium angustifolium Ericaceae LOWBUSH BLUEBERRY, EARLY LOW BLUEBERRY, SUGA N 724 12 Vaccinium corymbosum Ericaceae HIGHBUSH BLUEBERRY, SWAMP BLUEBERRY N 724 10 Vaccinium erythrocarpum Ericaceae SOUTHERN MOUNTAIN CRANBERRY N 724 12 Vaccinium macrocarpon Ericaceae LARGE CRANBERRY, GREEN CRANBERRY N 726 13 Vaccinium myrtilloides Ericaceae VELVETLEAF BLUEBERRY, SOURTOP N 723 6 Vaccinium oxycoccos Ericaceae SMALL CRANBERRY N 726 7 Vaccinium pallidum Ericaceae UPLAND LOW BLUEBERRY, LATE LOW BLUEBERRY N 724 38 Vaccinium stamineum Ericaceae SQUAW HUCKLEBERRY, BUCKBERRY, DEERBERRY N 722 42 Valeriana officinalis Valerianaceae GARDEN‐HELIOTROPE E 0 2 Valeriana pauciflora Valerianaceae VALERIAN N 902 15 Valerianella chenopodiifolia Valerianaceae GOOSE‐FOOT CORN SALAD N 902 21 Valerianella locusta Valerianaceae BLUE CORN SALAD E 902 24 Valerianella radiata Valerianaceae BEAKED CORN SALAD A 902 17 Valerianella umbilicata Valerianaceae CORN SALAD A 902 11 Vallisneria americana Hydrocharitaceae EELGRASS, TAPEGRASS, WATER‐CELERY N 64 13 Veratrum viride Liliaceae WHITE HELLEBORE, FALSE HELLEBORE, ELLEBER N 226 14 Verbascum blattaria Scrophulariaceae MOTH MULLEIN E 840 41 Verbascum phlomoides Scrophulariaceae CLASPING‐LEAVED MULLEIN E 838 5 Verbascum thapsus Scrophulariaceae GREAT MULLEIN E 838 49 Verbena bracteata Verbenaceae WHITE MULLEIN A 788 3 Verbena hastata var. hastata Verbenaceae BLUE VERVAIN, HASTATELEAF VERVAIN N 788 32 Verbena scabra Verbenaceae VERVAIN A 786 2 Verbena simplex Verbenaceae NARROW‐LEAF VERVAIN N 788 11 Verbena stricta Verbenaceae HOARY VERVAIN A 788 1 Verbena urticifolia var. leiocarpa Verbenaceae WHITE VERVAIN N 786 18 Verbena urticifolia var. urticifolia Verbenaceae WHITE VERVAIN, NETTLELEAF VERVAIN N 786 37 Verbena ×engelmannii Verbenaceae VERVAIN N 788 2 X Verbesina alternifolia Asteraceae WING‐STEM, YELLOW IRONWEED N 984 48 Verbesina occidentalis Asteraceae SMALL YELLOW CROWNBEARD N 984 30 Vernonia gigantea ssp. gigantea Asteraceae TALL IRONWEED N 916 46 Vernonia glauca Asteraceae BROAD‐LEAVED IRONWEED A 916 3 X Vernonia noveboracensis Asteraceae NEW YORK IRONWEED N 916 30 Veronica americana Scrophulariaceae AMERICAN BROOKLIME N 855 24 Veronica anagallis‐aquatica Scrophulariaceae WATER SPEEDWELL N 855 20 Veronica arvensis Scrophulariaceae CORN SPEEDWELL E 856 36 Veronica beccabunga Scrophulariaceae EUROPEAN BROOKLIME E 855 2 Veronica chamaedrys Scrophulariaceae BIRD'S‐EYE E 855 4 Veronica filiformis Scrophulariaceae FILIFORM SPEEDWELL E 856 10 Veronica hederifolia Scrophulariaceae IVY‐LEAVED SPEEDWELL E 856 6 Veronica longifolia Scrophulariaceae LONG‐LEAVED SPEEDWELL E 854 1 Veronica officinalis var. officinalis Scrophulariaceae COMMON SPEEDWELL, GYPSYWEED E 854 43 Veronica officinalis var. tournefortii Scrophulariaceae COMMON SPEEDWELL E 856 1 Veronica peregrina ssp. peregrina Scrophulariaceae PURSLANE SPEEDWELL, NECKWEED N 855 23 Veronica persica var. persica Scrophulariaceae BIRD'S‐EYE E 856 17 Veronica polita Scrophulariaceae FIELD SPEEDWELL E 856 7 Veronica scutellata Scrophulariaceae MARSH SPEEDWELL N 855 6 Veronica serpyllifolia ssp. serpyllifolia Scrophulariaceae THYME‐LEAVED SPEEDWELL E 854 24 Veronicastrum virginicum Scrophulariaceae CULVER'S‐ROOT N 852 22 Viburnum acerifolium Caprifoliaceae DOCKMACKIE, MAPLE‐LEAF VIBURNUM, MAPLE‐LEAF AN 900 48 Viburnum dentatum var. dentatum Caprifoliaceae ROUGH ARROWWOOD N 898 12 Viburnum lantana Caprifoliaceae WAYFARING TREE E 0 1 Viburnum lantanoides Caprifoliaceae HOBBLEBUSH N 896 13 Viburnum lentago Caprifoliaceae NANNYBERRY, SHEEPBERRY N 898 11 Viburnum nudum var. cassinoides Caprifoliaceae WILD RAISIN N 898 16 Viburnum nudum var. nudum Caprifoliaceae WILD RAISIN N 898 6 Viburnum opulus var. americanum Caprifoliaceae CRANBERRYTREE, HIGHBUSH CRANBERRY N 900 5 Viburnum opulus var. opulus Caprifoliaceae GUELDER‐ROSE E 900 7 Viburnum plicatum Caprifoliaceae TWO‐LINE VIBURNUM E 0 1 Viburnum prunifolium Caprifoliaceae BLACK HAW N 898 41 Viburnum rafinesquianum Caprifoliaceae DOWNY ARROWWOOD N 898 9 X Viburnum recognitum Caprifoliaceae SMOOTH ARROWWOOD N 898 25 Viburnum sieboldii Caprifoliaceae SIEBOLD'S ARROW‐WOOD E 0 1 Vicia americana ssp. americana Fabaceae AMERICAN VETCH N 570 10 Vicia caroliniana Fabaceae WILD VETCH N 568 41 Vicia cracca ssp. cracca Fabaceae VETCH E 0 2 Vicia grandiflora Fabaceae LARGE‐FLOWERED VETCH E 1046 1 Vicia hirsuta Fabaceae VETCH E 0 1 Vicia sativa ssp. nigra Fabaceae COMMON VETCH E 568 17 Vicia sativa ssp. sativa Fabaceae SPRING VETCH E 568 2 Vicia sepium var. sepium Fabaceae BUSH VETCH E 568 1 Vicia tetrasperma Fabaceae FOUR‐SEEDED VETCH E 1046 4 Vicia villosa ssp. varia Fabaceae HAIRY‐FRUIT VETCH E 570 18 Vicia villosa ssp. villosa Fabaceae HAIRY VETCH E 568 17 Vinca minor Apocynaceae PERIWINKLE, MYRTLE E 750 41 Viola affinis Violaceae LE CONTE'S VIOLET N 648 27 Viola appalachiensis Violaceae APPALACHIAN BLUE VIOLET N 658 12 Viola arvensis Violaceae WILD PANSY E 658 5 Viola bicolor Violaceae WILD PANSY E 658 36 Viola blanda var. blanda Violaceae SWEET WHITE VIOLET N 652 34 Viola blanda var. palustriformis Violaceae VIOLET N 652 4 Viola canadensis Violaceae CANADA VIOLET N 656 40 Viola cucullata Violaceae MARSH BLUE VIOLET N 648 37 Viola hastata Violaceae HALBERD‐LEAF YELLOW VIOLET N 654 20 Viola hirsutula Violaceae SOUTHERN WOOD VIOLET N 650 28 Viola labradorica Violaceae LABRADOR VIOLET N 656 7 Viola lanceolata ssp. lanceolata Violaceae LANCELEAF VIOLET N 654 9 Viola macloskeyi ssp. pallens Violaceae NORTHERN WHITE VIOLET N 652 13 Viola nephrophylla Violaceae KIDNEY‐LEAF VIOLET N 648 3 Viola pedata Violaceae BIRD‐FOOT VIOLET N 648 16 Viola pubescens var. pubescens Violaceae SMOOTH YELLOW VIOLET N 656 40 Viola pubescens var. scabriuscula Violaceae DOWNY YELLOW VIOLET N 656 42 Viola rostrata Violaceae LONG‐SPURRED VIOLET N 658 35 Viola rotundifolia Violaceae ROUNDLEAF VIOLET N 654 18 Viola sagittata var. ovata Violaceae ARROWLEAF VIOLET N 650 16 Viola sagittata var. sagittata Violaceae ARROWLEAF VIOLET N 652 27 Viola septentrionalis Violaceae NORTHERN BLUE VIOLET N 650 7 Viola sororia Violaceae DOWNY WOOD VIOLET, COMMON BLUE VIOLET N 650 48 Viola striata Violaceae STRIPED VIOLET N 656 50 Viola tricolor Violaceae JOHNNY‐JUMP‐UP E 0 2 Viola triloba var. triloba Violaceae THREE‐LOBED VIOLET N 652 34 Viola tripartita Violaceae THREE‐PARTED VIOLET N 654 5 Viola ×bernardii Violaceae VIOLET N05 Viola ×brauniae Violaceae VIOLET N02 Viola ×eclipes Violaceae VIOLET N06 Viola ×palmata Violaceae PALMATE‐LEAVED VIOLET N 652 29 Viola ×primulifolia Violaceae PRIMROSE‐LEAF VIOLET N 654 17 Viola ×wujekii Violaceae VIOLET N01 Vitis aestivalis var. bicolor Vitaceae SUMMER GRAPE N 628 41 Vitis cinerea var. baileyana Vitaceae GRAYBARK GRAPE, PIGEON GRAPE, POSSUM GRAPE N 628 8 Vitis labrusca Vitaceae FOX GRAPE N 628 21 Vitis riparia Vitaceae RIVERBANK GRAPE N 628 33 Vitis rotundifolia var. rotundifolia Vitaceae MUSCADINE A 630 1 Vitis rupestris Vitaceae SAND GRAPE N 630 12 Vitis vulpina Vitaceae WINTER GRAPE N 628 41 Vittaria appalachiana Vittariaceae APPALACHIAN GAMETOPHYTE, APPALACHIAN SHOEST N143 Vulpia myuros Poaceae FESCUE E 138 3 Vulpia octoflora var. glauca Poaceae SIX‐WEEKS FESCUE N 0 5 Vulpia octoflora var. octoflora Poaceae SIX‐WEEKS FESCUE N 138 12 Waldsteinia fragarioides ssp. fragarioides Rosaceae BARREN STRAWBERRY N 492 14 Wisteria floribunda Fabaceae JAPANESE WISTERIA E 0 1 Wisteria frutescens Fabaceae AMERICAN WISTERIA E 558 10 Wisteria sinensis Fabaceae CHINESE WISTERIA E 0 3 Wolffia brasiliensis Lemnaceae WATERMEAL N 208 10 Wolffia columbiana Lemnaceae WATERMEAL N02 Woodsia appalachiana Dryopteridaceae ALLEGHENY CLIFF FERN N 18 10 Woodsia ilvensis Dryopteridaceae RUSTY WOODSIA N 18 5 Woodsia obtusa ssp. obtusa Dryopteridaceae BLUNT‐LOBED WOODSIA N 18 31 Woodwardia areolata Blechnaceae CHAIN FERN N 36 10 Woodwardia virginica Blechnaceae VIRGINIA CHAIN‐FERN N 0 1 Xanthium spinosum Asteraceae SPINY COCKLEBUR E 966 7 Xanthium strumarium var. canadense Asteraceae HAIRY‐BODY COCKLEBUR N 966 25 Xanthium strumarium var. glabratum Asteraceae SMOOTH‐BODY COCKLEBUR N 966 26 Xanthorhiza simplicissima Ranunculaceae SHRUBBY YELLOWROOT N 400 13 Xerophyllum asphodeloides Liliaceae TURKEYBEARD N 224 2 Xyris torta Xyridaceae YELLOW‐EYED‐GRASS N 208 7 Yucca filamentosa Agavaceae ADAM'S NEEDLE I 238 21 Zannichellia palustris Zannichelliaceae HORNED PONDWEED A 58 3 Zanthoxylum americanum Rutaceae TOOTHACHE TREE N 588 14 Zea mays ssp. mays Poaceae CORN E 0 2 Zigadenus elegans ssp. glaucus Liliaceae DEATH‐CAMAS N 0 2 Zigadenus leimanthoides Liliaceae OCEANORUS N 226 5 Zizania palustris var. palustris Poaceae INDIAN WILD RICE, WILD RICE A 98 1 Zizia aptera Apiaceae GOLDEN ALEXANDERS N 688 34 Zizia aurea Apiaceae GOLDEN ALEXANDERS N 690 16 Zizia trifoliata Apiaceae MOUNTAIN GOLDEN ALEXANDERS N 688 27 Zoysia japonica Poaceae KOREAN TEMPLE GRASS E 0 1 Zoysia tenuifolia Poaceae MASCARENE GRASS, KOREAN VELVET GRASS E 0 1