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Families: 120

Genera: 446

Species: 977

Total Taxa: 1063 (including subsp. and var.)


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Acorus calamus L. - sweet-flag
Viburnum lantana L. - wayfaring-tree
Viburnum lentago L. - sheepberry
Viburnum opulus L. - snowball-bush
Alisma sp. L. - Water-plantain
Alisma subcordatum Raf. - southern water-plantain
Alisma triviale Pursh - northern water-plantain
Sagittaria sp. L. - Arrowhead
Sagittaria rigida Pursh - stiff arrow-head
Amaranthus albus L. - prostrate pigweed
Amaranthus blitoides S.Watson - prostrate pigweed
Amaranthus retroflexus L. - redroot amaranth
Amaranthus spinosus L. - thorny amaranth
Atriplex patula L. - spear saltbush
Chenopodium album L. - lamb's quarters
Chenopodium glaucum var. glaucum - oak-leaved goosefoot
Chenopodium simplex (Torr.) Raf. - maple-leaved goosefoot
Salsola tragus L. - tumbleweed
Rhus glabra L. - smooth sumac
Rhus typhina L. - staghorn sumac
Angelica atropurpurea L. - purple-stem angelica
Berula erecta (Huds.) Coville - low water-parsnip
Cicuta bulbifera L. - bulblet water-hemlock
Cicuta maculata L. - spotted water-hemlock
Daucus carota L. - wild carrot
Eryngium yuccifolium Michx. - rattlesnake-master
Osmorhiza longistylis (Torr.) DC. - smooth sweet cicely
Pastinaca sativa L. - wild parsnip
Sanicula canadensis L. - Canadian sanicle
Sanicula marilandica L. - Maryland sanicle
Sium suave Walter - water-parsnip
Torilis japonica (Houtt.) DC. - Japanese hedge-parsley
Apocynum androsaemifolium L. - spreading dogbane
Asclepias exaltata L. - tall milkweed
Asclepias incarnata L. - swamp milkweed
Asclepias ovalifolia Decne. - oval-leaved milkweed
Asclepias verticillata L. - whorled milkweed
Vinca minor L. - running-myrtle
Vincetoxicum nigrum (L.) Moench - black swallow-wort
Ilex verticillata (L.) A.Gray - common winterberry
Lemna sp. L. - Duckweed
Lemna minor L. - small duckweed
Lemna trisulca L. - star duckweed
Lemna turionifera Landolt - Turion duckweed
Wolffia columbiana H.Karst. - common water-meal
Aralia hispida Vent. - bristly sarsaparilla
Aralia nudicaulis L. - wild sarsaparilla
Hydrocotyle americana L. - marsh pennywort
Asarum canadense L. - wild-ginger
Asparagus officinalis L. - garden asparagus
Maianthemum canadense var. canadense - wild lily-of-the-valley
Maianthemum racemosum - Solomon's-plume
Maianthemum stellatum (L.) Link - starry false Solomon's-seal
Ambrosia psilostachya DC. - western ragweed
Ambrosia trifida L. - horse-cane
Antennaria neglecta Greene - field pussy-toes
Anthemis cotula L. - stinking-cotula
Arnoglossum plantagineum Raf. - prairie Indian-plantain
Artemisia biennis Willd. - biennial wormwood
Bidens cernua L. - nodding bur-marigold
Bidens connata Muhl. ex Willd. - purple-stemmed tickseed
Bidens frondosa L. - devil's beggar-ticks
Bidens tripartita L. - swamp tickseed
Bidens vulgata Greene - tall beggar-ticks
Carduus acanthoides - spiny plumeless thistle
Carduus nutans L. - nodding thistle
Cirsium muticum Michx. - swamp thistle
Coreopsis palmata Nutt. - stiff tickseed
Coreopsis tinctoria Nutt. - plains tickseed
Echinacea purpurea (L.) Moench - eastern purple coneflower
Erigeron acris - bitter fleabane
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Erigeron philadelphicus - Philadelphia daisy
Eupatorium altissimum L. - tall thoroughwort
Euthamia graminifolia (L.) Nutt. - grass-leaved goldenrod
Eutrochium maculatum L. - spotted Joe-Pye-weed
Helenium autumnale L. - common sneezeweed
Helianthus decapetalus L. - thin-leaved sunflower
Helianthus hirsutus Raf. - rough sunflower
Helianthus strumosus L. - rough-leaved sunflower
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Krigia biflora (Walter) S.F.Blake - orange dwarf-dandelion
Lactuca canadensis L. - wild lettuce
Lactuca serriola L. - prickly lettuce
Liatris aspera Michx. - rough gayfeather
Liatris cylindracea Michx. - barellhead gayfeather
Liatris pycnostachya (L.) Willd. - thick-spike gay-feather
Prenanthes racemosa Michx. - purple rattlesnake-root
Ratibida pinnata (Vent.) Barnhart - pinnate prairie coneflower
Rudbeckia hirta - black-eyed Susan
Rudbeckia laciniata L. - wild golden-glow
Rudbeckia triloba var. triloba - three-lobed coneflower
Silphium laciniatum L. - compass-plant
Silphium terebinthinaceum - prairie rosinweed
Solidago sp. L. - Goldenrod
Solidago canadensis L. - common goldenrod
Solidago flexicaulis L. - zigzag goldenrod
Solidago gigantea Aiton - smooth goldenrod
Solidago juncea Aiton - early goldenrod
Solidago missouriensis Nutt. - Missouri goldenrod
Solidago nemoralis Aiton - old-field goldenrod
Solidago riddellii Frank - Riddell's goldenrod
Solidago rigida L. - stiff goldenrod
Sonchus sp. L. - Sow-Thistle
Sonchus arvensis L. - perennial sow-thistle
Sonchus asper (L.) Hill - spiny-leaf sow-thistle
Sonchus oleraceus L. - field sow-thistle
Tragopogon dubius Scop. - yellow salsify
Tragopogon pratensis L. - yellow goat's-beard
Vernonia fasciculata Michx. - smooth ironweed
Xanthium strumarium L. - rough cocklebur
Impatiens capensis Meerb. - spotted touch-me-not
Impatiens pallida Nutt. - yellow touch-me-not
Berberis thunbergii DC. - Japanese barberry
Berberis vulgaris L. - European barberry
Podophyllum peltatum L. - wild mandrake
Betula nigra L. - river birch
Betula pendula Roth - weeping birch
Betula pumila L. - swamp birch
Betula x sandbergii Britton - Sandberg's birch
Corylus americana Walter - American hazelnut
Hydrophyllum virginianum L. - Virginia waterleaf
Lithospermum incisum Lehm. - narrow-leaved puccoon
Myosotis verna Nutt. - white forget-me-not
Berteroa incana (L.) DC. - hoary-alyssum
Camelina microcarpa Andrz. ex DC. - small-fruited false flax
Cardamine douglassii Britton - purple spring-cress
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Descurainia pinnata - western tansy mustard
Draba reptans (Lam.) Fernald - common whitlow-grass
Erysimum cheiranthoides L. - worm-seed wallflower
Hesperis matronalis L. - dame's rocket
Lepidium densiflorum Schrad. - small peppergrass
Rorippa palustris (L.) Besser - common yellow-cress
Rorippa sylvestris (L.) Besser - creeping yellow-cress
Sinapis arvensis L. - charlock mustard
Sisymbrium altissimum L. - tall tumble mustard
Thlaspi arvense L. - field pennycress
Turritis glabra L. - tower rock-cress
Butomus umbellatus L. - flowering-rush
Campanula aparinoides Pursh - marsh bellflower
Lobelia inflata L. - Indian-tobacco
Lobelia kalmii L. - Ontario lobelia
Lobelia siphilitica L. - great blue lobelia
Lobelia spicata Lam. - spiked lobelia
Triodanis perfoliata (L.) Nieuwl. - round-leaved triodanis
Cannabis sativa L. - marijuana
Diervilla lonicera Mill. - northern bush-honeysuckle
Lonicera sp. L. - Honeysuckle
Lonicera morrowii A.Gray - Morrow's honeysuckle
Lonicera oblongifolia (Goldie) Hook. - swamp fly honeysuckle
Lonicera reticulata Raf. - yellow honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Valeriana officinalis L. - garden valerian
Agrostemma githago - corn cockle
Cerastium brachypodum (Engelm. ex A.Gray) B.L.Rob. - short-stalked mouse-ear chickweed
Dianthus armeria - Deptford pink
Holosteum umbellatum - jagged chickweed
Silene csereii Baumg. - Balkan catchfly
Silene latifolia Poir. - white cockle
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Stellaria media (L.) Vill. - common chickweed
Celastrus orbiculatus Thunb. - Oriental bittersweet
Celastrus scandens L. - climbing bittersweet
Euonymus europaeus L. - European spindle-tree
Parnassia glauca Raf. - fen grass-of-Parnassus
Crocanthemum canadense (L.) Britton - long-branch frostweed
Polanisia dodecandra (L.) DC. - rough-seed clammy-weed
Uvularia grandiflora Sm. - large-flowered bellwort
Commelina communis L. - common dayflower
Tradescantia ohiensis Raf. - smooth spiderwort
Calystegia sepium (L.) R.Br. - hedge false bindweed
Convolvulus arvensis L. - field bindweed
Cuscuta cephalanthi Engelm. - buttonbush dodder
Cuscuta pentagona Engelm. - five-angled dodder
Cornus alternifolia L.f. - pagoda dogwood
Cornus rugosa Lam. - round-leaved dogwood
Cornus sericea L. - red osier dogwood
Thuja occidentalis L. - northern white-cedar
Carex albursina E.Sheld. - white bear sedge
Carex bicknellii Britton - Bicknell's sedge
Carex blanda Dewey - wood sedge
Carex brevior (Dewey) Mack. - plains oval sedge
Carex buxbaumii Wahlenb. - Buxbaum's sedge
Carex comosa Boott - bristly sedge
Carex crawei Dewey - early fen sedge
Carex cryptolepis Mack. - small yellow sedge
Carex diandra Schrank - lesser panicled sedge
Carex formosa Dewey - handsome sedge
Carex gracillima Schwein. - purple-sheathed graceful sedge
Carex granularis Muhl. ex Willd. - limestone meadow sedge
Carex grayi J.Carey - Gray's sedge
Carex haydenii Dewey - long-scaled tussock sedge
Carex hirtifolia Mack. - pubescent sedge
Carex hitchcockiana Dewey - Hitchcock's sedge
Carex interior L.H.Bailey - inland star sedge
Carex lacustris Willd. - rip-gut sedge
Carex limosa L. - mud sedge
Carex molesta Mack. ex Bright - troublesome sedge
Carex normalis Mack. - spreading oval sedge
Carex oligosperma Michx. - few-seeded sedge
Carex pellita Willd. - broad-leaved woolly sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex prairea Dewey - prairie sedge
Carex pseudocyperus L. - false bristly sedge
Carex radiata (Wahlenb.) Small - straight-styled wood sedge
Carex retrorsa Schwein. - retrorse sedge
Carex sartwellii Dewey - Sartwell's sedge
Carex scoparia var. scoparia - lance-fruited oval sedge
Carex sparganioides Muhl. ex Willd. - loose-headed bracted sedge
Carex sterilis Willd. - fen star sedge
Carex stricta Lam. - uptight sedge
Carex suberecta (Olney) Britton - wedge-fruited oval sedge
Carex tenera Dewey - narrow-leaved oval sedge
Carex trichocarpa Willd. - hairy-fruit sedge
Carex trisperma Dewey - three-seeded sedge
Carex tuckermanii Dewey - Tuckerman's sedge
Carex utriculata Boott - Northwest Territory sedge
Carex woodii Dewey - Wood's stiff sedge
Cyperus sp. L. - Flat Sedge
Cyperus bipartitus Torr. - slender flat sedge
Cyperus diandrus Torr. - umbrella flat sedge
Cyperus erythrorhizos Muhl. - red-rooted sedge
Cyperus odoratus L. - rusty flat sedge
Cyperus strigosus L. - straw-colored cyperus
Eleocharis compressa var. compressa - flat-stemmed spike-rush
Eleocharis elliptica Kunth - elliptic spike-rush
Eleocharis intermedia Schult. - matted spike-rush
Eriophorum tenellum Nutt. - few-nerved cotton-grass
Eriophorum vaginatum L. - tussock cotton-grass
Eriophorum virginicum L. - tawny cotton-grass
Schoenoplectus pungens (Vahl) Palla - common three-square bulrush
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus pendulus Muhl. - rufous bulrush
Drosera intermedia Hayne - spoon-leaf sundew
Cystopteris tenuis (Michx.) Desv. - upland brittle bladder fern
Onoclea sensibilis L. - sensitive fern
Shepherdia argentea (Pursh) Nutt. - silver buffalo-berry
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum laevigatum A.Braun - smooth scouring rush
Equisetum sylvaticum L. - woodland horsetail
Monotropa uniflora L. - Indian-pipe
Pyrola elliptica Nutt. - wax-flower shin-leaf
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium macrocarpon Aiton - large cranberry
Vaccinium myrtilloides Michx. - velvet-leaf huckleberry
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