Authors: Isaac Dopp
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Families: 109
Genera: 384
Species: 741 (species rank)
Total Taxa: 751 (including subsp. and var.)

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Viburnum lentago L. - sheepberry
Alisma gramineum Lej. - narrow-leaved water-plantain
Alisma subcordatum Raf. - common water-plantain
Alisma triviale Pursh - northern water-plantain
Sagittaria rigida Pursh - stiff arrow-head
Amaranthus albus L. - white amaranth
Amaranthus blitoides S.Watson - prostrate pigweed
Amaranthus retroflexus L. - wild-beet amaranth
Chenopodium pratericola Rydb. - narrow-leaf goosefoot
Chenopodium simplex (Torr.) Raf. - maple-leaved goosefoot
Chenopodium strictum Roth - late-flowering goosefoot
Froelichia floridana (Nutt.) Moq. - plains snake-cotton
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 maculata L. - spotted water-hemlock
Conium maculatum L. - poison-hemlock
Heracleum maximum W.Bartram - American cow-parsnip
Pastinaca sativa L. - wild parsnip
Sanicula marilandica L. - Maryland sanicle
Sium suave Walter - water-parsnip
Apocynum androsaemifolium L. - spreading dogbane
Asclepias exaltata L. - tall milkweed
Asclepias verticillata L. - whorled milkweed
Asclepias viridiflora Raf. - short green milkweed
Ilex verticillata (L.) A.Gray - common winterberry
Lemna minor L. - small duckweed
Lemna perpusilla Torr. - minute duckweed
Lemna trisulca L. - star duckweed
Lemna turionifera Landolt - Turion duckweed
Wolffia columbiana H.Karst. - common water-meal
Aralia nudicaulis L. - wild sarsaparilla
Aralia racemosa L. - life-of-man
Asarum canadense L. - wild-ginger
Asparagus officinalis L. - garden asparagus
Maianthemum canadense Desf. - wild lily-of-the-valley
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
Artemisia biennis Willd. - biennial wormwood
Artemisia frigida Willd. - prairie sage-wort
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
Coreopsis palmata Nutt. - stiff tickseed
Cosmos bipinnatus Cav. - common garden cosmos
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Eupatorium altissimum L. - tall thoroughwort
Euthamia graminifolia (L.) Nutt. - grass-leaved goldenrod
Euthamia gymnospermoides Greene - viscid grass-leaved goldenrod
Eutrochium maculatum L. - spotted Joe-Pye-weed
Helenium autumnale L. - common sneezeweed
Helianthus annuus L. - garden sunflower
Helianthus decapetalus L. - thin-leaved sunflower
Helianthus giganteus L. - tall sunflower
Helianthus maximiliani Schrad. - Maximilian's sunflower
Helianthus strumosus L. - rough-leaved sunflower
Helianthus tuberosus L. - woodland sunflower
Heliopsis helianthoides (L.) Sweet - sunflower-everlasting
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Lactuca canadensis L. - wild lettuce
Liatris aspera Michx. - rough gayfeather
Liatris cylindracea Michx. - barellhead gayfeather
Prenanthes alba L. - white rattlesnakeroot
Ratibida pinnata (Vent.) Barnhart - pinnate prairie coneflower
Rudbeckia triloba var. triloba - three-lobed coneflower
Solidago canadensis L. - common goldenrod
Solidago flexicaulis L. - zigzag goldenrod
Solidago gigantea Aiton - smooth goldenrod
Solidago missouriensis Nutt. - Missouri goldenrod
Solidago rigida L. - stiff goldenrod
Solidago sciaphila E.S.Steele - shadowy goldenrod
Solidago uliginosa Nutt. - northern bog goldenrod
Sonchus asper (L.) Hill - spiny-leaf sow-thistle
Sonchus oleraceus L. - field sow-thistle
Tragopogon sp. L. - Goat's Beard
Tragopogon dubius Scop. - yellow salsify
Vernonia fasciculata Michx. - smooth ironweed
Xanthium strumarium L. - rough cocklebur
Impatiens capensis Meerb. - spotted touch-me-not
Impatiens pallida Nutt. - yellow touch-me-not
Betula nigra L. - river birch
Betula pumila L. - swamp birch
Corylus americana Walter - American hazelnut
Hydrophyllum virginianum L. - Virginia waterleaf
Lithospermum incisum Lehm. - narrow-leaved puccoon
Myosotis scorpioides L. - water scorpion-grass
Berteroa incana (L.) DC. - hoary-alyssum
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Draba reptans (Lam.) Fernald - common whitlow-grass
Erysimum cheiranthoides L. - worm-seed wallflower
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
Lobelia inflata L. - Indian-tobacco
Lobelia siphilitica L. - great blue lobelia
Cannabis sativa L. - marijuana
Celtis occidentalis L. - northern hackberry
Lonicera reticulata Raf. - yellow honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Cerastium arvense L. - field mouse-ear chickweed
Cerastium nutans - nodding mouse-ear chickweed
Silene antirrhina L. - sleepy silene
Silene csereii Baumg. - glaucous campion
Silene latifolia Poir. - white cockle
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Celastrus scandens L. - climbing bittersweet
Parnassia glauca Raf. - fen grass-of-Parnassus
Polanisia dodecandra (L.) DC. - rough-seed clammy-weed
Uvularia grandiflora Sm. - large-flowered bellwort
Commelina communis L. - common dayflower
Tradescantia bracteata Small - sticky spiderwort
Tradescantia ohiensis Raf. - smooth spiderwort
Calystegia sepium (L.) R.Br. - hedge false bindweed
Cuscuta cephalanthi Engelm. - buttonbush dodder
Cornus alternifolia L.f. - pagoda dogwood
Cornus rugosa Lam. - round-leaved dogwood
Cornus sericea L. - red osier dogwood
Sicyos angulatus L. - bur-cucumber
Carex bicknellii Britton - Bicknell's sedge
Carex blanda Dewey - wood sedge
Carex eburnea Boott - bristle-leaf sedge
Carex gravida L.H.Bailey - long-awned bracted sedge
Carex grayi J.Carey - Gray's sedge
Carex intumescens Rudge - swollen sedge
Carex lacustris Willd. - rip-gut sedge
Carex laeviconica Dewey - smooth-cone sedge
Carex normalis Mack. - spreading oval sedge
Carex pellita Willd. - broad-leaved woolly sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex projecta Mack. - necklace sedge
Carex sartwellii Dewey - Sartwell's sedge
Carex stricta Lam. - uptight sedge
Carex tenera Dewey - narrow-leaved oval sedge
Carex torreyi Tuck. - Torrey's sedge
Carex tuckermanii Dewey - Tuckerman's sedge
Carex typhina Michx. - cat-tail sedge
Cyperus bipartitus Torr. - slender flat sedge
Cyperus diandrus Torr. - umbrella flat sedge
Cyperus erythrorhizos Muhl. - red-rooted sedge
Cyperus schweinitzii Torr. - Schweinitz's flat sedge
Cyperus strigosus L. - straw-colored cyperus
Cyperus X mesochorus Geise - midland sand sedge
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus pedicellatus Fernald - stalked wool-grass
Cystopteris bulbifera (L.) Bernh. - bulblet fragile fern
Cystopteris tenuis (Michx.) Desv. - upland brittle bladder fern
Onoclea sensibilis L. - sensitive fern
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum laevigatum A.Braun - smooth scouring rush
Monotropa uniflora L. - Indian-pipe
Pyrola elliptica Nutt. - wax-flower shin-leaf
Vaccinium angustifolium Aiton - low sweet blueberry
Acalypha gracilens subsp. gracilens - slender three-seeded-mercury
Euphorbia corollata L. - flowering spurge
Euphorbia cyparissias L. - graveyard spurge
Euphorbia davidii Subils - David's spurge
Euphorbia geyeri Engelm. - Geyer's spurge
Euphorbia glyptosperma Engelm. - ridge-seeded spurge
Euphorbia nutans Lag. - nodding spurge
Amorpha fruticosa L. - indigo-bush
Baptisia lactea (Raf.) Thieret - white wild indigo
Dalea candida var. candida - white prairie-clover
Dalea purpurea var. purpurea - violet prairie-clover
Dalea villosa var. villosa - silky prairie-clover
Desmodium canadense (L.) DC. - showy tick-trefoil
Gymnocladus dioicus (L.) K.Koch - Kentucky coffee-tree
Lathyrus palustris L. - slender-stem pea-vine
Lespedeza capitata Michx. - round-headed lespedeza
Lotus corniculatus L. - bird's-foot trefoil
Lupinus perennis L. - wild lupine
Medicago lupulina L. - black medick
Melilotus albus Medik. - white sweet-clover
Melilotus officinalis (L.) Lam. - yellow sweet-clover
Securigera varia (L.) Lassen - purple crown-vetch
Trifolium hybridum L. - alsike clover
Quercus alba L. - white oak
Quercus bicolor Willd. - swamp white oak
Quercus rubra L. - northern red oak
Gentiana andrewsii - prairie closed gentian
Gentiana andrewsii var. andrewsii - prairie closed gentian
Gentianopsis crinita (Froel.) Ma - greater fringed gentian
Geranium maculatum L. - wild geranium
Ribes americanum Mill. - wild black currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes hirtellum Michx. - swamp gooseberry
Ribes missouriense Nutt. - wild gooseberry
Elodea canadensis Michx. - common waterweed
Hypericum boreale (Britton) E.P.Bicknell - northern St. John's-wort
Hypericum majus (A.Gray) Britton - larger Canadian St. John's-wort
Hypoxis hirsuta (L.) Coville - yellow star-grass
Iris versicolor L. - northern blue flag
Sisyrinchium campestre E.P.Bicknell - prairie blue-eyed-grass
Carya ovata var. ovata - shellbark hickory
Juglans cinerea L. - white walnut
Juglans nigra L. - black walnut
Juncus dudleyi Wiegand - Dudley's rush
Juncus effusus L. - soft rush
Juncus interior Wiegand - interior rush
Juncus nodosus L. - knotted rush
Hedeoma hispida Pursh - rough pennyroyal
Lycopus sp. L. - Water-Horehound
Lycopus uniflorus Michx. - northern water-horehound
Lycopus virginicus L. - Virginia water-horehound
Salvia reflexa Hornem. - Rocky Mountain sage
Scutellaria lateriflora L. - mad-dog skullcap
Utricularia vulgaris L. - great bladderwort
Lilium michiganense Farw. - Turk's-cap lily
Lindernia dubia var. dubia - yellow-seed false pimpernel
Lycopodium clavatum L. - staghorn club-moss
Lythrum salicaria L. - spiked loosestrife
Malva neglecta Wallr. - common mallow
Malva pusilla Sm. - low mallow
Trillium cernuum L. - whip-poor-will flower
Trillium flexipes Raf. - nodding wake-robin
Menispermum canadense L. - common moonseed
Menyanthes trifoliata L. - common buckbean
Mollugo verticillata L. - Indian chickweed
Morus alba L. - white mulberry
Nelumbo lutea Willd. - water-chinquapin
Nuphar variegata Durand - bull-head pond-lily
Circaea canadensis subsp. canadensis (L.) Hill - broad-leaf enchanter's-nightshade
Epilobium coloratum Biehler - eastern willow-herb
Epilobium leptophyllum Raf. - fen willow-herb
Ludwigia polycarpa Short & R.Peter - top-pod water-primrose
Oenothera biennis L. - common evening-primrose
Oenothera serrulata Nutt. - yellow sundrops
Oenothera villosa subsp. villosa - hairy evening-primrose
Sceptridium dissectum (Spreng.) Lyon - lace-frond grape fern
Cypripedium acaule Aiton - small pink lady's-slipper
Cypripedium parviflorum Salisb. - yellow lady's-slipper
Cypripedium reginae Walter - showy lady's-slipper
Goodyera pubescens (Willd.) R.Br. - downy rattlesnake-plantain
Platanthera psycodes (L.) Lindl. - lesser purple fringed orchid
Spiranthes magnicamporum Sheviak - Great Plains lady's-tresses
Agalinis tenuifolia (Vahl) Raf. - common false foxglove
Orobanche fasciculata Nutt. - clustered broom-rape
Osmunda cinnamomea L. - cinnamon fern
Osmunda claytoniana L. - interrupted fern
Oxalis dillenii Jacq. - southern yellow wood-sorrel
Oxalis stricta L. - tall wood-sorrel
Oxalis violacea L. - violet wood-sorrel
Dicentra cucullaria (L.) Bernh. - Dutchman's-breeches