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Families: 124

Genera: 492

Species: 1111

Total Taxa: 1171 (including subsp. and var.)


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Onoclea sensibilis L. - sensitive fern
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum laevigatum A.Braun - smooth scouring rush
Equisetum palustre L. - marsh horsetail
Equisetum pratense Ehrh. - meadow horsetail
Equisetum scirpoides Michx. - sedge horsetail
Equisetum sylvaticum L. - woodland horsetail
Epigaea repens L. - trailing-arbutus
Monotropa uniflora L. - Indian-pipe
Pyrola americana Sweet - round-leaved shin-leaf
Pyrola elliptica Nutt. - wax-flower shin-leaf
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium macrocarpon Aiton - large cranberry
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 marginata Pursh - snow-on-the-mountain
Euphorbia nutans Lag. - nodding spurge
Amorpha fruticosa L. - indigo-bush
Baptisia lactea (Raf.) Thieret - white wild indigo
Baptisia leucophaea Nutt. - plains wild indigo
Chamaecrista sp. Moench - Sensitive-Pea
Crotalaria sagittalis L. - arrow-headed rattle-box
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
Desmodium illinoense A.Gray - prairie tick-trefoil
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
Tephrosia virginiana (L.) Pers. - Virginia tephrosia
Trifolium arvense L. - rabbit-foot clover
Trifolium repens L. - white clover
Vicia villosa Roth - winter vetch
Quercus alba L. - white oak
Quercus bicolor Willd. - swamp white oak
Quercus rubra L. - northern red oak
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
Myriophyllum sibiricum Kom. - short-spike water-milfoil
Myriophyllum spicatum L. - spike water-milfoil
Hamamelis virginiana L. - American witch-hazel
Elodea canadensis Michx. - common waterweed
Hypericum ascyron L. - great St. John's-wort
Hypericum kalmianum L. - Kalm's St. John's-wort
Hypericum majus (A.Gray) Britton - larger Canadian St. John's-wort
Hypericum mutilum L. - weak St. John's-wort
Hypericum perforatum L. - St. John's-wort
Hypericum punctatum Lam. - spotted St. John's-wort
Triadenum fraseri (Spach) Gleason - Fraser's marsh St. John's-wort
Hypoxis hirsuta (L.) Coville - yellow star-grass
Iris pseudacorus L. - pale-yellow iris
Iris versicolor L. - northern blue flag
Sisyrinchium angustifolium Mill. - stout blue-eyed-grass
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 canadensis J.Gay - Canadian rush
Juncus dudleyi Wiegand - Dudley's rush
Juncus effusus L. - soft rush
Juncus nodosus L. - knotted rush
Juncus tenuis Willd. - roadside rush
Hedeoma hispida Pursh - rough pennyroyal
Hedeoma pulegioides (L.) Pers. - American pennyroyal
Lycopus uniflorus Michx. - northern water-horehound
Lycopus virginicus L. - Virginia water-horehound
Mentha spicata L. - spearmint
Monarda didyma L. - scarlet bee balm
Scutellaria lateriflora L. - mad-dog skullcap
Utricularia intermedia Hayne - northern bladderwort
Utricularia vulgaris L. - great bladderwort
Erythronium albidum Nutt. - white trout-lily
Lilium michiganense Farw. - Turk's-cap lily
Linum sulcatum Riddell - grooved yellow flax
Lindernia dubia (L.) Pennell - moist bank pimpernel
Lindernia dubia var. dubia - yellow-seed false pimpernel
Lycopodium clavatum L. - staghorn club-moss
Lythrum salicaria L. - spiked loosestrife
Hibiscus trionum L. - flower-of-an-hour
Malva neglecta Wallr. - common mallow
Napaea dioica L. - glade mallow
Trillium flexipes Raf. - nodding wake-robin
Menispermum canadense L. - common moonseed
Mollugo verticillata L. - Indian chickweed
Claytonia virginica L. - Virginia spring-beauty
Morus alba L. - white mulberry
Aletris farinosa L. - white stargrass
Nelumbo lutea Willd. - water-chinquapin
Nuphar variegata Durand - bull-head pond-lily
Nymphaea odorata Aiton - fragrant water-lily
Circaea alpina subsp. alpina - small enchanter's-nightshade
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 laciniata subsp. laciniata - ragged evening-primrose
Oenothera nuttallii Sweet - white evening-primrose
Oenothera parviflora L. - small-flowered evening-primrose
Oenothera perennis L. - small sundrops
Ophioglossum pusillum Raf. - northern adder's-tongue
Sceptridium dissectum (Spreng.) Lyon - lace-frond grape fern
Cypripedium reginae Walter - showy lady's-slipper
Goodyera pubescens (Willd.) R.Br. - downy rattlesnake-plantain
Platanthera huronensis (Nutt.) Lindl. - tall nothern bog orchid
Platanthera lacera (Michx.) G.Don - ragged fringed orchid
Platanthera psycodes (L.) Lindl. - lesser purple fringed orchid
Spiranthes cernua (L.) Rich. - nodding lady's-tresses
Spiranthes magnicamporum Sheviak - Great Plains lady's-tresses
Agalinis gattingeri (Small) Small - round-stemmed false foxglove
Agalinis tenuifolia (Vahl) Raf. - common false foxglove
Castilleja coccinea (L.) Spreng. - scarlet painted-cup
Castilleja sessiliflora Pursh - downy painted-cup
Orobanche fasciculata Nutt. - clustered broom-rape
Orobanche uniflora L. - one-flowered broom-rape
Osmunda claytoniana L. - interrupted fern
Oxalis corniculata L. - creeping yellow wood-sorrel
Oxalis dillenii Jacq. - southern yellow wood-sorrel
Oxalis stricta L. - tall wood-sorrel
Oxalis violacea L. - violet wood-sorrel
Argemone albiflora subsp. albiflora - blue-stem prickly poppy
Corydalis micrantha subsp. micrantha - small-flowered corydalis
Dicentra cucullaria (L.) Bernh. - Dutchman's-breeches
Penthorum sedoides L. - ditch stonecrop
Phryma leptostachya L. - American lop-seed
Pinus strobus L. - eastern white pine
Chelone glabra L. - white turtlehead
Gratiola neglecta Torr. - clammy hedge-hyssop
Linaria vulgaris Mill. - butter-and-eggs
Penstemon digitalis Nutt. ex Sims - tall white beard-tongue
Penstemon gracilis Nutt. - slender beard-tongue
Penstemon grandiflorus Nutt. - large-flowered beard-tongue
Plantago aristata Michx. - large-bracted plantain
Plantago media L. - hoary plantain
Plantago patagonica Jacq. - woolly plantain
Plantago rugelii Decne. - Rugel's plantain
Veronica dillenii Crantz - Dillenius' speedwell
Veronica peregrina L. - purslane speedwell
Veronica polita Fr. - wayside speedwell
Veronica scutellata L. - skullcap speedwell
Aristida basiramea Engelm. ex Vasey - fork-tip three-awn grass
Aristida oligantha Michx. - plains three-awn grass
Aristida tuberculosa Nutt. - seaside three-awn
Bromus arvensis L. - fringed brome
Bromus ciliatus L. - fringed brome
Bromus inermis Leyss. - smooth brome
Bromus kalmii A.Gray - prairie brome
Bromus pubescens Muhl. ex Willd. - hairy woodland brome
Bromus tectorum L. - June grass
Cinna arundinacea L. - stout wood-reed
Dactylis glomerata L. - orchard grass
Dichanthelium latifolium (L.) Harvill - broad-leaved panic grass
Dichanthelium linearifolium (Scribn.) Gould - slender-leaved panic grass
Dichanthelium perlongum (Nash) Freckmann - long-stalked panic grass
Digitaria cognata - fall witch grass
Elymus canadensis L. - Great Plains wild-rye
Elymus hystrix var. hystrix - glumeless wild-rye
Eragrostis minor Host - little love grass
Glyceria grandis S.Watson - reed manna grass
Hordeum jubatum L. - squirrel-tail grass
Milium effusum L. - wood millet
Panicum virgatum L. - switch grass
Phalaris arundinacea L. - reed canary grass
Poa alsodes A.Gray - woodland bluegrass
Poa annua L. - speargrass
Poa compressa L. - wiregrass
Poa palustris L. - marsh bluegrass
Poa pratensis L. - Kentucky bluegrass
Poa sylvestris A.Gray - woodland bluegrass
Setaria faberi R.A.W.Herrm. - nodding foxtail
Setaria verticillata (L.) P.Beauv. - hooked bristle grass
Sorghastrum nutans (L.) Nash - yellow Indian grass
Zizania aquatica L. - southern wild rice
Phlox paniculata L. - summer phlox
Polemonium reptans var. reptans - spreading Jacob's-ladder
Polygala sanguinea L. - purple milkwort
Polygala senega L. - senega root
Fallopia cilinodis (Michx.) Holub - fringed black bindweed
Fallopia scandens (L.) Holub - climbing false buckwheat
Persicaria arifolia (L.) Haraldson - Halberd-leaf tearthumb
Persicaria maculosa Gray - spotted lady's-thumb
Polygonum achoreum S.F.Blake - Blake's knotweed
Polygonum ramosissimum - bushy knotweed
Polygonum tenue Michx. - slender knotweed
Rumex acetosella L. - sheep sorrel
Rumex britannica L. - British dock
Rumex crispus L. - yellow dock
Rumex obtusifolius L. - bitter dock
Pontederia cordata L. - pickerel-weed
Potamogeton amplifolius Tuck. - large-leaved pondweed
Potamogeton crispus L. - curly pondweed
Potamogeton diversifolius Raf. - water-thread pondweed
Potamogeton epihydrus Raf. - ribbon-leaved pondweed
Potamogeton natans L. - floating-leaf pondweed
Potamogeton nodosus Poir. - long-leaved pondweed
Potamogeton strictifolius A.Benn. - straight-leaved pondweed
Potamogeton zosteriformis Fernald - flat-stemmed pondweed
Zannichellia palustris L. - horned-pondweed
Androsace occidentalis Pursh - western rock jasmine
Lysimachia ciliata L. - fringed loosestrife
Lysimachia hybrida Michx. - river loosestrife
Lysimachia lanceolata Walter - lance-leaved loosestrife
Lysimachia nummularia L. - creeping jenny
Lysimachia quadriflora Sims - smooth loosestrife
Lysimachia quadrifolia L. - whorled yellow loosestrife
Lysimachia thyrsiflora L. - tufted loosestrife
Primula fassettii A.R.Mast & Reveal - jeweled shooting-star
Adiantum pedatum L. - northern maidenhair fern
Actaea pachypoda Elliott - white baneberry
Anemone acutiloba (DC.) G.Lawson - sharp-lobed hepatica
Anemone americana (DC.) H.Hara - round-lobed hepatica
Anemone canadensis L. - meadow anemone
Anemone virginiana L. - tall thimbleweed
Aquilegia canadensis L. - wild columbine
Caltha palustris L. - yellow marsh-marigold
Clematis occidentalis var. occidentalis - western blue virgin's-bower
Clematis virginiana L. - virgin's-bower
Coptis trifolia (L.) Salisb. - three-leaved gold-thread
Enemion biternatum Raf. - false rue anemone
Ranunculus abortivus L. - small-flowered buttercup
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