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Families: 118

Genera: 418

Species: 834

Total Taxa: 904 (including subsp. and var.)


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Acorus calamus L. - sweet-flag
Viburnum acerifolium L. - maple-leaved viburnum
Viburnum lentago L. - sheepberry
Viburnum trilobum Marshall - high-bush cranberry
Alisma subcordatum Raf. - southern water-plantain
Alisma triviale Pursh - northern water-plantain
Sagittaria brevirostra Mack. & Bush - short-beaked arrow-head
Amaranthus albus L. - prostrate pigweed
Amaranthus retroflexus L. - redroot amaranth
Chenopodium album L. - lamb's quarters
Chenopodium glaucum - oak-leaved 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
Carum carvi L. - caraway
Cicuta maculata L. - spotted water-hemlock
Conium maculatum L. - poison-hemlock
Daucus carota L. - wild carrot
Osmorhiza longistylis (Torr.) DC. - smooth sweet cicely
Pastinaca sativa L. - wild parsnip
Pimpinella saxifraga L. - solid-stem burnet-saxifrage
Sanicula canadensis L. - Canadian sanicle
Sium suave Walter - water-parsnip
Thaspium chapmanii (J.M.Coult. & Rose) Small - hairy-jointed meadow-parsnip
Apocynum androsaemifolium L. - spreading dogbane
Asclepias incarnata L. - swamp milkweed
Asclepias verticillata L. - whorled milkweed
Ilex verticillata (L.) A.Gray - common winterberry
Lemna minor L. - small 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 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 dracunculus L. - false tarragon
Bidens cernua L. - nodding bur-marigold
Bidens frondosa L. - devil's beggar-ticks
Bidens tripartita L. - swamp tickseed
Bidens vulgata Greene - tall beggar-ticks
Carduus acanthoides - spiny plumeless thistle
Centaurea solstitialis L. - yellow star-thistle
Coreopsis lanceolata L. - sand tickseed
Coreopsis palmata Nutt. - stiff tickseed
Erigeron annuus (L.) Pers. - eastern daisy fleabane
Eupatorium altissimum L. - tall thoroughwort
Eutrochium maculatum L. - spotted Joe-Pye-weed
Hasteola suaveolens (L.) Pojark. - sweet Indian-plantain
Helenium autumnale L. - common sneezeweed
Helianthus sp. L. - Sunflower
Helianthus decapetalus L. - thin-leaved sunflower
Helianthus occidentalis - western sunflower
Helianthus strumosus L. - rough-leaved sunflower
Helianthus tuberosus L. - woodland sunflower
Hieracium scabrum Michx. - sticky hawkweed
Hieracium umbellatum L. - northern hawkweed
Lactuca canadensis L. - wild lettuce
Lactuca serriola L. - prickly lettuce
Liatris aspera Michx. - rough gayfeather
Liatris cylindracea Michx. - barellhead gayfeather
Packera aurea (L.) A.Löve & D.Löve - heart-leaved groundsel
Polymnia canadensis L. - white-flowered leaf-cup
Prenanthes alba L. - white rattlesnakeroot
Ratibida pinnata (Vent.) Barnhart - pinnate prairie coneflower
Rudbeckia hirta - black-eyed Susan
Rudbeckia subtomentosa Pursh - sweet coneflower
Silphium laciniatum L. - compass-plant
Solidago altissima L. - late goldenrod
Solidago canadensis L. - common goldenrod
Solidago flexicaulis L. - zigzag goldenrod
Solidago gigantea Aiton - smooth goldenrod
Solidago nemoralis Aiton - old-field goldenrod
Solidago rigida L. - stiff goldenrod
Solidago sciaphila E.S.Steele - shadowy goldenrod
Sonchus asper (L.) Hill - spiny-leaf sow-thistle
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
Podophyllum peltatum L. - wild mandrake
Betula nigra L. - river birch
Corylus americana Walter - American hazelnut
Hydrophyllum virginianum L. - Virginia waterleaf
Lithospermum incisum Lehm. - narrow-leaved puccoon
Lithospermum latifolium Michx. - broad-leaved gromwell
Berteroa incana (L.) DC. - hoary-alyssum
Cardamine pensylvanica Muhl. ex Willd. - Pennsylvania bitter-cress
Draba reptans (Lam.) Fernald - common whitlow-grass
Lepidium densiflorum Schrad. - small peppergrass
Rorippa sessiliflora (Nutt.) Hitchc. - stalkless 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
Campanula rapunculoides L. - rover bellflower
Lobelia inflata L. - Indian-tobacco
Lobelia siphilitica L. - great blue lobelia
Lobelia spicata Lam. - spiked lobelia
Triodanis perfoliata (L.) Nieuwl. - round-leaved triodanis
Cannabis sativa L. - marijuana
Celtis occidentalis L. - northern hackberry
Diervilla lonicera Mill. - northern bush-honeysuckle
Dipsacus laciniatus L. - cut-leaved teasel
Lonicera maackii (Rupr.) Maxim. - Maack's honeysuckle
Lonicera morrowii A.Gray - Morrow's honeysuckle
Lonicera reticulata Raf. - yellow honeysuckle
Lonicera X bella Zabel - white-bell honeysuckle
Triosteum aurantiacum var. aurantiacum - orange-fruit horse-gentian
Arenaria serpyllifolia - thyme-leaved sandwort
Cerastium sp. L. - Mouse-Ear Chickweed
Cerastium semidecandrum L. - five-stamen mouse-ear chickweed
Dianthus armeria - Deptford pink
Silene antirrhina L. - sleepy silene
Silene csereii Baumg. - glaucous campion
Silene latifolia Poir. - white cockle
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Stellaria media (L.) Vill. - common chickweed
Celastrus scandens L. - climbing bittersweet
Parnassia glauca Raf. - fen grass-of-Parnassus
Crocanthemum canadense (L.) Britton - long-branch frostweed
Lechea tenuifolia Michx. - slender-leaved pinweed
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
Ipomoea hederacea Jacq. - ivy-leaved morning-glory
Cornus alternifolia L.f. - pagoda dogwood
Cornus amomum - silky dogwood
Cornus drummondii C.A.Mey. - northern roughleaf dogwood
Cornus rugosa Lam. - round-leaved dogwood
Sicyos angulatus L. - bur-cucumber
Juniperus virginiana L. - eastern red-cedar
Thuja occidentalis L. - northern white-cedar
Carex sp. L. - Sedge
Carex albursina E.Sheld. - white bear sedge
Carex blanda Dewey - wood sedge
Carex brevior (Dewey) Mack. - plains oval sedge
Carex careyana Torr. ex Dewey - Carey's wood sedge
Carex eburnea Boott - bristle-leaf sedge
Carex grayi J.Carey - Gray's sedge
Carex hirtifolia Mack. - pubescent sedge
Carex intumescens Rudge - swollen sedge
Carex lacustris Willd. - rip-gut sedge
Carex laeviconica Dewey - smooth-cone sedge
Carex meadii Dewey - Mead's stiff sedge
Carex oligocarpa Willd. - rich-woods sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex richardsonii R.Br. - Richardson's sedge
Carex sparganioides Muhl. ex Willd. - loose-headed bracted sedge
Carex stricta Lam. - uptight sedge
Carex trichocarpa Willd. - hairy-fruit sedge
Carex tuckermanii Dewey - Tuckerman's sedge
Carex typhina Michx. - cat-tail sedge
Carex utriculata Boott - Northwest Territory sedge
Cyperus sp. L. - Flat Sedge
Cyperus diandrus Torr. - umbrella flat sedge
Cyperus erythrorhizos Muhl. - red-rooted sedge
Cyperus odoratus L. - rusty flat sedge
Cyperus schweinitzii Torr. - Schweinitz's flat sedge
Cyperus squarrosus L. - bearded flat sedge
Cyperus strigosus L. - straw-colored cyperus
Lipocarpha micrantha (Vahl) G.C.Tucker - small-flowered hemicarpha
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus pedicellatus Fernald - stalked wool-grass
Cystopteris bulbifera (L.) Bernh. - bulblet fragile fern
Cystopteris laurentiana (Weath.) Blasdell - St. Lawrence bladder fern
Cystopteris tennesseensis Shaver - Tennessee bladder fern
Cystopteris tenuis (Michx.) Desv. - upland brittle bladder fern
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum hyemale - scouring rush horsetail
Pyrola elliptica Nutt. - wax-flower shin-leaf
Euphorbia corollata L. - flowering spurge
Euphorbia cyparissias L. - graveyard spurge
Euphorbia davidii Subils - David's spurge
Euphorbia nutans Lag. - nodding spurge
Euphorbia vermiculata Raf. - worm-seed sand-mat
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
Desmodium canadense (L.) DC. - showy tick-trefoil
Desmodium canescens (L.) DC. - hoary tick-trefoil
Desmodium illinoense A.Gray - prairie tick-trefoil
Desmodium perplexum B.G.Schub. - perplexed tick-trefoil
Gymnocladus dioicus (L.) K.Koch - Kentucky coffee-tree
Lespedeza capitata Michx. - round-headed lespedeza
Lespedeza repens (L.) W.P.C.Barton - smooth trailing lespedeza
Lotus corniculatus L. - bird's-foot trefoil
Lupinus perennis L. - wild lupine
Medicago lupulina L. - black medick
Melilotus albus Medik. - white sweet-clover
Securigera varia (L.) Lassen - purple crown-vetch
Tephrosia virginiana (L.) Pers. - Virginia tephrosia
Trifolium aureum Pollich - yellow hop clover
Trifolium campestre Schreb. - pinnate hop clover
Trifolium hybridum L. - alsike 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
Geranium maculatum L. - wild geranium
Ribes americanum Mill. - wild black currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes missouriense Nutt. - Missouri gooseberry
Myriophyllum heterophyllum Michx. - various-leaved 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 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 prolificum L. - shrubby St. John's-wort
Hypericum punctatum Lam. - spotted St. John's-wort
Hypoxis hirsuta (L.) Coville - yellow star-grass
Sisyrinchium albidum Raf. - white blue-eyed-grass
Sisyrinchium campestre E.P.Bicknell - prairie blue-eyed-grass
Sisyrinchium strictum E.P.Bicknell - mountain blue-eyed-grass
Carya ovata var. ovata - shellbark hickory
Juglans cinerea L. - white walnut
Juglans nigra L. - black walnut
Juncus interior Wiegand - interior rush
Juncus nodosus L. - knotted rush
Juncus tenuis Willd. - roadside rush
Agastache foeniculum (Pursh) Kuntze - lavender giant hyssop
Agastache nepetoides (L.) Kuntze - yellow giant hyssop
Chaiturus marrubiastrum (L.) Rchb. - horehound motherwort
Hedeoma hispida Pursh - rough pennyroyal
Hedeoma pulegioides (L.) Pers. - American pennyroyal
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