Listing of the known Konza Prairie vascular plants alphabetized by genera. This list is a recapilulation of the 576 species from: Towne, E.G. 2002. Vascular plants of Konza Prairie Biological Station: an annotated checklist of species in a Kansas tallgrass prairie. Sida 20:269-294. Genus species Common name Family Abutilon theophrasti Velvetleaf Malvaceae Acalypha ostryaefolia Hop-hornbeam copperleaf Euphorbiaceae Acalypha rhomboidea Rhombic copperleaf Euphorbiaceae Acalypha virginica Virginia copperleaf Euphorbiaceae Acer negundo Boxelder Aceraceae Achillea millefolium Western yarrow Asteraceae Aegilops cylindrica Goat grass Poaceae Aesculus glabra Ohio buckeye Hippocastanaceae Agalinis aspera Rough agalinis Scrophulariaceae Agalinis densiflora Fine-leaf hairy-foxglove Scrophulariaceae Agastache nepetoides Catnip giant-hyssop Lamiaceae Ageratina altissima White snakeroot Asteraceae Agrimonia pubescens Downy agrimonia Rosaceae Agrostis hyemalis Winter bent grass; tickle grass Poaceae Agrostis stolonifera Redtop Poaceae Alisma subcordatum Subcordate water-plantain Alismataceae Alliaria petiolata Garlic-mustard Brassicaceae Allium canadense Wild onion Liliaceae Allium stellatum Pink onion Liliaceae Alopecurus carolinianus Carolina foxtail Poaceae Amaranthus blitoides Prostrate pigweed Amaranthaceae Amaranthus palmeri Palmer's pigweed Amaranthaceae Amaranthus retroflexus Rough pigweed Amaranthaceae Amaranthus rudis Water-hemp Amaranthaceae Ambrosia artemisiifolia Annual ragweed Asteraceae Ambrosia psilostachya Western ragweed Asteraceae Ambrosia trifida Giant ragweed Asteraceae Ammannia coccinea Purple toothcup Lythraceae Amorpha canescens Leadplant Fabaceae Amorpha fruticosa Indigobush amorpha Fabaceae Amphiachyris dracunculoides Annual broomweed Asteraceae Amphicarpaea bracteata Hog-peanut Fabaceae Andropogon gerardii Big bluestem Poaceae Androsace occidentalis Western rock-jasmine Primulaceae Anemone caroliniana Carolina anemone Ranunculaceae Anemone virginiana Tall anemone Ranunculaceae Antennaria neglecta Field pussytoes Asteraceae Apocynum cannabinum Hemp dogbane Apocynaceae Arabis hirsuta Hairy rockcress Brassicaceae Arctium minus Burdock Asteraceae Arenaria serpyllifolia Thyme-leaf sandwort Caryophyllaceae Argemone polyanthemos White prickly-poppy Papaveraceae Argyrochosma dealbata False cloak fern Pteridaceae Arisaema dracontium Dragonroot Araceae Aristida oligantha Prairie threeawn Poaceae Aristida purpurea Purple threeawn Poaceae Arnoglossum plantagineum Tuberous Indian-plantain Asteraceae Artemisia ludoviciana Louisiana sagewort Asteraceae Asclepias lanuginosa Woolly milkweed Asclepiadaceae Asclepias speciosa Showy milkweed Asclepiadaceae Asclepias stenophylla Narrow-leaf milkweed Asclepiadaceae Asclepias sullivantii Smooth milkweed Asclepiadaceae Asclepias syriaca Common milkweed Asclepiadaceae Asclepias tuberosa Butterfly milkweed Asclepiadaceae Asclepias verticillata Whorled milkweed Asclepiadaceae Asclepias viridiflora Green milkweed Asclepiadaceae Asclepias viridis Spider milkweed Asclepiadaceae Asimina triloba Pawpaw Annonaceae Asparagus officinalis Asparagus Liliaceae Astragalus canadensis Canadian milk-vetch Fabaceae Astragalus crassicarpus Ground-plum milk-vetch Fabaceae Astragalus lotiflorus Lotus milk-vetch Fabaceae Astragalus missouriensis Missouri milk-vetch Fabaceae Astragalus plattensis Platte River milk-vetch Fabaceae Bacopa rotundifolia Water-hyssop Scrophulariaceae Baptisia australis Blue wild-indigo Fabaceae Baptisia x bicolor Bicolor wild-indigo Fabaceae Baptisia bracteata Plains wild-indigo Fabaceae Barbarea vulgaris Wintercress Brassicaceae Bassia scoparia Fireweed; kochia Chenopodiaceae Bidens aristosa Coreopsis beggar-ticks Asteraceae Bidens bipinnata Spanish needles Asteraceae Bidens cernua Nodding beggar-ticks Asteraceae Bidens frondosa Devil's beggar-ticks Asteraceae Bolboschoenus fluviatilis River bulrush Cyperaceae Bothrichloa bladhii Caucasian bluestem Poaceae Bothrichloa ischaemum Turkestan bluestem Poaceae Bothrichloa laguroides Silver bluestem Poaceae Botrychium virginianum Rattlesnake fern Ophioglossaceae Bouteloua curtipendula Side-oats grama Poaceae Bouteloua gracilis Blue grama Poaceae Bouteloua hirsuta Hairy grama Poaceae Brickellia eupatorioides False-boneset Asteraceae Bromus inermis Smooth brome Poaceae Bromus japonicus Japanese brome Poaceae Bromus pubescens Woodland brome Poaceae Bromus tectorum Downy brome Poaceae Buchloe dactyloides Buffalo grass Poaceae Buglossoides arvensis Corn gromwell Boraginaceae Callirhoe alcaeoides Pale poppy-mallow Malvaceae Callirhoe involucrata Purple poppy-mallow Malvaceae Calylophus serrulatus Serrate-leaf evening-primrose Onagraceae Calystegia macounii Hedge bindweed Convolvulaceae Camelina microcarpa Little-pod false-flax Brassicaceae Campanulastrum americanum American bellflower Campanulaceae Campsis radicans Trumpet-creeper Bignoniaceae Cannabis sativa Hemp; marijuana Cannabaceae Capsella bursa-pastoris Shepherd's-purse Brassicaceae Cardamine concatenata Cut-leaf toothwort Brassicaceae Cardaria draba Hoary cress Brassicaceae Carduus nutans Musk-thistle Asteraceae Carex albicans White-tinge sedge Cyperaceae Carex austrina Southern sedge Cyperaceae Carex blanda Woodland sedge Cyperaceae Carex brachyglossa Yellow-fruit sedge Cyperaceae Carex brevior Straw sedge Cyperaceae Carex davisii Davis' sedge Cyperaceae Carex emoryi Emory's sedge Cyperaceae Carex frankii Frank's sedge Cyperaceae Carex gravida Heavy sedge Cyperaceae Carex grisea Narrow-leaf sedge Cyperaceae Carex hyalinolepis Shoreline sedge Cyperaceae Carex hystericina Bottle-brush sedge Cyperaceae Carex inops Prairie sedge Cyperaceae Carex meadii Mead's sedge Cyperaceae Carex molesta Pest sedge Cyperaceae Carex pellita Woolly sedge Cyperaceae Carex vulpinoidea Fox sedge Cyperaceae Carya cordiformis Bitter-nut hickory Juglandaceae Ceanothus herbaceus Inland ceanothus; New Jersey tea Rhamnaceae Celastrus scandens American bittersweet Celastraceae Celtis occidentalis Hackberry Ulmaceae Cenchrus longispinus Sandbur Poaceae Cerastium brachypodum Mouse-ear chickweed Caryophyllaceae Cercis canadensis Eastern redbud Fabaceae Chaerophyllum procumbens Spreading chervil Apiaceae Chaerophyllum tainturieri Erect chervil Apiaceae Chamaecrista fasciculata Showy partridgepea Fabaceae Chamaesyce glyptosperma Ridge-seed mat-spurge Euphorbiaceae Chamaesyce maculata Spotted mat-spurge Euphorbiaceae Chamaesyce missurica Missouri mat-spurge Euphorbiaceae Chamaesyce nutans Eyebane Euphorbiaceae Chamaesyce prostrata Prostrate mat-spurge Euphorbiaceae Chamaesyce serpens Serpent mat-spurge Euphorbiaceae Chamaesyce stictospora Slim-seed mat-spurge Euphorbiaceae Chenopodium album Lamb's-quarters Chenopodiaceae Chenopodium berlandieri Pit-seed goosefoot Chenopodiaceae Chenopodium pallescens Pale goosefoot Chenopodiaceae Chenopodium simplex Maple-leaf goosefoot Chenopodiaceae Chenopodium standleyanum Standley's goosefoot Chenopodiaceae Chloris verticillata Windmill grass Poaceae Chorispora tenella Blue-mustard Brassicaceae Cirsium altissimum Tall thistle Asteraceae Cirsium undulatum Wavy-leaf thistle Asteraceae Cirsium vulgare Bull thistle Asteraceae Clematis pitcheri Pitcher's clematis Ranunculaceae Comandra umbellata Bastard toad-flax Santalaceae Commelina erecta Erect dayflower Commelinaceae Conium maculatum Poison-hemlock Apiaceae Convolvulus arvensis Field bindweed Convolvulaceae Conyza canadensis Canada horseweed Asteraceae Conyza ramosissima Spreading horseweed Asteraceae Cornus amomum Pale dogwood Cornaceae Cornus drummondii Rough-leaf dogwood Cornaceae Coronilla varia Crown-vetch Fabaceae Corydalis micrantha Slender fumewort Fumariaceae Crategus mollis Summer haw; downy hawthorn Rosaceae Crotalaria sagittalis Rattlebox Fabaceae Croton capitatus Woolly croton Euphorbiaceae Croton monanthogynus One-seed croton Euphorbiaceae Cucurbita foetidissima Buffalo gourd Cucurbitaceae Cuscuta glomerata Cluster dodder Cuscutaceae Cuscuta indecora Showy dodder Cuscutaceae Cynanchum laeve Climbing-milkweed Asclepiadaceae Cynodon dactylon Bermuda grass Poaceae Cynoglossum officinale Hound's-tongue Boraginaceae Cyperus acuminatus Tape-leaf flat-sedge Cyperaceae Cyperus bipartitus Brook flat-sedge Cyperaceae Cyperus esculentus Yellow nut-sedge Cyperaceae Cyperus lupulinus Plains flat-sedge Cyperaceae Cyperus x mesochorus Intermediate flat-sedge Cyperaceae Cyperus odoratus Rusty flat-sedge Cyperaceae Cyperus squarrosus Awned flat-sedge Cyperaceae Cyperus strigosus Straw flat-sedge Cyperaceae Dactylis glomerata Orchard grass Poaceae Dalea aurea Silk-top prairie-clover Fabaceae Dalea candida White prairie-clover Fabaceae Dalea leporina Fox-tail prairie-clover Fabaceae Dalea multiflora Round-head prairie-clover Fabaceae Dalea purpurea Purple prairie-clover Fabaceae Datura stramonium Jimsonweed Solanaceae Delphinium carolinianum Plains larkspur Ranunculaceae Descurainia pinnata Pinnate tansy-mustard Brassicaceae Descurainia sophia Flixweed tansy-mustard Brassicaceae Desmanthus illinoensis Illinois bundle-flower Fabaceae Desmodium canescens Hoary tick-clover Fabaceae Desmodium glutinosum Large-flower tick-clover Fabaceae Desmodium illinoense Illinois tick-clover Fabaceae Desmodium paniculatum Panicled tick-clover Fabaceae Desmodium sessilifolium Sessile tick-clover Fabaceae Dianthus armeria Deptford pink Caryophyllaceae Diarrhena obovata American beakgrain Poaceae Dicentra cucullaria Dutchman's-breeches Fumariaceae Dichanthelium acuminatum Woolly dichanthelium Poaceae Dichanthelium oligosanthes Scribner's dichanthelium Poaceae Digitaria cognata Fall witch grass Poaceae Digitaria sanguinalis Hairy crab grass Poaceae Draba cuneifolia Wedge-leaf draba Brassicaceae Draba reptans White whitlow-wort Brassicaceae Dyssodia papposa Prairie dogweed; fetid-marigold Asteraceae Echinacea angustifolia Black-sampson echinacea Asteraceae Echinochloa muricata Barnyard grass Poaceae Echinodorus berteroi Burhead Alismataceae Eclipta prostrata Yerba-de-tajo Asteraceae Elaeagnus angustifolia Russian-olive Elaeagnaceae Eleocharis compressa Flat-stem spike-rush Cyperaceae Eleocharis erythropoda Red-foot spike-rush Cyperaceae Eleocharis palustris Long-stem spike-rush Cyperaceae Eleusine indica Goose grass Poaceae Ellisia nyctelea Waterpod Hydrophyllaceae Elymus canadensis Canadian wild-rye Poaceae Elymus villosus Hairy wild-rye Poaceae Elymus virginicus Virginia wild-rye Poaceae Equisetum laevigatum Smooth scouring-rush Equisetaceae Eragrostis capillaris Lace grass Poaceae Eragrostis cilianensis Stink grass Poaceae Eragrostis pectinacea Carolina love grass Poaceae Eragrostis spectabilis Purple love grass Poaceae Erechtites hieraciifolia American burnweed Asteraceae Erigeron annuus Annual fleabane Asteraceae Erigeron philadelphicus Philadelphia fleabane Asteraceae Erigeron strigosus Daisy fleabane Asteraceae Eriochloa contracta Prairie cup grass Poaceae Erysimum repandum Bushy wallflower Brassicaceae Erythronium albidum White fawn-lily Liliaceae Escobaria missouriensis Nipple cactus Cactaceae Euonymus atropurpurea Eastern wahoo Celastraceae Eupatorium altissimum Tall joe-pye-weed Asteraceae Euphorbia corollata Flowering spurge Euphorbiaceae Euphorbia cyathophora Painted spurge Euphorbiaceae Euphorbia davidii Western toothed spurge Euphorbiaceae Euphorbia dentata Eastern toothed spurge Euphorbiaceae Euphorbia hexagona Six-angle spurge Euphorbiaceae Euphorbia marginata Snow-on-the-mountain Euphorbiaceae Euphorbia spathulata Warty spurge Euphorbiaceae Euthamia gymnospermoides Sticky euthamia Asteraceae Evolvulus nuttallianus Nuttall's evolvulus Convolvulaceae Festuca subverticillata Nodding fescue Poaceae Fraxinus pennsylvanica Green ash Oleaceae Fuirena simplex Umbrella-sedge Cyperaceae Galium aparine Catch-weed bedstraw Rubiaceae Galium circaezans Woods bedstraw Rubiaceae Galium triflorum Sweet-scented bedstraw Rubiaceae Gaura mollis Small-flower gaura; velvet gaura Onagracene Gentiana puberulenta Downy gentian Gentianaceae Geranium carolinianum Carolina crane's-bill Geraniaceae Geum canadense White avens Rosaceae Glandularia bipinnatifida Dakota verbena Verbenaceae Glandularia canadensis Rose verbena Verbenaceae Gleditsia triacanthos Honey-locust Fabaceae Glyceria striata Fowl manna grass Poaceae Glycyrrhiza lepidota American licorice Fabaceae Grindelia squarrosa Curly-cup gumweed Asteraceae Gymnocladus dioicus Kentucky coffeetree Fabaceae Hackelia virginiana Virginia stickseed Boraginaceae Hedeoma hispidum Rough false-penny-royal Lamiaceae Hedyotis nigricans Narrow-leaf bluets Rubiaceae Helianthus annuus Common sunflower Asteraceae Helianthus hirsutus Hairy sunflower Asteraceae Helianthus maximilianii Maximilian's sunflower Asteraceae Helianthus pauciflorus Stiff sunflower Asteraceae Helianthus petiolaris Plains sunflower Asteraceae Helianthus tuberosus Jerusalem artichoke Asteraceae Heliopsis helianthoides Rough heliopsis Asteraceae Hesperis matronalis Dame's rocket Brassicaceae Hesperostipa spartea Porcupine grass Poaceae Heterotheca canescens Golden-aster Asteraceae Hibiscus trionum Flower-of-an-hour Malvaceae Hieracium longipilum Long-beard hawkweed Asteraceae Holosteum umbellatum Jagged chickweed Caryophyllaceae Hordeum jubatum Fox-tail barley Poaceae Hordeum pusillum Little barley Poaceae Houstonia pusilla Small bluets Rubiaceae Hybanthus verticillatus Nodding green-violet Violaceae Hymenopappus scabiosaeus White-bract hymenopappus; old plainsman Asteraceae Hypericum perforatum Common St. John's-wort Clusiaceae Ipomoea hederacea Ivy-leaf morning-glory Convolvulaceae Ipomoea lacunosa White morning-glory Convolvulaceae Ipomoea pandurata Big-root morning-glory Convolvulaceae Isanthus brachiatus Fluxweed Lamiaceae Iva annua Annual sumpweed Asteraceae Juglans nigra Black walnut Juglandaceae Juncus dudleyi Dudley's rush Junacaceae Juncus interior Inland rush Junacaceae Juncus torreyi Torrey's rush Junacaceae Juniperus virginiana Red-cedar Cupressaceae Koeleria macrantha Prairie June grass Poaceae Krigia cespitosa Dwarf-dandelion Asteraceae Kummerowia stipulacea Korean lespedeza Fabaceae Lactuca canadensis Canadian lettuce Asteraceae Lactuca ludoviciana Louisiana lettuce Asteraceae Lactuca saligna Willow-leaf lettuce Asteraceae Lactuca serriola Prickly lettuce Asteraceae Lamium amplexicaule Hen-bit Lamiaceae Laportea canadensis Canadian wood-nettle Urticaceae Leersia oryzoides Rice cut grass Poaceae Leersia virginica White grass Poaceae Lemna minor Lesser duckweed Lemnaceae Lepidium densiflorum Common pepperweed Brassicaceae Lepidium oblongum Branched pepperweed Brassicaceae Lepidium virginicum Virginia pepperweed Brassicaceae Leptochloa fusca Bearded sprangletop Poaceae Leptochloa panicea Red sprangletop Poaceae Lespedeza capitata Round-head lespedeza Fabaceae Lespedeza cuneata Sericea lespedeza Fabaceae Lespedeza stuevei Tall bush-clover Fabaceae Lespedeza violacea Prairie lespedeza Fabaceae Leucospora multifida Paleseed Scrophulariaceae Liatris aspera Button gayfeather Asteraceae Liatris mucronata Eastern dotted gayfeather Asteraceae Liatris punctata Western dotted gayfeather Asteraceae Linum sulcatum Grooved flax Linaceae Lithospermum canescens Hoary gromwell Boraginaceae Lithospermum incisum Narrow-leaf gromwell; fringed puccoon Boraginaceae Lobelia cardinalis Red cardinal-flower Campanulaceae Lobelia siphilitica Blue cardinal-flower Campanulaceae Lolium arundinaceum Tall fescue Poaceae Lolium perenne Rye grass Poaceae Lolium pratense Meadow fescue Poaceae Lomatium foeniculaceum Carrot-leaf lomatium Apiaceae Lonicera maackii Amur honeysuckle Caprifoliaceae Lycopus americanus American bugleweed Lamiaceae Lysimachia ciliata Fringed loosestrife Primulaceae Lythrum alatum Winged loosestrife Lythraceae Maclura pomifera Hedge-apple; osage-orange Moraceae Malva neglecta Common mallow Malvaceae Malvastrum hispidum Rough false-mallow Malvaceae Marrubium vulgare Common horehound Lamiaceae Medicago lupulina Black medic Fabaceae Medicago sativa Alfalfa Fabaceae Melilotus officinalis Yellow sweet-clover, white sweet-clover Fabaceae Menispermum canadense Moonseed Menispermaceae Mentha arvensis Field mint Lamiaceae Mentzelia oligosperma Stick-leaf Loasaceae Microthlaspi perfoliatum Perfoliate pennycress Brassicaceae Mimosa nuttallii Cat-claw sensitive-brier Fabaceae Mimulus glabratus Yellow monkey-flower Scrophulariaceae Mirabilis albida White four-o'clock Nyctaginaceae Mirabilis linearis Narrow-leaf four-o'clock Nyctaginaceae Mirabilis nyctaginea Wild four-o'clock Nyctaginaceae Mollugo verticillata Carpetweed Molluginaceae Monarda fistulosa Mint-leaf bee-balm; wild bergamot Lamiaceae Monolepis nuttalliana Povertyweed Chenopodiaceae Morus alba White mulberry Moraceae Muhlenbergia bushii Nodding muhly Poaceae Muhlenbergia cuspidata Plains muhly Poaceae Muhlenbergia frondosa Wire-stem muhly Poaceae Muhlenbergia mexicana Leafy muhly Poaceae Muhlenbergia racemosa Green muhly; marsh muhly Poaceae Muhlenbergia schreberi Nimblewill Poaceae Myosotis verna Virginia forget-me-not Boraginaceae Myosurus minimus Tiny mousetail Ranunculaceae Najas guadalupensis Common naiad Najadaceae Nepeta cataria Catnip Lamiaceae Nothocalais cuspidata Wavy-leaf false-dandelion Asteraceae Oenothera biennis Common evening-primose Onagraceae Oenothera laciniata Cut-leaf evening-primrose Onagraceae Oenothera macrocarpa Missouri evening-primose Onagraceae Oenothera speciosa Showy evening-primrose Onagraceae Oligoneuron rigidum Stiff goldenrod Asteraceae Onosmodium molle Western marbleseed Boraginaceae Ophioglossum engelmannii Adder's-tongue Ophioglossaceae Opuntia macrorhiza Plains pricklypear Cactaceae Ornithogalum umbellatum Star-of-Bethlehem Liliaceae Orobanche uniflora One-flower broomrape Orobanchaceae Osmorhiza longistylis Long-style sweet-cicely Apiaceae Ostrya virginiana Hop-hornbeam Betulaceae Oxalis dillenii Gray-green wood-sorrel Oxalidaceae Oxalis stricta Yellow wood-sorrel Oxalidaceae Oxalis violacea Violet wood-sorrel Oxalidaceae Packera plattensis Prairie groundsel Asteraceae Panicum capillare Common witch grass Poaceae Panicum dichotomiflorum Fall panicum Poaceae Panicum obtusum Vine-mesquite Poaceae Panicum virgatum Switch grass Poaceae Parietaria pensylvanica Pennsylvania pellitory Urticaceae Parthenocissus quinquefolia Virginia creeper Vitaceae Pascopyrum smithii Western wheat grass Poaceae Paspalum pubiflorum Hairy-seed paspalum Poaceae Paspalum setaceum Sand paspalum Poaceae Pediomelum argophyllum Silver-leaf scurfpea Fabaceae Pediomelum esculentum Breadroot scurfpea Fabaceae Pellaea glabella Smooth cliff brake Pteridaceae Penstemon cobaea Cobaea beardtongue Scrophulariaceae Penstemon grandiflorus Shell-leaf beardtongue; large beardtongue Scrophulariaceae Penstemon tubiflorus Tube beardtongue Scrophulariaceae Penthorum sedoides Ditch stonecrop Crassulaceae Phleum pratense Timothy Poaceae Phlox divaricata Blue phlox Polemoniaceae Phryma leptostachya Lopseed Verbenaceae Phyla lanceolata Northern fogfruit Verbenaceae Physalis hederifolia Heart-leaf ground-cherry Solanaceae Physalis heterophylla Clammy ground-cherry Solanaceae Physalis pubescens Downy ground-cherry Solanaceae Physalis pumila Prairie ground-cherry Solanaceae Physalis virginiana Virginia ground-cherry Solanaceae Phytolacca americana Pokeweed Phytolaccaceae Pilea pumila Clearweed Urticaceae Plantago aristata Bottle-brush plantain Plantaginaceae Plantago lanceolata Buck-horn plantain Plantaginaceae Plantago patagonica Woolly plantain Plantaginaceae Plantago rhodosperma Red-seed plantain Plantaginaceae Plantago rugelii Black-seed plantain Plantaginaceae Plantago virginica Pale-seed plantain Plantaginaceae Platanus occidentalis Sycamore Platanaceae Poa arida Plains blue grass Poaceae Poa chapmaniana Chapman's blue grass Poaceae Poa compressa Canadian blue grass Poaceae Poa pratensis Kentucky blue grass Poaceae Polanisia dodecandra Clammyweed Capparaceae Polygala verticillata Whorled milkwort Polygalaceae Polygonatum biflorum Solomon's-seal Polygalaceae Polygonum amphibium Water smartweed Polygalaceae Polygonum aviculare Prostrate knotweed Polygalaceae Polygonum hydropiper Swamp water-pepper Polygalaceae Polygonum hydropiperoides Mild water-pepper Polygalaceae Polygonum lapathifolium Pale smartweed Polygalaceae Polygonum pensylvanicum Pennsylvania smartweed Polygalaceae Polygonum persicaria Lady's-thumb smartweed Polygalaceae Polygonum punctatum Dotted smartweed Polygalaceae Polygonum ramosissimum Bushy knotweed Polygalaceae Polygonum scandens False buckwheat Polygalaceae Polygonum tenue Slim knotweed Polygalaceae Polygonum virginianum Virginia smartweed Polygalaceae Populus deltoides Cottonwood Salicaceae Portulaca oleracea Common purslane Portulacaceae Potamogeton foliosus Leafy pondweed Potamogetonaceae Potamogeton nodosus Long-leaf pondweed Potamogetonaceae Potamogeton pusillus Baby pondweed Potamogetonaceae Potentilla arguta Tall cinquefoil Rosaceae Potentilla recta Sulphur cinquefoil Rosaceae Prunella vulgaris Selfheal Lamiaceae Prunus americana Wild plum Rosaceae Prunus angustifolia Chickasaw plum Rosaceae Prunus virginiana Choke cherry Rosaceae Pseudognaphalium obtusifolium Fragrant cudweed Asteraceae Psoralidium tenuiflorum Many-flower scurfpea Fabaceae Quercus macrocarpa Bur oak Fagaceae Quercus muehlenbergii Chinquapin oak Fagaceae Ranunculus abortivus Little-leaf buttercup Ranunculaceae Ratibida columnifera Upright prairie-coneflower Asteraceae Rhus aromatica Aromatic sumac Anacardiaceae Rhus glabra Smooth sumac Anacardiaceae Ribes missouriense Missouri gooseberry Grossulariaceae Robinia pseudoacacia Black locust Fabaceae Rorippa nasturtium-aquaticum Watercress Brassicaceae Rorippa palustris Bog yellowcress Brassicaceae Rorippa sessiliflora Stalkless yellowcress Brassicaceae Rorippa sinuata Spreading yellowcress Brassicaceae Rosa arkansana Arkansas rose Rosaceae Rosa multiflora Multiflora rose Rosaceae Rubus occidentalis Black raspberry Rosaceae Rubus ostryifolius High-bush blackberry Rosaceae Rudbeckia hirta Black-eyed susan Asteraceae Ruellia humilis Fringe-leaf ruellia Acanthaceae Ruellia strepens Limestone ruellia Acanthaceae Rumex altissimus Pale dock Polygalaceae Rumex crispus Curly dock Polygalaceae Sagittaria latifolia Common arrowhead Alismataceae Salix amygdaloides Peach-leaf willow Salicaceae Salix caroliniana Carolina willow Salicaceae Salix exigua Sandbar willow Salicaceae Salix nigra Black willow Salicaceae Salvia azurea Pitcher's sage; blue sage Lamiaceae Salvia reflexa Lance-leaf sage Lamiaceae Sambucus nigra American elderberry Caprifoliaceae Sanicula canadensis Canadian sanicle Apiaceae Saponaria officinalis Soapwort Caryophyllaceae Schedonnardus paniculatus Tumble grass Poaceae Schizachyrium scoparium Little bluestem Poaceae Scirpus atrovirens Green bulrush Cyperaceae Scirpus pendulus Drooping bulrush Cyperaceae Scirpus tabernaemontani Soft-stem bulrush Cyperaceae Scrophularia marilandica Maryland figwort Scrophulariaceae Scutellaria parvula Small skullcap Lamiaceae Senna marilandica Wild senna Fabaceae Setaria pumila Yellow bristle grass Poaceae Setaria viridis Green bristle grass Poaceae Sicyos angulatus Bur-cucumber Cucurbitaceae Sida spinosa Prickly sida Malvaceae Silene antirrhina Sleepy catchfly Caryophyllaceae Silene stellata Starry silene Caryophyllaceae Silphium integrifolium Whole-leaf rosinweed Asteraceae Silphium laciniatum Compassplant Asteraceae Sisyrinchium campestre Prairie blue-eyed-grass Iridaceae Smilax herbacea Carrion-flower greenbrier Smilacaceae Smilax tamnoides Bristly greenbrier Smilacaceae Solanum carolinense Carolina horse-nettle Solanaceae Solanum ptychanthum Black nightshade Solanaceae Solanum rostratum Buffalo-bur nightshade Solanaceae Solidago canadensis Canadian goldenrod; tall goldenrod Asteraceae Solidago gigantea Late goldenrod Asteraceae Solidago missouriensis Missouri goldenrod Asteraceae Solidago mollis Ashy goldenrod Asteraceae Solidago petiolaris Downy goldenrod Asteraceae Solidago speciosa Showy-wand goldenrod Asteraceae Sonchus asper Prickly sow-thistle Asteraceae Sorghastrum nutans Indian grass Poaceae Sorghum halepense Johnson grass Poaceae Spartina pectinata Prairie cord grass Poaceae Spermolepis inermis Scaleseed Apiaceae Sphenopholis obtusata Prairie wedgescale Poaceae Spiranthes cernua Nodding ladies'-tresses Orchidaceae Spiranthes vernalis Spring ladies'-tresses Orchidaceae Sporobolus compositus Tall dropseed Poaceae Sporobolus cryptandrus Sand dropseed Poaceae Sporobolus heterolepis Prairie dropseed Poaceae Sporobolus neglectus Puff-sheath dropseed Poaceae Sporobolus vaginiflorus Poverty dropseed Poaceae Stellaria pallida Lesser chickweed Caryophyllaceae Stenosiphon linifolius Flax-leaf stenosiphon Onagraceae Strophostyles helvula Trailing wildbean Fabaceae Strophostyles leiosperma Smooth-seed wildbean Fabaceae Symphoricarpos orbiculatus Buckbrush Caprifoliaceae Symphyotrichum drummondii Drummond's aster Asteraceae Symphyotrichum ericoides Heath aster Asteraceae Symphyotrichum laeve Smooth aster Asteraceae Symphyotrichum lanceolatum Panicled aster Asteraceae Symphyotrichum oblongifolium Aromatic aster Asteraceae Symphyotrichum oolentangiense Azure aster Asteraceae Symphyotrichum pilosum Hairy aster Asteraceae Symphyotrichum sericeum Silky aster Asteraceae Symphyotrichum subulatum Saltmarsh aster Asteraceae Taraxacum officinale Dandelion Asteraceae Teucrium canadense American germander Lamiaceae Thalictrum dasycarpum Purple meadow-rue Ranunculaceae Thlaspi arvense Field pennycress Brassicaceae Tilia americana Basswood Tiliaceae Torilis arvensis Hedge-parsley Apiaceae Toxicodendron radicans Poison-ivy Anacardiaceae Tradescantia bracteata Bracted spiderwort Commelinaceae Tradescantia ohiensis Ohio spiderwort Commelinaceae Tragia betonicifolia Nettle-leaf noseburn Euphorbiaceae Tragia ramosa Catnip noseburn Euphorbiaceae Tragopogon dubius Goat's-beard; western salsify Asteraceae Tribulus terrestris Puncturevine Zygophyllaceae Tridens flavus Purpletop Poaceae Trifolium pratense Red clover Fabaceae Trifolium repens White clover Fabaceae Triodanis leptocarpa Slimpod Venus'-looking-glass Campanulaceae Triodanis perfoliata Clasping Venus'-looking-glass Campanulaceae Triosteum perfoliatum Horse-gentian Caprifoliaceae Tripsacum dactyloides Eastern gamma grass Poaceae Typha angustifolia Narrow-leaf cat-tail Typhaceae Typha latifolia Broad-leaf cat-tail Typhaceae Ulmus americana American elm Ulmaceae Ulmus pumila Siberian elm Ulmaceae Ulmus rubra Red elm; slippery elm Ulmaceae Urtica dioica Stinging nettle Urticaceae Verbascum blattaria Moth mullein Scrophulariaceae Verbascum thapsus Flannel mullein Scrophulariaceae Verbena bracteata Bigbract verbena; prostrate verbena Verbenaceae Verbena hastata Blue verbena Verbenaceae Verbena simplex Narrow-leaf verbena Verbenaceae Verbena stricta Woolly verbena Verbenaceae Verbena urticifolia Nettle-leaf verbena; white verbena Verbenaceae Verbesina alternifolia Wing-stem Scrophulariaceae Vernonia baldwinii Western ironweed Asteraceae Veronica agrestis Field speedwell Scrophulariaceae Veronica anagallis-aquatica Water speedwell Scrophulariaceae Veronica arvensis Corn speedwell Scrophulariaceae Veronica peregrina Pursland speedwell Scrophulariaceae Vicia americana American vetch Fabaceae Vicia villosa Hairy vetch Fabaceae Viola bicolor Johnny-jump-up; field pansy Violaceae Viola nephrophylla Common violet Violaceae Viola pedatifida Prairie violet Violaceae Viola sororia Downy blue violet Violaceae Vitis riparia Riverbank grape Vitaceae Vulpia octoflora Six-weeks fescue Poaceae Woodsia obtusa Blunt-lobed cliff fern Dryopteridaceae Xanthium strumarium Cocklebur Asteraceae Yucca glauca Small soapweed; yucca Agavaceae Zanthoxylum americanum Prickly-ash Rutaceae Zigadenus nuttallii Nuttall's death-camas Liliaceae Zizia aurea Golden alexanders Apiaceae