Prairie plants found in Polk county:
Agropyron smithii Rydb.
(Western wheatgrass)		Agropyron trachycaulum (Link) Make
(Slender wheatgrass)		Andropogon gerardii Vitman
(Big bluestem)
Anemone canadensis L.
(Canada anemone)		Anemone cylindrica Gray
(Windflower)		Anemone cylindrica Gray
(Thimbleweed)
Antennaria neglecta Greene
(Pussytoes)		Antennaria neglecta Greene
(Field pussytoes)		Antennaria plantaginifolia (L.) Richardson
(Ladies’-tobacco)
Antennaria plantaginifolia (L.) Richardson
(Plantain-leaved pussytoes)		Apocynum sibiricum Jacq.
(Indian hemp)		Artemisia campestris L.
(Western sagewort)
Artemisia campestris L.
(Tall wormwood)		Artemisia caudata Michx.
(Western sagewort)		Artemisia caudata Michx.
(Tall wormwood)
Artemisia ludoviciana Nutt.
(White sage)		Asclepias amplexicaulis Smith
(Sand milkweed)		Asclepias amplexicaulis Smith
(Blunt-leaved milkweed)
Asclepias incarnata L.
(Swamp milkweed)		Asclepias sullivantii Engelm. ex Gray
(Prairie milkweed)		Asclepias sullivantii Engelm. ex Gray
(Sullivant’s milkweed)
Asclepias syriaca L.
(Common milkweed)		Asclepias tuberosa L.
(Butterfly weed)		Asclepias tuberosa L.
(Pleurisy-root)
Asclepias verticillata L.
(Whorled milkweed)		Asclepias viridiflora Raf.
(Green milkweed)		Asclepias viridiflora Raf.
(Green-flowered milkweed)
Aster ericoides L.
(Heath aster)		Aster ericoides L.
(Frost weed)		Aster laevis L.
(Smooth blue aster)
Aster oblongifolius Nutt.
(Aromatic aster)		Aster praealtus Poiret
(Willow aster)		Aster sericeus Vent.
(Silky aster)
Astragalus crassicarpus Nutt.
(Ground plum)		Baptisia bracteata Muhl. ex Ell.
(False indigo)		Baptisia bracteata Muhl. ex Ell.
(Cream false indigo)
Baptisia lactea (Raf.) Thieret
(White wild indigo)		Baptisia lactea (Raf.) Thieret
(White false indigo)		Baptisia leucantha T. & G.
(White wild indigo)
Baptisia leucantha T. & G.
(White false indigo)		Baptisia leucophaea Nutt.
(False indigo)		Baptisia leucophaea Nutt.
(Cream false indigo)
Bouteloua curtipendula (Michx.) Torrey
(Side-oats grama)		Bouteloua hirsuta Lag.
(Hairy grama)		Brickellia eupatorioides (L.) Shinners
(False boneset)
Cacalia plantaginea (Raf.) Shinners
(Prairie Indian plantain)		Cacalia tuberosa Nutt.
(Prairie Indian plantain)		Calylophus serrulatus (Nutt.) Raven
(Toothed evening primrose)
Campanula aparinoides Pursh
(Marsh bellflower)		Campanula aparinoides Pursh
(Bedstraw bellflower)		Cardamine bulbosa (Schreber) BSP.
(Spring cress)
Carex brevior (Dewey) Mack, ex Lunell
(Sedge)		Carex gravida Bailey
(Sedge)		Carex lasiocarpa Ehrh.
(Slender sedge)
Cassia fasciculata Michx.
(Partridge pea)		Ceanothus americanus L.
(New Jersey tea)		Ceanothus herbaceus Raf.
(Redroot)
Ceanothus ovatus Desf. (misapplied)
(Redroot)		Chamaecrista fasciculata (Michx.) Greene
(Partridge pea)		Cirsium altissimum (L.) Sprengel
(Tall thistle)
Cirsium hillii (Canby) Fern.
(Hill’s thistle)		Coreopsis palmata Nutt.
(Tickseed)		Coreopsis palmata Nutt.
(Stiff tickseed)
Crotalaria sagittalis L.
(Rattle box)		Cypripedium candidum Muhl. ex Willd.
(Small white lady’s slipper orchid)		Dalea purpurea Vent.
(Purple prairie clover)
Delphinium virescens Nutt.
(Prairie larkspur)		Desmanthus illinoensis (Michx.) MacM.
(Prairie mimosa)		Desmanthus illinoensis (Michx.) MacM.
(Illinois bundle flower)
Desmodium canadense (L.) DC.
(Showy tick trefoil)		Desmodium canadense (L.) DC.
(Tick clover)		Desmodium illinoense Gray
(Illinois tick trefoil)
Dichanthelium leibergii (Vasey) Freckman
(Leiberg’s panic grass)		Dichanthelium oligosanthes var. scribnerianum
(Scribner’s panic grass)		Echinacea angustifolia
(Pale coneflower)
Echinacea pallida Nutt.
(Pale coneflower)		Elymus canadensis L.
(Canada wild rye)		Equisetum laevigatum A. Br.
(Smooth scouring-rush)
Equisetum laevigatum A. Br.
(Prairie scouring-rush)		Erigeron strigosus Muhl. ex Willd.
(Fleabane)		Erigeron strigosus Muhl. ex Willd.
(Daisy fleabane)
Eryngium yuccifolium Michx.
(Rattlesnake master)		Euphorbia corollata L.
(Flowering spurge)		Euphorbia dentata Michx.
(Toothed spurge)
Euphorbia glyptosperma Engelm.
(Spurge)		Euthamia graminifolia (L.) Nutt. ex Cass.
(Lance-leaved goldenrod)		Euthamia graminifolia (L.) Nutt. ex Cass.
(Grass-leaved goldenrod)
Fragaria virginiana Duchesne
(Wild strawberry)		Gaura biennis L.
(Biennial gaura)		Gaura filiformis Small
(Biennial gaura)
Gentiana alba Muhl.
(Pale gentian)		Gentiana alba Muhl.
(Yellow gentian)		Gentiana flavida A. Gray
(Pale gentian)
Gentiana flavida A. Gray
(Yellow gentian)		Gentiana puberula Michx.
(Downy gentian)		Gentiana puberulenta J. Pringle
(Downy gentian)
Geranium carolinianum L.
(Cranesbill)		Geranium carolinianum L.
(Carolina crane’s bill)		Geranium maculatum L.
(Wild geranium)
Glycyrrhiza lepidota Pursh
(Wild licorice)		Glycyrrhiza lepidota Pursh
(Licorice-root)		Helenium autumnale L.
(Sneezeweed)
Helianthus grosseserratus Martens
(Saw-tooth sunflower)		Helianthus grosseserratus Martens
(Bigtooth sunflower)		Helianthus laetiflorus Pers.
(Prairie sunflower)
Helianthus laetiflorus Pers.
(Showy sunflower)		Helianthus rigidus (Cass.) Desf.
(Prairie sunflower)		Helianthus rigidus (Cass.) Desf.
(Showy sunflower)
Helianthus tuberosus L.
(Jerusalem artichoke)		Hieracium longipilum Torrey
(Hawkweed)		Hypericum punctatum Lam.
(Spotted St. John’s wort)
Hypericum sphaerocarpum Michx.
(Round-fruited St. John’s wort)		Iris shrevei L. Small
(Blue flag)		Iris virginica var. shrevei (Small) E. Anderson
(Blue flag)
Koeleria cristata (L.) Pers. (illegal name)
(June grass)		Koeleria macrantha (Ledeb.) Schultes
(June grass)		Kuhnia eupatorioides L.
(False boneset)
Lactuca canadensis L.
(Wild lettuce)		Lactuca ludoviciana (Nutt.) Riddell
(Prairie lettuce)		Lathyrus palustris L.
(Marsh vetchling)
Liatris punctata Hooker
(Dotted blazing star)		Liatris pycnostachya Michx.
(Prairie blazing star)		Liatris squarrosa (L.) Michx.
(Scaly blazing star)
Lilium philadelphicum L.
(Wood lily)		Linum sulcatum Riddell
(Wild flax)		Linum sulcatum Riddell
(Yellow flax)
Lithospermum canescens (Michx.) Lehm.
(Hoary puccoon)		Lithospermum incisum Lehm.
(Fringed puccoon)		Lithospermum incisum Lehm.
(Narrow-leaved puccoon)
Lycopus americanus Muhl. ex Barton
(Water horehound)		Lycopus americanus Muhl. ex Barton
(Cut-leaved water-horehound)		Lysimachia ciliata L.
(Fringed loosestrife)
Lythrum alatum Pursh
(Winged loosestrife)		Lythrum alatum Pursh
(Wing-angled loosestrife)		Mirabilis hirsuta (Pursh) MacM.
(Hairy four-o’clock)
Mirabilis nyctaginea (Michx.) MacM.
(Wild four-o’clock)		Monarda fistulosa L.
(Wild bergamot)		Monarda fistulosa L.
(Horsemint)
Muhlenbergia cuspidata (Torrey) Rydb.
(Plains muhly)		Muhlenbergia racemosa (Michx.) BSP.
(Marsh muhly)		Oenothera biennis L. var. canescens T. & G.
(Gray evening primrose)
Oenothera laciniata Hill
(Ragged evening primrose)		Oenothera laciniata Hill
(Cut-leaved evening primrose)		Oenothera pilosella Raf.
(Prairie sundrops)
Oenothera pilosella Raf.
(Sundrops)		Oenothera serrulata Nutt.
(Toothed evening primrose)		Oenothera villosa Thunb.
(Gray evening primrose)
Onosmodium molle Michx.
(False gromwell)		Opuntia compressa (Salisb.) J. P. Macbr.
(Eastern prickly pear)		Opuntia humifusa (Raf.) Raf.
(Eastern prickly pear)
Oxalis violacea L.
(Violet wood sorrel)		Oxypolis rigidior (L.) Raf.
(Cowbane)		Panicum implicatum Scribner
(Rosette panic grass)
Panicum leibergii (Vasey) Scribner
(Leiberg’s panic grass)		Panicum scribnerianum Nash
(Scribner’s panic grass)		Panicum virgatum L.
(Switchgrass)
Pediomelum argophyllum (Pursh) Grimes
(Scurf-pea)		Pediomelum argophyllum (Pursh) Grimes
(Silverleaf scurf-pea)		Pediomelum esculentum (Pursh) Rydb.
(Prairie turnip)
Penstemon grandiflorus Nutt.
(Large-flowered beardtongue)		Petalostemon purpureum (Vent.) Rydb.
(Purple prairie clover)		Phalaris arundinacea L.
(Reed canary grass)
Phlox pilosa L.
(Prairie phlox)		Physalis heterophylla Nees
(Ground cherry)		Physalis heterophylla Nees
(Clammy ground-cherry)
Physalis virginiana P. Miller
(Virginia ground cherry)		Plantago patagonica Jacq.
(Plantain)		Plantago purshii R. & S.
(Plantain)
Poa palustris L.
(Fowl meadow grass)		Polygonum pensylvanicum L. var. laevigatum Fern.
(Pennsylvania smartweed)		Prenanthes racemosa Michx.
(Glaucous white lettuce)
Prenanthes racemosa Michx.
(Smooth white lettuce)		Prunella vulgaris L.
(Self heal)		Psoralea argophylla Pursh
(Scurf-pea)
Psoralea argophylla Pursh
(Silverleaf scurf-pea)		Psoralea esculenta Pursh
(Prairie turnip)		Pycnanthemum tenuifolium Schrader
(Slender mountain mint)
Pycnanthemum tenuifolium Schrader
(Narrow-leaved mountain mint)		Pycnanthemum virginianum (L.) Dur. & Jackson
(Common mountain mint)		Pycnanthemum virginianum (L.) Dur. & Jackson
(Virginia mountain mint)
Ranunculus fascicularis Muhl.
(Early buttercup)		Ratibida pinnata (Vent.) Barnh.
(Gray-headed coneflower)		Ratibida pinnata (Vent.) Barnh.
(Yellow coneflower)
Rosa arkansana Porter
(Sunshine rose)		Rosa arkansana Porter
(Prairie rose)		Rosa suffulta Greene
(Sunshine rose)
Rosa suffulta Greene
(Prairie rose)		Rudbeckia hirta L.
(Black-eyed Susan)		Rudbeckia subtomentosa Pursh
(Fragrant coneflower)
Rudbeckia subtomentosa Pursh
(Sweet coneflower)		Silene antirrhina L.
(Sleepy catchfly)		Silphium integrifolium Michx.
(Rosinweed)
Silphium laciniatum L.
(Compass plant)		Sisyrinchium campestre Bickn.
(Blue-eyed grass)		Solidago altissima L.
(Tall goldenrod)
Solidago altissima L.
(Canada goldenrod)		Solidago canadensis L.
(Tall goldenrod)		Solidago canadensis L.
(Canada goldenrod)
Solidago gigantea Aiton
(Smooth goldenrod)		Solidago gigantea Aiton
(Late goldenrod)		Solidago graminifolia (L.) Salisb.
(Lance-leaved goldenrod)
Solidago graminifolia (L.) Salisb.
(Grass-leaved goldenrod)		Solidago missouriensis Nutt.
(Missouri goldenrod)		Solidago nemoralis Aiton
(Field goldenrod)
Solidago nemoralis Aiton
(Gray goldenrod)		Solidago riddellii Frank ex Riddell
(Riddell’s goldenrod)		Solidago riddellii Frank ex Riddell
(Narrow-leaved goldenrod)
Solidago speciosa Nutt.
(Showy goldenrod)		Sorghastrum nutans (L.) Nash
(Indian grass)		Spartina pectinata Link
(Slough grass)
Spartina pectinata Link
(Cord grass)		Sporobolus asper (Michx.) Kunth
(Dropseed)		Sporobolus asper (Michx.) Kunth
(Tall dropseed)
Sporobolus asper (Michx.) Kunth
(Rough dropseed)		Sporobolus heterolepis (Gray) Gray
(Prairie dropseed)		Sporobolus heterolepis (Gray) Gray
(Northern dropseed)
Stipa spartea Trin.
(Porcupine grass)		Stipa viridula Trin.
(Green needlegrass)		Stipa viridula Trin.
(Feather-bunchgrass)
Strophostyles helvula (L.) Ell.
(Wild bean)		Strophostyles helvula (L.) Ell.
(Trailing wild bean)		Strophostyles leiosperma (T. & G.) Piper
(Wild bean)
Teucrium canadense L.
(Germander)		Teucrium canadense L.
(Wood sage)		Verbena stricta Vent.
(Hoary vervain)
Verbena urticifolia L.
(White vervain)		Vernonia baldwinii Torrey
(Baldwin’s ironweed)		Vernonia fasciculata Michx.
(Ironweed)
Vernonia fasciculata Michx.
(Western ironweed)		Vicia americana Muhl. ex Willd.
(Vetch)		Vicia americana Muhl. ex Willd.
(Purple vetch)
Viola papilionacea Pursh
(Common blue violet)		Viola pedata L.
(Bird’s foot violet)		Viola pedatifida G. Don
(Prairie violet)
Viola pratincola Greene
(Common blue violet)
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