Prairie plants found in O'Brien county:
Agropyron smithii Rydb.
(Western wheatgrass)		Agropyron trachycaulum (Link) Make
(Slender wheatgrass)		Allium stellatum Nutt. ex Ker-Gawl.
(Wild prairie onion)
Amorpha canescens Pursh
(Lead plant)		Andropogon gerardii Vitman
(Big bluestem)		Andropogon scoparius Michx.
(Little bluestem)
Anemone canadensis L.
(Canada anemone)		Anemone cylindrica Gray
(Windflower)		Anemone cylindrica Gray
(Thimbleweed)
Anemone patens L.
(Pasque flower)		Antennaria neglecta Greene
(Pussytoes)		Antennaria neglecta Greene
(Field pussytoes)
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 incarnata L.
(Swamp milkweed)
Asclepias sullivantii Engelm. ex Gray
(Prairie milkweed)		Asclepias sullivantii Engelm. ex Gray
(Sullivant’s milkweed)		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 lanceolatus Willd.
(Panicled aster)
Aster novae-angliae L.
(New England aster)		Aster sericeus Vent.
(Silky aster)		Aster simplex Willd.
(Panicled aster)
Astragalus agrestis Douglas ex D. Don
(Milk vetch)		Astragalus canadensis L.
(Milk vetch)		Astragalus crassicarpus Nutt.
(Ground plum)
Bouteloua curtipendula (Michx.) Torrey
(Side-oats grama)		Bouteloua gracilis (Willd. ex HBK.) Lag. ex Steudel
(Blue 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)		Cardamine bulbosa (Schreber) BSP.
(Spring cress)		Carex bicknellii Britton
(Sedge)
Carex brevior (Dewey) Mack, ex Lunell
(Sedge)		Carex gravida Bailey
(Sedge)		Cassia fasciculata Michx.
(Partridge pea)
Ceanothus herbaceus Raf.
(Redroot)		Ceanothus ovatus Desf. (misapplied)
(Redroot)		Chamaecrista fasciculata (Michx.) Greene
(Partridge pea)
Cirsium discolor (Muhl. ex Willd.) Sprengel
(Field thistle)		Cirsium flodmanii (Rydb.) Arthur
(Flodman’s thistle)		Coreopsis palmata Nutt.
(Tickseed)
Coreopsis palmata Nutt.
(Stiff tickseed)		Dalea candida Willd.
(White prairie clover)		Dalea purpurea Vent.
(Purple prairie clover)
Delphinium virescens Nutt.
(Prairie larkspur)		Desmodium canadense (L.) DC.
(Showy tick trefoil)		Desmodium canadense (L.) DC.
(Tick clover)
Dichanthelium leibergii (Vasey) Freckman
(Leiberg’s panic grass)		Echinacea angustifolia
(Pale coneflower)		Elymus canadensis L.
(Canada wild rye)
Equisetum arvense L.
(Common horsetail)		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 glyptosperma Engelm.
(Spurge)		Euphorbia marginata Pursh
(Snow-on-the-mountain)		Fragaria virginiana Duchesne
(Wild strawberry)
Galium boreale L.
(Northern bedstraw)		Gentiana andrewsii Griseb.
(Bottle gentian)		Gentiana puberula Michx.
(Downy gentian)
Gentiana puberulenta J. Pringle
(Downy gentian)		Glycyrrhiza lepidota Pursh
(Wild licorice)		Glycyrrhiza lepidota Pursh
(Licorice-root)
Haplopappus spinulosus (Pursh) DC.
(Cut-leaved goldenrod)		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 maximiliani Schrader
(Maximillian’s sunflower)		Helianthus rigidus (Cass.) Desf.
(Prairie sunflower)		Helianthus rigidus (Cass.) Desf.
(Showy sunflower)
Helianthus tuberosus L.
(Jerusalem artichoke)		Heliopsis helianthoides (L.) Sweet
(Ox-eye)		Heuchera richardsonii R. Br.
(Alumroot)
Hypoxis hirsuta (L.) Cov.
(Yellow stargrass)		Hypoxis hirsuta (L.) Cov.
(Star-grass)		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)		Lactuca pulchella (Pursh) DC.
(Blue lettuce)		Lactuca tatarica (L.) C. A. Meyer
(Blue lettuce)
Lathyrus venosus Muhl. ex Willd.
(Veiny pea)		Lathyrus venosus Muhl. ex Willd.
(Wild pea)		Lespedeza capitata Michx.
(Round-headed bush clover)
Liatris aspera Michx.
(Rough blazing star)		Liatris punctata Hooker
(Dotted blazing star)		Liatris pycnostachya Michx.
(Prairie blazing star)
Liatris squarrosa (L.) Michx.
(Scaly blazing star)		Lilium michiganense Farw.
(Michigan lily)		Lilium michiganense Farw.
(Turks-cap 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)		Lobelia siphilitica L.
(Great lobelia)
Lobelia siphilitica L.
(Giant lobelia)		Lysimachia ciliata L.
(Fringed loosestrife)		Machaeranthera spinulosa Greene
(Cut-leaved goldenrod)
Mirabilis hirsuta (Pursh) MacM.
(Hairy four-o’clock)		Mirabilis nyctaginea (Michx.) MacM.
(Wild four-o’clock)		Muhlenbergia racemosa (Michx.) BSP.
(Marsh muhly)
Oenothera biennis L. var. canescens T. & G.
(Gray evening primrose)		Oenothera serrulata Nutt.
(Toothed evening primrose)		Oenothera villosa Thunb.
(Gray evening primrose)
Onosmodium molle Michx.
(False gromwell)		Oxalis violacea L.
(Violet wood sorrel)		Panicum leibergii (Vasey) Scribner
(Leiberg’s panic grass)
Panicum virgatum L.
(Switchgrass)		Pedicularis canadensis L.
(Lousewort)		Pediomelum argophyllum (Pursh) Grimes
(Scurf-pea)
Pediomelum argophyllum (Pursh) Grimes
(Silverleaf scurf-pea)		Penstemon grandiflorus Nutt.
(Large-flowered beardtongue)		Petalostemon candidum (Willd.) Michx.
(White prairie clover)
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)		Polygala verticillata L.
(Whorled milkwort)
Polygonum pensylvanicum L. var. laevigatum Fern.
(Pennsylvania smartweed)		Potentilla arguta Pursh
(Tall cinquefoil)		Prenanthes racemosa Michx.
(Glaucous white lettuce)
Prenanthes racemosa Michx.
(Smooth white lettuce)		Psoralea argophylla Pursh
(Scurf-pea)		Psoralea argophylla Pursh
(Silverleaf scurf-pea)
Pulsatilla patens (L.) P. Miller
(Pasque flower)		Pycnanthemum virginianum (L.) Dur. & Jackson
(Common mountain mint)		Pycnanthemum virginianum (L.) Dur. & Jackson
(Virginia mountain mint)
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)
Schizachyrium scoparium (Michx.) Nash
(Little bluestem)		Scutellaria parvula Michx.
(Skullcap)		Scutellaria parvula Michx.
(Smaller skullcap)
Senecio plattensis Nutt.
(Prairie ragwort)		Silene antirrhina L.
(Sleepy catchfly)		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 nemoralis Aiton
(Field goldenrod)
Solidago nemoralis Aiton
(Gray goldenrod)		Solidago speciosa Nutt.
(Showy goldenrod)		Sorghastrum nutans (L.) Nash
(Indian grass)
Spartina pectinata Link
(Slough grass)		Spartina pectinata Link
(Cord grass)		Sporobolus heterolepis (Gray) Gray
(Prairie dropseed)
Sporobolus heterolepis (Gray) Gray
(Northern dropseed)		Stipa spartea Trin.
(Porcupine grass)		Tradescantia bracteata Small
(Spiderwort)
Verbena hastata L.
(Blue vervain)		Verbena stricta Vent.
(Hoary vervain)		Veronicastrum virginicum (L.) Farw.
(Culver’s root)
Vicia americana Muhl. ex Willd.
(Vetch)		Vicia americana Muhl. ex Willd.
(Purple vetch)		Zizia aurea (L.) W. Koch.
(Golden alexanders)
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