O'Brien County

Showing 251–300 of 372.

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  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae
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  Polygala verticillata L. var. isocycla Fernald Native POVEI

  whorled milkwort · Polygalaceae
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  Polygonatum biflorum (Walter) Elliott Native POBI2

  smooth Solomon's seal · Liliaceae
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  Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBIC

  smooth Solomon's seal · Liliaceae
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  Polygonum achoreum S.F. Blake Native POAC3

  leathery knotweed · Polygonaceae
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  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae
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  Polygonum convolvulus L. Introduced POCO10

  black bindweed · Polygonaceae
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  Polygonum convolvulus L. var. convolvulus Introduced POCOC2

  black bindweed · Polygonaceae
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  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
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  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae
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  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae
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  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae
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  Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder Native PODEM

  plains cottonwood · Salicaceae
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  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae
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  Potentilla arguta Pursh Native POAR7

  tall cinquefoil · Rosaceae
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  Potentilla arguta Pursh ssp. arguta Native POARA4

  tall cinquefoil · Rosaceae
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  Potentilla norvegica L. Native PONO3

  Norwegian cinquefoil · Rosaceae
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  Potentilla norvegica L. ssp. monspeliensis (L.) Asch. & Graebn. Native PONOM

  Norwegian cinquefoil · Rosaceae
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  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae
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  Prunus americana Marshall Native PRAM

  American plum · Rosaceae
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  Prunus virginiana L. Native PRVI

  chokecherry · Rosaceae
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  Prunus virginiana L. var. demissa (Nutt.) Torr. Native PRVID

  western chokecherry · Rosaceae
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  Pulsatilla patens (L.) Mill. Native PUPA5

  eastern pasqueflower · Ranunculaceae
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  Pulsatilla patens (L.) Mill. ssp. multifida (Pritz.) Zamels Native PUPAM

  cutleaf anemone · Ranunculaceae
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  Pycnanthemum virginianum (L.) T. Dur. & B.D. Jacks. ex B.L. Rob. & Fernald Native PYVI

  Virginia mountainmint · Lamiaceae
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  Quercus macrocarpa Michx. Native QUMA2

  bur oak · Fagaceae
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  Quercus macrocarpa Michx. var. macrocarpa Native QUMAM

  bur oak · Fagaceae
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  Ranunculus abortivus L. Native RAAB

  littleleaf buttercup · Ranunculaceae
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  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae
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  Ribes missouriense Nutt. Native RIMI

  Missouri gooseberry · Grossulariaceae
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  Rorippa palustris (L.) Besser Native ROPA2

  bog yellowcress · Brassicaceae
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  Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell Native ROPAF2

  Fernald's yellowcress · Brassicaceae
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  Rorippa palustris (L.) Besser ssp. hispida (Desv.) Jonsell Native ROPAH

  hispid yellowcress · Brassicaceae
• 
  Rosa arkansana Porter Native ROAR3

  prairie rose · Rosaceae
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  Rosa arkansana Porter var. suffulta (Greene) Cockerell Native ROARS

  prairie rose · Rosaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae
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  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae
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  Salix amygdaloides Andersson Native SAAM2

  peachleaf willow · Salicaceae
• ⚘
  Salix fragilis L. Introduced SAFR

  crack willow · Salicaceae
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  Salix interior Rowlee Native SAIN3

  sandbar willow · Salicaceae
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  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae
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  Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

  American black elderberry · Caprifoliaceae
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  Sanguinaria canadensis L. Native SACA13

  bloodroot · Papaveraceae
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  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAOD

  clustered blacksnakeroot · Apiaceae
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  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
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  Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

  little bluestem · Poaceae
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  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae
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  Scutellaria galericulata L. Native SCGA

  marsh skullcap · Lamiaceae
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  Scutellaria parvula Michx. Native SCPA7

  small skullcap · Lamiaceae