Washington County

Showing 401–450 of 533.

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  Ranunculus abortivus L. Native RAAB

  littleleaf buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. var. caricetorum (Greene) T. Duncan Native RAHIC

  bristly buttercup · Ranunculaceae
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  Ranunculus sceleratus L. Native RASC3

  cursed buttercup · Ranunculaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae
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  Rhamnus lanceolata Pursh Native RHLA

  lanceleaf buckthorn · Rhamnaceae
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  Rhamnus lanceolata Pursh ssp. glabrata (Gleason) Kartesz & Gandhi Native RHLAG2

  lanceleaf buckthorn · Rhamnaceae
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  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae
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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 sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae
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  Rosa arkansana Porter Native ROAR3

  prairie rose · Rosaceae
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  Rosa blanda Aiton Native ROBL

  smooth rose · Rosaceae
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  Rosa blanda Aiton var. blanda Native ROBLB

  smooth rose · Rosaceae
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  Rubus occidentalis L. Native RUOC

  black raspberry · Rosaceae
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  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae
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  Rudbeckia hirta L. var. pulcherrima Farw. Native RUHIP

  blackeyed Susan · Asteraceae
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  Rudbeckia laciniata L. Native RULA3

  cutleaf coneflower · Asteraceae
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  Rudbeckia laciniata L. var. laciniata Native RULAL

  cutleaf coneflower · Asteraceae
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  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae
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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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  Rumex verticillatus L. Native RUVE3

  swamp dock · Polygonaceae
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  Sagittaria cuneata Sheldon Native SACU

  arumleaf arrowhead · Alismataceae
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  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae
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  Salix amygdaloides Andersson Native SAAM2

  peachleaf willow · Salicaceae
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  Salix interior Rowlee Native SAIN3

  sandbar willow · Salicaceae
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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
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  Salvia reflexa Hornem. Native SARE3

  lanceleaf sage · Lamiaceae
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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 canadensis L. Native SACA15

  Canadian blacksnakeroot · Apiaceae
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  Sanicula canadensis L. var. canadensis Native SACAC2

  Canadian blacksnakeroot · Apiaceae
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  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAOD

  clustered blacksnakeroot · Apiaceae
• 
  Saponaria officinalis L. Introduced SAOF4

  bouncingbet · Caryophyllaceae
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  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae
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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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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae
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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACA

  hardstem bulrush · Cyperaceae
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  Scrophularia marilandica L. Native SCMA2

  carpenter's square · Scrophulariaceae
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  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae
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  Scutellaria lateriflora L. var. lateriflora Native SCLAL2

  blue skullcap · Lamiaceae
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  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae
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  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae
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  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae
• 
  Sicyos angulatus L. Native SIAN

  oneseed bur cucumber · Cucurbitaceae