Polk County

Showing 751–800 of 971.

• 
  Rubus parviflorus Nutt. var. parviflorus Native RUPAP2

  thimbleberry · Rosaceae
• 
  Rubus pedatus Sm. Native RUPE

  strawberryleaf raspberry · Rosaceae
• 
  Rubus spectabilis Pursh Native RUSP

  salmonberry · Rosaceae
• 
  Rubus ulmifolius Schott Introduced RUUL

  elmleaf blackberry · Rosaceae
• 
  Rubus ulmifolius Schott var. anoplothyrsus Sudre Introduced RUULA

  unarmed elmleaf blackberry · Rosaceae
• 
  Rubus ursinus Cham. & Schltdl. Native RUUR

  California blackberry · Rosaceae
• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae
• 
  Rumex aquaticus L. Native RUAQ

  western dock · Polygonaceae
• 
  Rumex aquaticus L. var. fenestratus (Greene) Dorn Native RUAQF

  western dock · Polygonaceae
• 
  Rumex conglomeratus Murray Introduced RUCO2

  clustered dock · Polygonaceae
• 
  Rumex crispus L. Introduced RUCR

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

  curly dock · Polygonaceae
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae
• 
  Rumex salicifolius Weinm. Native RUSA

  willow dock · Polygonaceae
• 
  Rupertia physodes (Douglas ex Hook.) J. Grimes Native RUPH3

  forest scurfpea · Fabaceae
• 
  Sagina decumbens (Elliott) Torr. & A. Gray Native SADE

  trailing pearlwort · Caryophyllaceae
• 
  Sagina decumbens (Elliott) Torr. & A. Gray ssp. occidentalis (S. Watson) Crow Native SADEO

  western pearlwort · Caryophyllaceae
• 
  Salix hookeriana Barratt ex Hook. Native SAHO

  dune willow · Salicaceae
• 
  Salix lucida Muhl. Native SALU

  shining willow · Salicaceae
• 
  Salix lucida Muhl. ssp. lasiandra (Benth.) A.E. Murray Native SALUL

  Pacific willow · Salicaceae
• 
  Salix melanopsis Nutt. Native SAME2

  dusky willow · Salicaceae
• 
  Salix prolixa Andersson Native SAPR3

  MacKenzie's willow · Salicaceae
• 
  Salix scouleriana Barratt ex Hook. Native SASC

  Scouler's willow · Salicaceae
• 
  Salix sessilifolia Nutt. Native SASE3

  northwest sandbar willow · Salicaceae
• 
  Salix sitchensis Sanson ex Bong. Native SASI2

  Sitka willow · Salicaceae
• 
  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae
• 
  Sambucus nigra L. ssp. cerulea (Raf.) R. Bolli Native SANIC5

  blue elderberry · Caprifoliaceae
• 
  Sambucus racemosa L. Native SARA2

  red elderberry · Caprifoliaceae
• 
  Sambucus racemosa L. var. racemosa Native SARAR3

  red elderberry · Caprifoliaceae
• 
  Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. Gray Native SAAN2

  prairie burnet · Rosaceae
• 
  Sanguisorba officinalis L. Native SAOF3

  great burnet · Rosaceae
• 
  Sanicula bipinnatifida Douglas ex Hook. Native SABI3

  purple sanicle · Apiaceae
• 
  Sanicula crassicaulis Poepp. ex DC. Native SACR2

  Pacific blacksnakeroot · Apiaceae
• 
  Sanicula crassicaulis Poepp. ex DC. var. crassicaulis Native SACRC

  Pacific blacksnakeroot · Apiaceae
• 
  Saxifraga gormanii Suksd. Native SAGO2

  Gorman's saxifrage · Saxifragaceae
• 
  Saxifraga integrifolia Hook. Native SAIN4

  wholeleaf saxifrage · Saxifragaceae
• 
  Saxifraga marshallii Greene Native SAMA5

  Marshall's saxifrage · Saxifragaceae
• 
  Saxifraga mertensiana Bong. Native SAME7

  wood saxifrage · Saxifragaceae
• 
  Saxifraga nuttallii Small Native SANU3

  Nuttall's saxifrage · Saxifragaceae
• 
  Saxifraga oregana Howell Native SAOR2

  Oregon saxifrage · Saxifragaceae
• 
  Saxifraga rufidula (Small) Macoun Native SARU7

  rustyhair saxifrage · Saxifragaceae
• 
  Scandix pecten-veneris L. Introduced SCPE

  shepherdsneedle · Apiaceae
• 
  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae
• 
  Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4

  meadow fescue · Poaceae
• 
  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae
• 
  Scirpus microcarpus J. Presl & C. Presl Native SCMI2

  panicled bulrush · Cyperaceae
• 
  Scleranthus annuus L. Introduced SCAN2

  German knotgrass · Caryophyllaceae
• 
  Scoliopus hallii S. Watson Native SCHA2

  Oregon fetid adderstongue · Liliaceae
• 
  Scrophularia lanceolata Pursh Native SCLA

  lanceleaf figwort · Scrophulariaceae
• 
  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae