Polk County

Showing 701–750 of 971.

• 
  Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Native PTAQP2

  hairy brackenfern · Dennstaedtiaceae
• 
  Pyrola asarifolia Michx. Native PYAS

  liverleaf wintergreen · Pyrolaceae
• 
  Pyrus communis L. Introduced PYCO

  common pear · Rosaceae
• 
  Quercus garryana Douglas ex Hook. Native QUGA4

  Oregon white oak · Fagaceae
• 
  Quercus garryana Douglas ex Hook. var. garryana Native QUGAG2

  Oregon white oak · Fagaceae
• 
  Ranunculus acris L. Both RAAC3

  tall buttercup · Ranunculaceae
• 
  Ranunculus acris L. var. acris Introduced RAACA3

  showy buttercup · Ranunculaceae
• 
  Ranunculus aquatilis L. Native RAAQ

  white water crowfoot · Ranunculaceae
• 
  Ranunculus arvensis L. Introduced RAAR3

  corn buttercup · Ranunculaceae
• 
  Ranunculus bulbosus L. Introduced RABU

  St. Anthony's turnip · Ranunculaceae
• 
  Ranunculus flammula L. Native RAFL2

  greater creeping spearwort · Ranunculaceae
• 
  Ranunculus macounii Britton Native RAMA2

  Macoun's buttercup · Ranunculaceae
• 
  Ranunculus muricatus L. Introduced RAMU2

  spinyfruit buttercup · Ranunculaceae
• 
  Ranunculus occidentalis Nutt. Native RAOC

  western buttercup · Ranunculaceae
• 
  Ranunculus occidentalis Nutt. var. occidentalis Native RAOCO

  western buttercup · Ranunculaceae
• 
  Ranunculus orthorhynchus Hook. Native RAOR3

  straightbeak buttercup · Ranunculaceae
• 
  Ranunculus orthorhynchus Hook. var. orthorhynchus Native RAORO

  straightbeak buttercup · Ranunculaceae
• 
  Ranunculus parviflorus L. Introduced RAPA3

  smallflower buttercup · Ranunculaceae
• 
  Ranunculus populago Greene Native RAPO

  popular buttercup · Ranunculaceae
• 
  Ranunculus repens L. Introduced RARE3

  creeping buttercup · Ranunculaceae
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae
• 
  Ranunculus sceleratus L. Native RASC3

  cursed buttercup · Ranunculaceae
• 
  Ranunculus sceleratus L. var. multifidus Nutt. Native RASCM

  cursed buttercup · Ranunculaceae
• 
  Ranunculus uncinatus D. Don ex G. Don Native RAUN

  woodland buttercup · Ranunculaceae
• 
  Ranunculus uncinatus D. Don ex G. Don var. parviflorus (Torr.) L.D. Benson Native RAUNP

  Idaho buttercup · Ranunculaceae
• ⚘
  Raphanus sativus L. Introduced RASA2

  cultivated radish · Brassicaceae
• 
  Rhododendron macrophyllum D. Don ex G. Don Native RHMA3

  Pacific rhododendron · Ericaceae
• 
  Ribes bracteosum Douglas ex Hook. Native RIBR

  stink currant · Grossulariaceae
• 
  Ribes divaricatum Douglas Native RIDI

  spreading gooseberry · Grossulariaceae
• 
  Ribes lacustre (Pers.) Poir. Native RILA

  prickly currant · Grossulariaceae
• 
  Ribes sanguineum Pursh Native RISA

  redflower currant · Grossulariaceae
• 
  Ribes sanguineum Pursh var. sanguineum Native RISAS

  redflower currant · Grossulariaceae
• 
  Robinia hispida L. Native ROHI

  bristly locust · Fabaceae
• 
  Robinia hispida L. var. hispida Native ROHIH

  bristly locust · Fabaceae
• 
  Romanzoffia californica Greene Native ROCA6

  California mistmaiden · Hydrophyllaceae
• 
  Rorippa curvisiliqua (Hook.) Besser ex Britton Native ROCU

  curvepod yellowcress · Brassicaceae
• 
  Rosa gymnocarpa Nutt. Native ROGY

  dwarf rose · Rosaceae
• 
  Rosa gymnocarpa Nutt. var. gymnocarpa Native ROGYG

  dwarf rose · Rosaceae
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae
• 
  Rosa nutkana C. Presl Native RONU

  Nootka rose · Rosaceae
• 
  Rosa pisocarpa A. Gray Native ROPI2

  cluster rose · Rosaceae
• 
  Rosa pisocarpa A. Gray ssp. pisocarpa Native ROPIP

  cluster rose · Rosaceae
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae
• 
  Rubus armeniacus Focke Introduced RUAR9

  Himalayan blackberry · Rosaceae
• 
  Rubus bifrons × laciniatus [unnamed hybrid] Introduced RUBI6

  hybrid European blackberry · Rosaceae
• 
  Rubus laciniatus Willd. Introduced RULA

  cutleaf blackberry · Rosaceae
• 
  Rubus lasiococcus A. Gray Native RULA2

  roughfruit berry · Rosaceae
• 
  Rubus leucodermis Douglas ex Torr. & A. Gray Native RULE

  whitebark raspberry · Rosaceae
• 
  Rubus leucodermis Douglas ex Torr. & A. Gray var. leucodermis Native RULEL

  whitebark raspberry · Rosaceae
• 
  Rubus parviflorus Nutt. Native RUPA

  thimbleberry · Rosaceae