Washington

• Adams 53001
  571 taxa Open ↗
• Asotin 53003
  959 taxa Open ↗
• Benton 53005
  796 taxa Open ↗
• Chelan 53007
  1,875 taxa Open ↗
• Clallam 53009
  1,390 taxa Open ↗
• Clark 53011
  658 taxa Open ↗
• Columbia 53013
  1,183 taxa Open ↗
• Cowlitz 53015
  798 taxa Open ↗
• Douglas 53017
  679 taxa Open ↗
• Ferry 53019
  994 taxa Open ↗

Showing 1,101–1,150 of 4,423.

• 
  Clematis columbiana (Nutt.) Torr. & A. Gray Native CLCO2

  rock clematis · Ranunculaceae 11 counties
• 
  Clematis columbiana (Nutt.) Torr. & A. Gray var. columbiana Native CLCOC2

  rock clematis · Ranunculaceae 11 counties
• 
  Clematis hirsutissima Pursh Native CLHI

  hairy clematis · Ranunculaceae 3 counties
• 
  Clematis hirsutissima Pursh var. hirsutissima Native CLHIH

  hairy clematis · Ranunculaceae 3 counties
• 
  Clematis ligusticifolia Nutt. Native CLLI2

  western white clematis · Ranunculaceae 20 counties
• 
  Clematis occidentalis (Hornem.) DC. Native CLOC2

  western blue virginsbower · Ranunculaceae 2 counties
• 
  Clematis occidentalis (Hornem.) DC. var. dissecta (C.L. Hitchc.) J. Pringle Native CLOCD

  western blue virginsbower · Ranunculaceae 2 counties
• 
  Clematis vitalba L. Introduced CLVI6

  evergreen clematis · Ranunculaceae 16 counties
• 
  Cleome lutea Hook. Native CLLU2

  yellow spiderflower · Capparaceae 12 counties
• 
  Cleome lutea Hook. var. lutea Native CLLUL

  yellow spiderflower · Capparaceae 12 counties
• 
  Cleome serrulata Pursh Native CLSE

  Rocky Mountain beeplant · Capparaceae 9 counties
• 
  Clinopodium douglasii (Benth.) Kuntze Native CLDO2

  yerba buena · Lamiaceae 20 counties
• 
  Clinopodium vulgare L. Native CLVU

  wild basil · Lamiaceae 2 counties
• 
  Clintonia uniflora (Menzies ex Schult. & Schult. f.) Kunth Native CLUN2

  bride's bonnet · Liliaceae 26 counties
• 
  Cnicus benedictus L. Introduced CNBE

  blessed thistle · Asteraceae 3 counties
• 
  Cochlearia groenlandica L. Native COGR6

  Danish scurvygrass · Brassicaceae 4 counties
• 
  Coleanthus subtilis (Tratt.) Seidel Native COSU

  mossgrass · Poaceae 1 county
• 
  Collinsia grandiflora Lindl. Native COGR2

  giant blue eyed Mary · Scrophulariaceae 11 counties
• 
  Collinsia parviflora Lindl. Native COPA3

  maiden blue eyed Mary · Scrophulariaceae 34 counties
• 
  Collinsia rattanii A. Gray Native CORA2

  sticky blue eyed Mary · Scrophulariaceae 1 county
• 
  Collinsia rattanii A. Gray ssp. glandulosa (Howell) Pennell Native CORAG

  sticky blue eyed Mary · Scrophulariaceae 1 county
• 
  Collinsia sparsiflora Fisch. & C.A. Mey. Native COSP

  spinster's blue eyed Mary · Scrophulariaceae 3 counties
• 
  Collinsia sparsiflora Fisch. & C.A. Mey. var. bruceae (M.E. Jones) Newsom Native COSPB

  spinster's blue eyed Mary · Scrophulariaceae 3 counties
• 
  Collomia debilis (S. Watson) Greene Native CODE

  alpine collomia · Polemoniaceae 5 counties
• 
  Collomia grandiflora Douglas ex Lindl. Native COGR4

  grand collomia · Polemoniaceae 30 counties
• 
  Collomia heterophylla Douglas ex Hook. Native COHE2

  variableleaf collomia · Polemoniaceae 21 counties
• 
  Collomia larsenii (A. Gray) Payson Native COLA8

  talus collomia · Polemoniaceae 8 counties
• 
  Collomia linearis Nutt. Native COLI2

  tiny trumpet · Polemoniaceae 27 counties
• 
  Collomia macrocalyx Leiberg ex Brand Native COMA3

  bristleflower collomia · Polemoniaceae 2 counties
• 
  Collomia tenella A. Gray Native COTE

  diffuse collomia · Polemoniaceae 6 counties
• 
  Collomia tinctoria Kellogg Native COTI2

  staining collomia · Polemoniaceae 5 counties
• 
  Columbiadoria hallii (A. Gray) G.L. Nesom Native COHA5

  Hall's columbiadoria · Asteraceae 2 counties
• 
  Comandra umbellata (L.) Nutt. Native COUM

  bastard toadflax · Santalaceae 17 counties
• 
  Comandra umbellata (L.) Nutt. ssp. californica (Eastw. ex Rydb.) Piehl Native COUMC

  California bastard toadflax · Santalaceae 12 counties
• 
  Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl Native COUMP

  pale bastard toadflax · Santalaceae 15 counties
• 
  Comarum palustre L. Native COPA28

  purple marshlocks · Rosaceae 20 counties
• 
  Commelina communis L. Introduced COCO3

  Asiatic dayflower · Commelinaceae 1 county
• 
  Conioselinum gmelinii (Cham. & Schltdl.) Steud. Native COGM

  Pacific hemlockparsley · Apiaceae 13 counties
• 
  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae 35 counties
• 
  Conringia orientalis (L.) Dumort. Introduced COOR

  hare's ear mustard · Brassicaceae 7 counties
• 
  Consolida ajacis (L.) Schur Introduced COAJ

  doubtful knight's-spur · Ranunculaceae 5 counties
• 
  Convallaria majalis L. Introduced COMA7

  European lily of the valley · Liliaceae 3 counties
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae 37 counties
• 
  Conyza bonariensis (L.) Cronquist Introduced COBO

  asthmaweed · Asteraceae 1 county
• 
  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae 25 counties
• 
  Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

  Canadian horseweed · Asteraceae 25 counties
• 
  Coptis aspleniifolia Salisb. Native COAS

  fernleaf goldthread · Ranunculaceae 4 counties
• 
  Coptis laciniata A. Gray Native COLA3

  Oregon goldthread · Ranunculaceae 5 counties
• 
  Coptis occidentalis (Nutt.) Torr. & A. Gray Native COOC

  Idaho goldthread · Ranunculaceae 2 counties
• 
  Corallorhiza maculata (Raf.) Raf. Native COMA25

  summer coralroot · Orchidaceae 30 counties