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 1,001–1,050 of 4,423.

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  Chamaesyce serpyllifolia (Pers.) Small ssp. serpyllifolia Native CHSES

  thymeleaf sandmat · Euphorbiaceae 14 counties
• 
  Chamerion angustifolium (L.) Holub Native CHAN9

  fireweed · Onagraceae 29 counties
• 
  Chamerion angustifolium (L.) Holub ssp. angustifolium Native CHANA2

  fireweed · Onagraceae 28 counties
• 
  Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

  fireweed · Onagraceae 2 counties
• 
  Chamerion latifolium (L.) Holub Native CHLA13

  dwarf fireweed · Onagraceae 10 counties
• 
  Cheilanthes feei T. Moore Native CHFE

  slender lipfern · Pteridaceae 2 counties
• 
  Cheilanthes gracillima D.C. Eaton Native CHGR

  lace lipfern · Pteridaceae 20 counties
• 
  Chelidonium majus L. Introduced CHMA2

  celandine · Papaveraceae 3 counties
• 
  Chelidonium majus L. var. majus Introduced CHMAM

  celandine · Papaveraceae 3 counties
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 30 counties
• 
  Chenopodium album L. var. striatum Krašan Native CHALS2

  lateflowering goosefoot · Chenopodiaceae 2 counties
• 
  Chenopodium berlandieri Moq. Native CHBE4

  pitseed goosefoot · Chenopodiaceae 10 counties
• 
  Chenopodium berlandieri Moq. var. zschackii (Murr) Murr ex Asch. Native CHBEZ

  Zschack's goosefoot · Chenopodiaceae 10 counties
• 
  Chenopodium capitatum (L.) Asch. Native CHCA4

  blite goosefoot · Chenopodiaceae 3 counties
• 
  Chenopodium chenopodioides (L.) Aellen Native CHCH

  low goosefoot · Chenopodiaceae 5 counties
• 
  Chenopodium foliosum (Moench) Asch. Introduced CHFO2

  leafy goosefoot · Chenopodiaceae 4 counties
• 
  Chenopodium fremontii S. Watson Native CHFR3

  Fremont's goosefoot · Chenopodiaceae 1 county
• 
  Chenopodium fremontii S. Watson var. fremontii Native CHFRF

  Fremont's goosefoot · Chenopodiaceae 1 county
• ⚘
  Chenopodium humile Hook. Introduced CHHU

  marshland goosefoot · Chenopodiaceae 6 counties
• 
  Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson Native CHLE4

  narrowleaf goosefoot · Chenopodiaceae 9 counties
• 
  Chenopodium murale L. Introduced CHMU2

  nettleleaf goosefoot · Chenopodiaceae 7 counties
• 
  Chenopodium pratericola Rydb. Native CHPR5

  desert goosefoot · Chenopodiaceae 12 counties
• 
  Chenopodium rubrum L. Native CHRU

  red goosefoot · Chenopodiaceae 13 counties
• 
  Chenopodium salinum Standl. Native CHSA2

  Rocky Mountain goosefoot · Chenopodiaceae 2 counties
• 
  Chenopodium simplex (Torr.) Raf. Native CHSI2

  mapleleaf goosefoot · Chenopodiaceae 12 counties
• 
  Chenopodium subglabrum (S. Watson) A. Nelson Native CHSU2

  smooth goosefoot · Chenopodiaceae 3 counties
• 
  Chimaphila menziesii (R. Br. ex D. Don) Spreng. Native CHME

  little prince's pine · Pyrolaceae 22 counties
• 
  Chimaphila umbellata (L.) W.P.C. Barton Native CHUM

  pipsissewa · Pyrolaceae 28 counties
• 
  Chimaphila umbellata (L.) W.P.C. Barton ssp. occidentalis (Rydb.) Hultén Native CHUMO2

  pipsissewa · Pyrolaceae 28 counties
• 
  Chondrilla juncea L. Introduced CHJU

  rush skeletonweed · Asteraceae 24 counties
• 
  Chorispora tenella (Pall.) DC. Introduced CHTE2

  crossflower · Brassicaceae 15 counties
• 
  Chorizanthe watsonii Torr. & A. Gray Native CHWA2

  fivetooth spineflower · Polygonaceae 4 counties
• 
  Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist Native CHCH7

  giant chinquapin · Fagaceae 2 counties
• 
  Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmqvist var. chrysophylla Native CHCHC4

  giant chinquapin · Fagaceae 2 counties
• 
  Chrysosplenium glechomifolium Nutt. Native CHGL5

  Pacific golden saxifrage · Saxifragaceae 8 counties
• 
  Chrysosplenium tetrandrum (Lund ex Malmgr.) Th. Fr. Native CHTE3

  northern golden saxifrage · Saxifragaceae 1 county
• 
  Chrysothamnus humilis Greene Native CHHU2

  Truckee rabbitbrush · Asteraceae 2 counties
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. Native CHVI8

  yellow rabbitbrush · Asteraceae 18 counties
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. lanceolatus (Nutt.) H.M. Hall & Clem. Native CHVIL4

  yellow rabbitbrush · Asteraceae 13 counties
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. puberulus (D.C. Eaton) H.M. Hall & Clem. Native CHVIP4

  yellow rabbitbrush · Asteraceae 1 county
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus Native CHVIV2

  yellow rabbitbrush · Asteraceae 15 counties
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus var. viscidiflorus Native CHVIV4

  yellow rabbitbrush · Asteraceae 15 counties
• 
  Cichorium endivia L. Introduced CIEN

  cultivated endive · Asteraceae 1 county
• 
  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae 24 counties
• 
  Cicuta bulbifera L. Native CIBU

  bulblet-bearing water hemlock · Apiaceae 5 counties
• 
  Cicuta douglasii (DC.) J.M. Coult. & Rose Native CIDO

  western water hemlock · Apiaceae 28 counties
• 
  Cicuta maculata L. Native CIMA2

  spotted water hemlock · Apiaceae 2 counties
• 
  Cicuta maculata L. var. angustifolia Hook. Native CIMAA

  spotted water hemlock · Apiaceae 2 counties
• 
  Cinna latifolia (Trevis. ex Goepp.) Griseb. Native CILA2

  drooping woodreed · Poaceae 21 counties
• 
  Circaea alpina L. Native CIAL

  small enchanter's nightshade · Onagraceae 33 counties