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 1,651–1,700 of 3,559 (native).

• 
  Hydrophyllum capitatum Douglas ex Benth. Native HYCA4

  ballhead waterleaf · Hydrophyllaceae 16 counties
• 
  Hydrophyllum capitatum Douglas ex Benth. var. capitatum Native HYCAC

  ballhead waterleaf · Hydrophyllaceae 13 counties
• 
  Hydrophyllum capitatum Douglas ex Benth. var. thompsonii (M. Peck) Constance Native HYCAT

  Thompson's waterleaf · Hydrophyllaceae 3 counties
• 
  Hydrophyllum fendleri (A. Gray) A. Heller Native HYFE

  Fendler's waterleaf · Hydrophyllaceae 18 counties
• 
  Hydrophyllum fendleri (A. Gray) A. Heller var. albifrons (A. Heller) J.F. Macbr. Native HYFEA

  white waterleaf · Hydrophyllaceae 17 counties
• 
  Hydrophyllum fendleri (A. Gray) A. Heller var. fendleri Native HYFEF

  Fendler's waterleaf · Hydrophyllaceae 2 counties
• 
  Hydrophyllum tenuipes A. Heller Native HYTE

  Pacific waterleaf · Hydrophyllaceae 16 counties
• 
  Hymenopappus filifolius Hook. Native HYFI

  fineleaf hymenopappus · Asteraceae 9 counties
• 
  Hymenopappus filifolius Hook. var. filifolius Native HYFIF

  fineleaf hymenopappus · Asteraceae 9 counties
• 
  Hypericum anagalloides Cham. & Schltdl. Native HYAN2

  tinker's penny · Clusiaceae 22 counties
• 
  Hypericum boreale (Britton) E.P. Bicknell Native HYBO2

  northern St. Johnswort · Clusiaceae 2 counties
• 
  Hypericum canadense L. Native HYCA7

  lesser Canadian St. Johnswort · Clusiaceae 2 counties
• 
  Hypericum ellipticum Hook. Native HYEL

  pale St. Johnswort · Clusiaceae 2 counties
• 
  Hypericum majus (A. Gray) Britton Native HYMA2

  large St. Johnswort · Clusiaceae 9 counties
• 
  Hypericum mutilum L. Native HYMU

  dwarf St. Johnswort · Clusiaceae 2 counties
• 
  Hypericum scouleri Hook. Native HYSC5

  Scouler's St. Johnswort · Clusiaceae 25 counties
• 
  Hypericum scouleri Hook. ssp. nortoniae (M.E. Jones) J.M. Gillett Native HYSCN

  Norton's St. Johnswort · Clusiaceae 1 county
• 
  Hypericum scouleri Hook. ssp. scouleri Native HYSCS2

  Scouler's St. Johnswort · Clusiaceae 17 counties
• 
  Hypogymnia canadensis Goward & McCune Native HYCA6

  Pacific tube lichen · Parmeliaceae 1 county
• 
  Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr. Native IDSC

  oldstem idahoa · Brassicaceae 10 counties
• 
  Iliamna longisepala (Torr.) Wiggins Native ILLO2

  longsepal wild hollyhock · Malvaceae 3 counties
• 
  Iliamna rivularis (Douglas ex Hook.) Greene Native ILRI

  streambank wild hollyhock · Malvaceae 16 counties
• 
  Iliamna rivularis (Douglas ex Hook.) Greene var. rivularis Native ILRIR

  streambank wild hollyhock · Malvaceae 16 counties
• 
  Impatiens aurella Rydb. Native IMAU

  paleyellow touch-me-not · Balsaminaceae 11 counties
• 
  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae 10 counties
• 
  Impatiens ecornuta Gerry Moore, Zika & Rushworth Native IMEC2

  spurless touch-me-not · Balsaminaceae 4 counties
• 
  Impatiens noli-tangere L. Native IMNO

  western touch-me-not · Balsaminaceae 9 counties
• 
  Ionactis stenomeres (A. Gray) Greene Native IOST

  Rocky Mountain aster · Asteraceae 2 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant Native IPAG

  scarlet gilia · Polemoniaceae 21 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant ssp. aggregata Native IPAGA3

  scarlet gilia · Polemoniaceae 20 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant ssp. formosissima (Greene) Wherry Native IPAGF

  scarlet gilia · Polemoniaceae 2 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant Native IPCO5

  ballhead ipomopsis · Polemoniaceae 1 county
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. congesta Native IPCOC3

  ballhead ipomopsis · Polemoniaceae 1 county
• 
  Ipomopsis minutiflora (Benth.) V.E. Grant Native IPMI2

  littleflower ipomopsis · Polemoniaceae 12 counties
• 
  Iris missouriensis Nutt. Native IRMI

  Rocky Mountain iris · Iridaceae 17 counties
• 
  Iris tenax Douglas ex Lindl. Native IRTE

  toughleaf iris · Iridaceae 10 counties
• 
  Iris tenax Douglas ex Lindl. ssp. tenax Native IRTET

  toughleaf iris · Iridaceae 10 counties
• 
  Isoetes bolanderi Engelm. Native ISBO

  Bolander's quillwort · Isoetaceae 5 counties
• 
  Isoetes howellii Engelm. Native ISHO

  Howell's quillwort · Isoetaceae 4 counties
• 
  Isoetes minima A.A. Eaton Native ISMI4

  midget quillwort · Isoetaceae 1 county
• 
  Isoetes nuttallii A. Braun ex Engelm. Native ISNU

  Nuttall's quillwort · Isoetaceae 5 counties
• 
  Isoetes occidentalis L.F. Hend. Native ISOC

  western quillwort · Isoetaceae 7 counties
• 
  Isoetes tenella Léman Native ISTE5

  spiny-spore quillwort · Isoetaceae 14 counties
• 
  Isolepis cernua (Vahl) Roem. & Schult. Native ISCE

  low bulrush · Cyperaceae 7 counties
• 
  Iva axillaris Pursh Native IVAX

  povertyweed · Asteraceae 10 counties
• 
  Ivesia gordonii (Hook.) Torr. & A. Gray Native IVGO

  Gordon's ivesia · Rosaceae 5 counties
• 
  Ivesia tweedyi Rydb. Native IVTW

  Tweedy's ivesia · Rosaceae 5 counties
• 
  Jaumea carnosa (Less.) A. Gray Native JACA4

  marsh jaumea · Asteraceae 11 counties
• 
  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae 23 counties
• 
  Juncus alpinoarticulatus Chaix Native JUAL4

  northern green rush · Juncaceae 6 counties