Oregon

• Baker 41001
  1,572 taxa Open ↗
• Benton 41003
  1,855 taxa Open ↗
• Clackamas 41005
  1,485 taxa Open ↗
• Clatsop 41007
  979 taxa Open ↗
• Columbia 41009
  1,183 taxa Open ↗
• Coos 41011
  1,238 taxa Open ↗
• Crook 41013
  1,354 taxa Open ↗
• Curry 41015
  1,738 taxa Open ↗
• Deschutes 41017
  1,482 taxa Open ↗
• Douglas 41019
  2,250 taxa Open ↗

Showing 2,601–2,650 of 5,518.

• 
  Hymenoxys lemmonii (Greene) Cockerell Native HYLE

  Lemmon's rubberweed · Asteraceae 2 counties
• 
  Hyoscyamus niger L. Introduced HYNI

  black henbane · Solanaceae 10 counties
• 
  Hypericum anagalloides Cham. & Schltdl. Native HYAN2

  tinker's penny · Clusiaceae 30 counties
• 
  Hypericum androsaemum L. Introduced HYAN8

  sweet-amber · Clusiaceae 3 counties
• 
  Hypericum boreale (Britton) E.P. Bicknell Native HYBO2

  northern St. Johnswort · Clusiaceae 3 counties
• 
  Hypericum calycinum L. Introduced HYCA10

  Aaron's beard · Clusiaceae 1 county
• 
  Hypericum canadense L. Native HYCA7

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

  large St. Johnswort · Clusiaceae 3 counties
• 
  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae 33 counties
• 
  Hypericum scouleri Hook. Native HYSC5

  Scouler's St. Johnswort · Clusiaceae 28 counties
• 
  Hypericum scouleri Hook. ssp. nortoniae (M.E. Jones) J.M. Gillett Native HYSCN

  Norton's St. Johnswort · Clusiaceae 7 counties
• 
  Hypericum scouleri Hook. ssp. scouleri Native HYSCS2

  Scouler's St. Johnswort · Clusiaceae 24 counties
• ⚘
  Hypericum ×moserianum Luquet ex André [calycinum × patulum] Native HYMO2

  St. Johnswort · Clusiaceae 1 county
• 
  Hypochaeris glabra L. Introduced HYGL2

  smooth cat's ear · Asteraceae 10 counties
• 
  Hypochaeris radicata L. Introduced HYRA3

  hairy cat's ear · Asteraceae 21 counties
• 
  Hypogymnia canadensis Goward & McCune Native HYCA6

  Pacific tube lichen · Parmeliaceae 2 counties
• 
  Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr. Native IDSC

  oldstem idahoa · Brassicaceae 17 counties
• 
  Ilex aquifolium L. Introduced ILAQ80

  English holly · Aquifoliaceae 18 counties
• 
  Iliamna bakeri (Jeps.) Wiggins Native ILBA

  Baker's wild hollyhock · Malvaceae 3 counties
• 
  Iliamna latibracteata Wiggins Native ILLA2

  California wild hollyhock · Malvaceae 6 counties
• 
  Iliamna rivularis (Douglas ex Hook.) Greene Native ILRI

  streambank wild hollyhock · Malvaceae 18 counties
• 
  Iliamna rivularis (Douglas ex Hook.) Greene var. rivularis Native ILRIR

  streambank wild hollyhock · Malvaceae 18 counties
• 
  Impatiens aurella Rydb. Native IMAU

  paleyellow touch-me-not · Balsaminaceae 1 county
• 
  Impatiens balfourii Hook. f. Introduced IMBA2

  Balfour's touch-me-not · Balsaminaceae 2 counties
• 
  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae 6 counties
• 
  Impatiens ecornuta Gerry Moore, Zika & Rushworth Native IMEC2

  spurless touch-me-not · Balsaminaceae 3 counties
• 
  Impatiens glandulifera Royle Introduced IMGL

  ornamental jewelweed · Balsaminaceae 6 counties
• 
  Inula helenium L. Introduced INHE

  elecampane inula · Asteraceae 10 counties
• 
  Ionactis alpina (Nutt.) Greene Native IOAL

  Lava aster · Asteraceae 3 counties
• 
  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae 2 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant Native IPAG

  scarlet gilia · Polemoniaceae 24 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant ssp. aggregata Native IPAGA3

  scarlet gilia · Polemoniaceae 2 counties
• 
  Ipomopsis aggregata (Pursh) V.E. Grant ssp. formosissima (Greene) Wherry Native IPAGF

  scarlet gilia · Polemoniaceae 23 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant Native IPCO5

  ballhead ipomopsis · Polemoniaceae 12 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. congesta Native IPCOC3

  ballhead ipomopsis · Polemoniaceae 3 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. montana (A. Nelson & Kennedy) V.E. Grant Native IPCOM

  ballhead ipomopsis · Polemoniaceae 5 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. palmifrons (Brand) Day Native IPCOP

  ballhead ipomopsis · Polemoniaceae 5 counties
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. viridis (Cronquist) Day Native IPCOV

  ballhead ipomopsis · Polemoniaceae 2 counties
• 
  Ipomopsis minutiflora (Benth.) V.E. Grant Native IPMI2

  littleflower ipomopsis · Polemoniaceae 5 counties
• 
  Ipomopsis tenuituba (Rydb.) V.E. Grant Native IPTE4

  slendertube skyrocket · Polemoniaceae 1 county
• 
  Ipomopsis tenuituba (Rydb.) V.E. Grant ssp. tenuituba Native IPTET2

  slendertube skyrocket · Polemoniaceae 1 county
• 
  Iris bracteata S. Watson Native IRBR

  Siskiyou iris · Iridaceae 3 counties
• 
  Iris chrysophylla Howell Native IRCH

  yellowleaf iris · Iridaceae 12 counties
• 
  Iris douglasiana Herb. Native IRDO

  Douglas iris · Iridaceae 5 counties
• ⚘
  Iris germanica L. Introduced IRGE

  German iris · Iridaceae 2 counties
• 
  Iris innominata L.F. Hend. Native IRIN

  Del Norte County iris · Iridaceae 4 counties
• 
  Iris missouriensis Nutt. Native IRMI

  Rocky Mountain iris · Iridaceae 21 counties
• 
  Iris pseudacorus L. Introduced IRPS

  paleyellow iris · Iridaceae 10 counties
• 
  Iris tenax Douglas ex Lindl. Native IRTE

  toughleaf iris · Iridaceae 18 counties
• 
  Iris tenax Douglas ex Lindl. ssp. tenax Native IRTET

  toughleaf iris · Iridaceae 18 counties