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 2,201–2,250 of 4,583 (native).

• 
  Iris tenuis S. Watson Native IRTE2

  Clackamas iris · Iridaceae 4 counties
• ⚘
  Iris thompsonii R.C. Foster Native IRTH

  Thompson's iris · Iridaceae 1 county
• 
  Isoetes bolanderi Engelm. Native ISBO

  Bolander's quillwort · Isoetaceae 11 counties
• 
  Isoetes howellii Engelm. Native ISHO

  Howell's quillwort · Isoetaceae 11 counties
• 
  Isoetes nuttallii A. Braun ex Engelm. Native ISNU

  Nuttall's quillwort · Isoetaceae 11 counties
• 
  Isoetes occidentalis L.F. Hend. Native ISOC

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

  spiny-spore quillwort · Isoetaceae 7 counties
• 
  Isolepis cernua (Vahl) Roem. & Schult. Native ISCE

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

  povertyweed · Asteraceae 19 counties
• 
  Ivesia baileyi S. Watson Native IVBA

  Bailey's ivesia · Rosaceae 2 counties
• 
  Ivesia baileyi S. Watson var. beneolens (A. Nelson & J.F. Macbr.) Ertter Native IVBAB2

  Bailey's ivesia · Rosaceae 2 counties
• 
  Ivesia gordonii (Hook.) Torr. & A. Gray Native IVGO

  Gordon's ivesia · Rosaceae 7 counties
• 
  Ivesia rhypara Ertter & Reveal Native IVRH

  grimy mousetail · Rosaceae 8 counties
• 
  Ivesia rhypara Ertter & Reveal var. rhypara Native IVRHR

  grimy mousetail · Rosaceae 2 counties
• 
  Ivesia rhypara Ertter & Reveal var. shellyi Ertter Native IVRHS

  Shelly's mousetail · Rosaceae 2 counties
• 
  Ivesia shockleyi S. Watson Native IVSH

  sky mousetail · Rosaceae 1 county
• 
  Ivesia shockleyi S. Watson var. shockleyi Native IVSHS

  sky mousetail · Rosaceae 1 county
• 
  Jaumea carnosa (Less.) A. Gray Native JACA4

  marsh jaumea · Asteraceae 5 counties
• 
  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae 18 counties
• ⚘
  Juncus albescens (Lange) Fernald Native JUAL2

  northern white rush · Juncaceae 1 county
• 
  Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

  mountain rush · Juncaceae 28 counties
• 
  Juncus articulatus L. Native JUAR4

  jointleaf rush · Juncaceae 14 counties
• 
  Juncus bolanderi Engelm. Native JUBO

  Bolander's rush · Juncaceae 12 counties
• 
  Juncus brevicaudatus (Engelm.) Fernald Native JUBR4

  narrowpanicle rush · Juncaceae 3 counties
• 
  Juncus breweri Engelm. Native JUBR10

  Brewer's rush · Juncaceae 7 counties
• 
  Juncus bryoides F.J. Herm. Native JUBR5

  moss rush · Juncaceae 1 county
• 
  Juncus bufonius L. Native JUBU

  toad rush · Juncaceae 29 counties
• 
  Juncus canadensis J. Gay ex Laharpe Native JUCA3

  Canadian rush · Juncaceae 3 counties
• 
  Juncus capillaris F.J. Herm. Native JUCA4

  hairystem dwarf rush · Juncaceae 1 county
• 
  Juncus confusus Coville Native JUCO2

  Colorado rush · Juncaceae 15 counties
• 
  Juncus covillei Piper Native JUCO5

  Coville's rush · Juncaceae 15 counties
• 
  Juncus covillei Piper var. covillei Native JUCOC

  Coville's rush · Juncaceae 9 counties
• 
  Juncus covillei Piper var. obtusatus C.L. Hitchc. Native JUCOO

  Coville's rush · Juncaceae 4 counties
• 
  Juncus drummondii E. Mey. Native JUDR

  Drummond's rush · Juncaceae 11 counties
• 
  Juncus drummondii E. Mey. var. subtriflorus (E. Mey.) C.L. Hitchc. Native JUDRS

  threeflower rush · Juncaceae 11 counties
• 
  Juncus dudleyi Wiegand Native JUDU2

  Dudley's rush · Juncaceae 9 counties
• 
  Juncus effusus L. Native JUEF

  common rush · Juncaceae 24 counties
• 
  Juncus effusus L. var. gracilis Hook. Native JUEFG

  lamp rush · Juncaceae 1 county
• 
  Juncus effusus L. var. pacificus Fernald & Wiegand Native JUEFP

  Pacific rush · Juncaceae 1 county
• 
  Juncus ensifolius Wikstr. Native JUEN

  swordleaf rush · Juncaceae 33 counties
• 
  Juncus falcatus E. Mey. Native JUFA

  falcate rush · Juncaceae 7 counties
• 
  Juncus falcatus E. Mey. ssp. sitchensis (Buchenau) Hultén Native JUFAS2

  Chilean rush · Juncaceae 7 counties
• 
  Juncus filiformis L. Native JUFI

  thread rush · Juncaceae 7 counties
• 
  Juncus gerardii Loisel. Native JUGE

  saltmeadow rush · Juncaceae 3 counties
• 
  Juncus gerardii Loisel. var. gerardii Native JUGEG

  saltmeadow rush · Juncaceae 3 counties
• 
  Juncus hemiendytus F.J. Herm. Native JUHE

  Herman's dwarf rush · Juncaceae 14 counties
• 
  Juncus hemiendytus F.J. Herm. var. abjectus (F.J. Herm.) Ertter Native JUHEA

  Herman's dwarf rush · Juncaceae 3 counties
• 
  Juncus hemiendytus F.J. Herm. var. hemiendytus Native JUHEH

  Herman's dwarf rush · Juncaceae 10 counties
• 
  Juncus howellii F.J. Herm. Native JUHO

  Howell's rush · Juncaceae 5 counties
• 
  Juncus kelloggii Engelm. Native JUKE

  Kellogg's dwarf rush · Juncaceae 9 counties