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 2,101–2,150 of 4,583 (native).

• 
  Hieracium albiflorum Hook. Native HIAL2

  white hawkweed · Asteraceae 32 counties
• 
  Hieracium bolanderi A. Gray Native HIBO

  Bolander's hawkweed · Asteraceae 6 counties
• 
  Hieracium cynoglossoides Arv.-Touv. Native HICY

  houndstongue hawkweed · Asteraceae 2 counties
• 
  Hieracium gracile Hook. Native HIGR

  slender hawkweed · Asteraceae 18 counties
• 
  Hieracium greenei A. Gray Native HIGR2

  Greene's hawkweed · Asteraceae 7 counties
• 
  Hieracium horridum Fr. Native HIHO

  prickly hawkweed · Asteraceae 5 counties
• 
  Hieracium longiberbe Howell Native HILO

  longbeard hawkweed · Asteraceae 2 counties
• 
  Hieracium scouleri Hook. Native HISC2

  Scouler's woollyweed · Asteraceae 30 counties
• 
  Hieracium scouleri Hook. var. albertinum (Farr) G.W. Douglas & G.A. Allen Native HISCA

  Scouler's woollyweed · Asteraceae 1 county
• 
  Hieracium scouleri Hook. var. nudicaule (A. Gray) Cronquist Native HISCN

  Scouler's woollyweed · Asteraceae 5 counties
• 
  Hieracium scouleri Hook. var. scouleri Native HISCS2

  Scouler's woollyweed · Asteraceae 7 counties
• 
  Hieracium umbellatum L. Native HIUM

  narrowleaf hawkweed · Asteraceae 2 counties
• 
  Hierochloe hirta (Schrank) Borbás Native HIHI

  northern sweetgrass · Poaceae 13 counties
• 
  Hierochloe hirta (Schrank) Borbás ssp. arctica (J. Presl) G. Weim. Native HIHIA

  northern sweetgrass · Poaceae 13 counties
• 
  Hierochloe occidentalis Buckley Native HIOC

  California sweetgrass · Poaceae 10 counties
• 
  Hippuris vulgaris L. Native HIVU2

  common mare's-tail · Hippuridaceae 17 counties
• 
  Holodiscus discolor (Pursh) Maxim. Native HODI

  oceanspray · Rosaceae 33 counties
• 
  Honckenya peploides (L.) Ehrh. Native HOPE

  seaside sandplant · Caryophyllaceae 5 counties
• 
  Honckenya peploides (L.) Ehrh. ssp. major (Hook.) Hultén Native HOPEM2

  seaside sandplant · Caryophyllaceae 5 counties
• 
  Hordeum brachyantherum Nevski Native HOBR2

  meadow barley · Poaceae 30 counties
• 
  Hordeum brachyantherum Nevski ssp. brachyantherum Native HOBRB2

  meadow barley · Poaceae 5 counties
• 
  Hordeum depressum (Scribn. & J.G. Sm.) Rydb. Native HODE2

  dwarf barley · Poaceae 14 counties
• 
  Hordeum jubatum L. Native HOJU

  foxtail barley · Poaceae 20 counties
• 
  Hordeum jubatum L. ssp. jubatum Native HOJUJ

  foxtail barley · Poaceae 20 counties
• 
  Hordeum pusillum Nutt. Native HOPU

  little barley · Poaceae 2 counties
• 
  Horkelia congesta Douglas ex Hook. Native HOCO

  Sierra horkelia · Rosaceae 9 counties
• 
  Horkelia congesta Douglas ex Hook. ssp. congesta Native HOCOC

  Sierra horkelia · Rosaceae 9 counties
• 
  Horkelia congesta Douglas ex Hook. ssp. nemorosa D.D. Keck Native HOCON

  Sierra horkelia · Rosaceae 3 counties
• 
  Horkelia daucifolia (Greene) Rydb. Native HODA

  carrotleaf horkelia · Rosaceae 3 counties
• 
  Horkelia daucifolia (Greene) Rydb. ssp. daucifolia Native HODAD

  carrotleaf horkelia · Rosaceae 3 counties
• 
  Horkelia fusca Lindl. Native HOFU

  pinewoods horkelia · Rosaceae 19 counties
• 
  Horkelia fusca Lindl. ssp. capitata (Lindl.) D.D. Keck Native HOFUC2

  bighead horkelia · Rosaceae 7 counties
• 
  Horkelia fusca Lindl. ssp. filicoides (Crum) D.D. Keck Native HOFUF

  pinewoods horkelia · Rosaceae 4 counties
• 
  Horkelia fusca Lindl. ssp. fusca Native HOFUF2

  pinewoods horkelia · Rosaceae 4 counties
• 
  Horkelia fusca Lindl. ssp. parviflora (Nutt. ex Torr. & A. Gray) D.D. Keck Native HOFUP2

  smallflower horkelia · Rosaceae 7 counties
• 
  Horkelia hendersonii Howell Native HOHE2

  Henderson's horkelia · Rosaceae 1 county
• 
  Horkelia sericata S. Watson Native HOSE

  silky horkelia · Rosaceae 5 counties
• 
  Horkelia tridentata Torr. Native HOTR

  threetooth horkelia · Rosaceae 2 counties
• 
  Horkelia tridentata Torr. ssp. tridentata Native HOTRT

  threetooth horkelia · Rosaceae 2 counties
• 
  Hornungia procumbens (L.) Hayek Native HOPR4

  prostrate hutchinsia · Brassicaceae 7 counties
• 
  Howellia aquatilis A. Gray Native HOAQ

  water howellia · Campanulaceae 4 counties
• 
  Hulsea algida A. Gray Native HUAL

  Pacific hulsea · Asteraceae 2 counties
• 
  Hulsea nana A. Gray Native HUNA

  dwarf alpinegold · Asteraceae 9 counties
• 
  Humulus lupulus L. var. neomexicanus A. Nelson & Cockerell Native HULUN

  common hop · Cannabaceae 9 counties
• 
  Huperzia occidentalis (Clute) Kartesz & Gandhi Native HUOC

  western clubmoss · Lycopodiaceae 7 counties
• 
  Hydrocotyle ranunculoides L. f. Native HYRA

  floating marshpennywort · Apiaceae 4 counties
• 
  Hydrocotyle umbellata L. Native HYUM

  manyflower marshpennywort · Apiaceae 1 county
• 
  Hydrocotyle verticillata Thunb. Native HYVE2

  whorled marshpennywort · Apiaceae 4 counties
• 
  Hydrocotyle verticillata Thunb. var. verticillata Native HYVEV

  whorled marshpennywort · Apiaceae 4 counties
• 
  Hydrophyllum capitatum Douglas ex Benth. Native HYCA4

  ballhead waterleaf · Hydrophyllaceae 23 counties