California

• Alameda 06001
  1,856 taxa Open ↗
• Alpine 06003
  1,174 taxa Open ↗
• Amador 06005
  1,226 taxa Open ↗
• Butte 06007
  2,704 taxa Open ↗
• Calaveras 06009
  1,227 taxa Open ↗
• Colusa 06011
  1,330 taxa Open ↗
• Contra Costa 06013
  1,712 taxa Open ↗
• Del Norte 06015
  1,424 taxa Open ↗
• El Dorado 06017
  1,950 taxa Open ↗
• Fresno 06019
  2,373 taxa Open ↗

Showing 5,101–5,150 of 9,954.

• 
  Ivesia callida (H.M. Hall) Rydb. Native IVCA

  Tahquitz mousetail · Rosaceae 1 county
• 
  Ivesia campestris (M.E. Jones) Rydb. Native IVCA2

  field mousetail · Rosaceae 3 counties
• 
  Ivesia gordonii (Hook.) Torr. & A. Gray Native IVGO

  Gordon's ivesia · Rosaceae 19 counties
• 
  Ivesia jaegeri Munz & I.M. Johnst. Native IVJA

  Jaeger's mousetail · Rosaceae 1 county
• 
  Ivesia kingii S. Watson Native IVKI

  King's mousetail · Rosaceae 2 counties
• 
  Ivesia longibracteata Ertter Native IVLO

  longbract mousetail · Rosaceae 1 county
• 
  Ivesia lycopodioides A. Gray Native IVLY

  clubmoss mousetail · Rosaceae 9 counties
• 
  Ivesia lycopodioides A. Gray ssp. lycopodioides Native IVLYL

  clubmoss mousetail · Rosaceae 6 counties
• 
  Ivesia lycopodioides A. Gray ssp. megalopetala (Rydb.) D.D. Keck Native IVLYM

  clubmoss mousetail · Rosaceae 7 counties
• 
  Ivesia lycopodioides A. Gray ssp. scandularis (Rydb.) D.D. Keck Native IVLYS

  clubmoss mousetail · Rosaceae 2 counties
• 
  Ivesia muirii A. Gray Native IVMU

  granite mousetail · Rosaceae 5 counties
• 
  Ivesia paniculata T.W. Nelson & J.P. Nelson Native IVPA

  Ash Creek mousetail · Rosaceae 1 county
• 
  Ivesia patellifera (J.T. Howell) Ertter Native IVPA2

  Kingston Mountain mousetail · Rosaceae 1 county
• 
  Ivesia pickeringii Torr. ex A. Gray Native IVPI

  silky mousetail · Rosaceae 2 counties
• 
  Ivesia pygmaea A. Gray Native IVPY

  dwarf mousetail · Rosaceae 5 counties
• 
  Ivesia rhypara Ertter & Reveal Native IVRH

  grimy mousetail · Rosaceae 1 county
• 
  Ivesia rhypara Ertter & Reveal var. rhypara Native IVRHR

  grimy mousetail · Rosaceae 1 county
• 
  Ivesia rhypara Ertter & Reveal var. shellyi Ertter Native IVRHS

  Shelly's mousetail · Rosaceae 1 county
• 
  Ivesia santolinoides A. Gray Native IVSA2

  Sierra mousetail · Rosaceae 13 counties
• 
  Ivesia saxosa (Lemmon ex Greene) Ertter Native IVSA3

  rock mousetail · Rosaceae 7 counties
• 
  Ivesia sericoleuca (Rydb.) Rydb. Native IVSE

  Plumas mousetail · Rosaceae 5 counties
• 
  Ivesia shockleyi S. Watson Native IVSH

  sky mousetail · Rosaceae 6 counties
• 
  Ivesia shockleyi S. Watson var. shockleyi Native IVSHS

  sky mousetail · Rosaceae 6 counties
• 
  Ivesia unguiculata A. Gray Native IVUN

  Yosemite mousetail · Rosaceae 3 counties
• 
  Ivesia webberi A. Gray Native IVWE

  wire mousetail · Rosaceae 3 counties
• 
  Ixia campanulata Houtt. Introduced IXCA

  belllflower African cornlily · Iridaceae 1 county
• 
  Ixia maculata L. Introduced IXMA

  spotted African cornlily · Iridaceae 1 county
• 
  Ixia polystachya L. Introduced IXPO

  white-and-yellow-flower cornlily · Iridaceae 1 county
• 
  Jamesia americana Torr. & A. Gray Native JAAM

  fivepetal cliffbush · Hydrangeaceae 4 counties
• 
  Jamesia americana Torr. & A. Gray var. rosea J.A. Purpus ex C.K. Schneid. Native JAAMR

  fivepetal cliffbush · Hydrangeaceae 4 counties
• 
  Jarava plumosa (Spreng.) S.L.W. Jacobs & J. Everett Introduced JAPL

  South American rice grass · Poaceae 1 county
• 
  Jaumea carnosa (Less.) A. Gray Native JACA4

  marsh jaumea · Asteraceae 19 counties
• 
  Jensia rammii (Greene) B.G. Baldw. Native JERA

  Ramm's madia · Asteraceae 7 counties
• 
  Jensia yosemitana (Parry ex A. Gray) B.G. Baldw. Native JEYO

  Yosemite tarweed · Asteraceae 6 counties
• 
  Jepsonia heterandra Eastw. Native JEHE

  foothill jepsonia · Saxifragaceae 6 counties
• 
  Jepsonia malvifolia (Greene) Small Native JEMA

  island jepsonia · Saxifragaceae 3 counties
• 
  Jepsonia parryi (Torr.) Small Native JEPA

  Parry's jepsonia · Saxifragaceae 4 counties
• 
  Johanneshowellia puberula (S. Watson) Reveal Native JOPU

  Red Creek buckwheat · Polygonaceae 1 county
• 
  Juglans californica S. Watson Native JUCA

  Southern California walnut · Juglandaceae 7 counties
• 
  Juglans hindsii (Jeps.) Jeps. ex R.E. Sm. Native JUHI

  Northern California walnut · Juglandaceae 6 counties
• 
  Juglans regia L. Introduced JURE80

  English walnut · Juglandaceae 8 counties
• 
  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae 15 counties
• 
  Juncus acutus L. Native JUAC2

  spiny rush · Juncaceae 9 counties
• 
  Juncus acutus L. ssp. leopoldii (Parl.) Snog. Native JUACL

  Leopold's rush · Juncaceae 9 counties
• 
  Juncus ambiguus Guss. Native JUAM3

  seasice rush · Juncaceae 14 counties
• 
  Juncus anthelatus (Wiegand) R.E. Brooks Native JUAN3

  greater poverty rush · Juncaceae 1 county
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae 49 counties
• 
  Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

  mountain rush · Juncaceae 49 counties
• 
  Juncus articulatus L. Native JUAR4

  jointleaf rush · Juncaceae 13 counties
• 
  Juncus bolanderi Engelm. Native JUBO

  Bolander's rush · Juncaceae 13 counties