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 551–600 of 9,954.

• 
  Arabis lemmonii S. Watson var. lemmonii Native ARLEL

  Lemmon's rockcress · Brassicaceae 8 counties
• 
  Arabis lyallii S. Watson Native ARLY

  Lyall's rockcress · Brassicaceae 14 counties
• 
  Arabis lyallii S. Watson var. lyallii Native ARLYL

  Lyall's rockcress · Brassicaceae 4 counties
• 
  Arabis lyallii S. Watson var. nubigena (J.F. Macbr. & Payson) Rollins Native ARLYN

  Lyall's rockcress · Brassicaceae 3 counties
• 
  Arabis macdonaldiana Eastw. Native ARMA33

  MacDonald rockcress · Brassicaceae 4 counties
• 
  Arabis microphylla Nutt. Native ARMI

  littleleaf rockcress · Brassicaceae 3 counties
• 
  Arabis microphylla Nutt. var. microphylla Native ARMIM2

  littleleaf rockcress · Brassicaceae 3 counties
• 
  Arabis modesta Rollins Native ARMO

  Rogue Canyon rockcress · Brassicaceae 3 counties
• 
  Arabis oregana Rollins Native AROR

  Oregon rockcress · Brassicaceae 5 counties
• 
  Arabis parishii S. Watson Native ARPA

  dwarf rockcress · Brassicaceae 1 county
• 
  Arabis perennans S. Watson Native ARPE2

  perennial rockcress · Brassicaceae 6 counties
• 
  Arabis pinzliae Rollins Native ARPI2

  Boundary Peak rockcress · Brassicaceae 1 county
• 
  Arabis platysperma A. Gray Native ARPL

  pioneer rockcress · Brassicaceae 29 counties
• 
  Arabis platysperma A. Gray var. howellii (S. Watson) Jeps. Native ARPLH2

  Howell's pioneer rockcress · Brassicaceae 16 counties
• 
  Arabis platysperma A. Gray var. platysperma Native ARPLP2

  pioneer rockcress · Brassicaceae 14 counties
• 
  Arabis puberula Nutt. Native ARPU

  silver rockcress · Brassicaceae 15 counties
• 
  Arabis pulchra M.E. Jones ex S. Watson Native ARPU2

  beautiful rockcress · Brassicaceae 13 counties
• 
  Arabis pulchra M.E. Jones ex S. Watson var. gracilis M.E. Jones Native ARPUG

  beautiful rockcress · Brassicaceae 5 counties
• 
  Arabis pulchra M.E. Jones ex S. Watson var. munciensis M.E. Jones Native ARPUM

  Muncy rockcress · Brassicaceae 2 counties
• 
  Arabis pulchra M.E. Jones ex S. Watson var. pulchra Native ARPUP2

  beautiful rockcress · Brassicaceae 4 counties
• 
  Arabis pygmaea Rollins Native ARPY

  Tulare County rockcress · Brassicaceae 2 counties
• 
  Arabis rectissima Greene Native ARRE

  bristlyleaf rockcress · Brassicaceae 15 counties
• 
  Arabis rectissima Greene var. rectissima Native ARRER2

  bristlyleaf rockcress · Brassicaceae 15 counties
• 
  Arabis repanda S. Watson Native ARRE2

  Yosemite rockcress · Brassicaceae 22 counties
• 
  Arabis repanda S. Watson var. greenei Jeps. Native ARREG

  Greene's rockcress · Brassicaceae 4 counties
• 
  Arabis repanda S. Watson var. repanda Native ARRER

  Yosemite rockcress · Brassicaceae 22 counties
• 
  Arabis rigidissima Rollins Native ARRI

  Trinity Mountain rockcress · Brassicaceae 4 counties
• 
  Arabis rigidissima Rollins var. demota Native ARRID

  Trinity Mountain rockcress · Brassicaceae 1 county
• 
  Arabis rigidissima Rollins var. rigidissima Native ARRIR

  Trinity Mountain rockcress · Brassicaceae 3 counties
• 
  Arabis rollei Rollins Native ARRO11

  Klamath River rockcress · Brassicaceae 1 county
• 
  Arabis shockleyi Munz Native ARSH

  Shockley's rockcress · Brassicaceae 2 counties
• 
  Arabis sparsiflora Nutt. Native ARSP

  sicklepod rockcress · Brassicaceae 35 counties
• 
  Arabis sparsiflora Nutt. var. arcuata (Nutt.) Rollins Native ARSPA

  elegant rockcress · Brassicaceae 17 counties
• 
  Arabis sparsiflora Nutt. var. californica Rollins Native ARSPC

  California rockcress · Brassicaceae 6 counties
• 
  Arabis sparsiflora Nutt. var. sparsiflora Native ARSPS2

  sicklepod rockcress · Brassicaceae 7 counties
• 
  Arabis sparsiflora Nutt. var. subvillosa (S. Watson) Rollins Native ARSPS

  hairystem rockcress · Brassicaceae 12 counties
• 
  Arabis subpinnatifida S. Watson Native ARSU

  Klamath rockcress · Brassicaceae 10 counties
• 
  Arabis suffrutescens S. Watson Native ARSU2

  woody rockcress · Brassicaceae 16 counties
• 
  Arabis suffrutescens S. Watson var. horizontalis (Greene) Rollins Native ARSUH

  horizontal woody rockcress · Brassicaceae 2 counties
• 
  Arabis suffrutescens S. Watson var. suffrutescens Native ARSUS

  woody rockcress · Brassicaceae 14 counties
• 
  Arabis tiehmii Rollins Native ARTI2

  Carson Range rockcress · Brassicaceae 1 county
• 
  Arabis ×divaricarpa A. Nelson (pro sp.) [drummondii × holboellii] Native ARDI2

  spreadingpod rockcress · Brassicaceae 16 counties
• 
  Aralia californica S. Watson Native ARCA2

  California spikenard · Araliaceae 29 counties
• 
  Araujia sericifera Brot. Introduced ARSE8

  white bladderflower · Asclepiadaceae 23 counties
• 
  Arbutus menziesii Pursh Native ARME

  Pacific madrone · Ericaceae 40 counties
• 
  Arceuthobium abietinum (Engelm.) Hawksw. & Wiens Native ARAB4

  fir dwarf mistletoe · Viscaceae 28 counties
• 
  Arceuthobium abietinum (Engelm.) Hawksw. & Wiens ssp. wiensii Mathiasen & C.M. Daugherty Native ARABW

  Klamath fir dwarf mistletoe · Viscaceae 2 counties
• 
  Arceuthobium abietinum Engelm. ex Munz ssp. abietinum Native ARABA

  fir dwarf mistletoe · Viscaceae 28 counties
• 
  Arceuthobium americanum Nutt. ex Engelm. Native ARAM

  American dwarf mistletoe · Viscaceae 21 counties
• 
  Arceuthobium californicum Hawksw. & Wiens Native ARCA17

  sugar pine dwarf mistletoe · Viscaceae 24 counties