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 51–100 of 8,499 (native).

• 
  Achillea millefolium L. var. arenicola (A. Heller) Nobs Native ACMIA2

  common yarrow · Asteraceae 8 counties
• 
  Achillea millefolium L. var. californica (Pollard) Jeps. Native ACMIC

  California yarrow · Asteraceae 13 counties
• 
  Achillea millefolium L. var. gigantea (Pollard) Nobs Native ACMIG

  giant yarrow · Asteraceae 4 counties
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae 15 counties
• 
  Achillea millefolium L. var. pacifica (Rydb.) G.N. Jones Native ACMIP

  Pacific yarrow · Asteraceae 3 counties
• 
  Achillea millefolium L. var. puberula (Rydb.) Nobs Native ACMIP2

  common yarrow · Asteraceae 3 counties
• 
  Achlys californica I. Fukuda & H.G. Baker Native ACCA6

  deer's foot · Berberidaceae 5 counties
• 
  Achlys triphylla (Sm.) DC. Native ACTR

  sweet after death · Berberidaceae 5 counties
• 
  Achnatherum aridum (M.E. Jones) Barkworth Native ACAR14

  Mormon needlegrass · Poaceae 3 counties
• 
  Achnatherum coronatum (Thurb.) Barkworth Native ACCO21

  giant ricegrass · Poaceae 12 counties
• 
  Achnatherum diegoense (Swallen) Barkworth Native ACDI10

  San Diego needlegrass · Poaceae 3 counties
• 
  Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHY

  Indian ricegrass · Poaceae 24 counties
• 
  Achnatherum latiglume (Swallen) Barkworth Native ACLA8

  Sierra needlegrass · Poaceae 3 counties
• 
  Achnatherum lemmonii (Vasey) Barkworth Native ACLE8

  Lemmon's needlegrass · Poaceae 31 counties
• 
  Achnatherum lemmonii (Vasey) Barkworth var. lemmonii Native ACLEL

  Lemmon's needlegrass · Poaceae 31 counties
• 
  Achnatherum lemmonii (Vasey) Barkworth var. pubescens (Crampton) Barkworth Native ACLEP

  pubescent Lemmon's needlegrass · Poaceae 2 counties
• 
  Achnatherum lettermanii (Vasey) Barkworth Native ACLE9

  Letterman's needlegrass · Poaceae 11 counties
• 
  Achnatherum nelsonii (Scribn.) Barkworth Native ACNE9

  Columbia needlegrass · Poaceae 18 counties
• 
  Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth Native ACNED

  Dore's needlegrass · Poaceae 18 counties
• 
  Achnatherum nevadense (B.L. Johnson) Barkworth Native ACNE10

  Nevada needlegrass · Poaceae 10 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth Native ACOC3

  western needlegrass · Poaceae 33 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth ssp. californicum (Merr. & Burtt Davy) Barkworth Native ACOCC

  California needlegrass · Poaceae 30 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth ssp. occidentale Native ACOCO

  western needlegrass · Poaceae 25 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth ssp. pubescens (Vasey) Barkworth Native ACOCP

  pubescent western needlegrass · Poaceae 23 counties
• 
  Achnatherum parishii (Vasey) Barkworth Native ACPA13

  Parish's needlegrass · Poaceae 6 counties
• 
  Achnatherum parishii (Vasey) Barkworth var. parishii Native ACPAP

  Parish's needlegrass · Poaceae 6 counties
• 
  Achnatherum pinetorum (M.E. Jones) Barkworth Native ACPI2

  pine needlegrass · Poaceae 7 counties
• 
  Achnatherum speciosum (Trin. & Rupr.) Barkworth Native ACSP12

  desert needlegrass · Poaceae 15 counties
• 
  Achnatherum stillmanii (Bol.) Barkworth Native ACST7

  Stillman's needlegrass · Poaceae 9 counties
• 
  Achnatherum thurberianum (Piper) Barkworth Native ACTH7

  Thurber's needlegrass · Poaceae 13 counties
• 
  Achnatherum webberi (Thurb.) Barkworth Native ACWE3

  Webber needlegrass · Poaceae 8 counties
• ⚘
  Achnatherum ×bloomeri (Bol.) Barkworth [hymenoides × occidentale] Native ACBL

  Poaceae 4 counties
• 
  Achyrachaena mollis Schauer Native ACMO2

  blow wives · Asteraceae 42 counties
• 
  Achyronychia cooperi Torr. & A. Gray Native ACCO3

  onyxflower · Caryophyllaceae 5 counties
• 
  Acleisanthes longiflora A. Gray Native ACLO2

  angel's trumpets · Nyctaginaceae 1 county
• 
  Aconitum columbianum Nutt. Native ACCO4

  Columbian monkshood · Ranunculaceae 26 counties
• 
  Aconitum columbianum Nutt. ssp. columbianum Native ACCOC3

  Columbian monkshood · Ranunculaceae 26 counties
• 
  Aconitum columbianum Nutt. ssp. viviparum (Greene) D.E. Brink Native ACCOV2

  Columbian monkshood · Ranunculaceae 4 counties
• 
  Acourtia microcephala DC. Native ACMI3

  sacapellote · Asteraceae 9 counties
• 
  Actaea rubra (Aiton) Willd. Native ACRU2

  red baneberry · Ranunculaceae 31 counties
• 
  Actaea rubra (Aiton) Willd. ssp. arguta (Nutt.) Hultén Native ACRUA8

  red baneberry · Ranunculaceae 31 counties
• 
  Adenocaulon bicolor Hook. Native ADBI

  American trailplant · Asteraceae 28 counties
• 
  Adenophyllum cooperi (A. Gray) Strother Native ADCO2

  Cooper's dogweed · Asteraceae 3 counties
• 
  Adenophyllum porophylloides (A. Gray) Strother Native ADPO

  San Felipe dogweed · Asteraceae 5 counties
• 
  Adenostoma fasciculatum Hook. & Arn. Native ADFA

  chamise · Rosaceae 38 counties
• 
  Adenostoma fasciculatum Hook. & Arn. var. fasciculatum Native ADFAF

  chamise · Rosaceae 38 counties
• 
  Adenostoma fasciculatum Hook. & Arn. var. obtusifolium S. Watson Native ADFAO

  chamise · Rosaceae 1 county
• 
  Adenostoma sparsifolium Torr. Native ADSP

  redshank · Rosaceae 8 counties
• 
  Adiantum aleuticum (Rupr.) Paris Native ADAL

  Aleutian maidenhair · Pteridaceae 33 counties
• 
  Adiantum capillus-veneris L. Native ADCA

  common maidenhair · Pteridaceae 19 counties