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 101–150 of 8,499 (native).

• 
  Adiantum jordanii C.H. Mull. Native ADJO

  California maidenhair · Pteridaceae 37 counties
• 
  Adiantum shastense Huiet & A.R. Sm. Native ADSH

  Shasta maidenhair · Pteridaceae 1 county
• ⚘
  Adiantum ×tracyi C.C. Hall ex W.H. Wagner [aleuticum × jordanii] Native ADTR3

  maidenhair fern · Pteridaceae 7 counties
• 
  Adolphia californica S. Watson Native ADCA2

  California prickbush · Rhamnaceae 1 county
• 
  Aeschynomene rudis Benth. Native AERU

  zigzag jointvetch · Fabaceae 1 county
• 
  Aesculus californica (Spach) Nutt. Native AECA

  California buckeye · Hippocastanaceae 43 counties
• 
  Agastache parvifolia Eastw. Native AGPA2

  smallleaf giant hyssop · Lamiaceae 7 counties
• 
  Agastache urticifolia (Benth.) Kuntze Native AGUR

  nettleleaf giant hyssop · Lamiaceae 31 counties
• 
  Agastache urticifolia (Benth.) Kuntze var. glaucifolia (A. Heller) Cronquist Native AGURG

  nettleleaf giant hyssop · Lamiaceae 1 county
• 
  Agastache urticifolia (Benth.) Kuntze var. urticifolia Native AGURU

  nettleleaf giant hyssop · Lamiaceae 1 county
• 
  Agave americana L. Native AGAM

  American century plant · Agavaceae 2 counties
• 
  Agave americana L. ssp. americana Native AGAMA

  American century plant · Agavaceae 2 counties
• 
  Agave americana L. ssp. americana var. expansa (Jacobi) Gentry Native AGAME

  American century plant · Agavaceae 2 counties
• 
  Agave deserti Engelm. Native AGDE

  desert agave · Agavaceae 3 counties
• 
  Agave shawii Engelm. Native AGSH

  coastal agave · Agavaceae 1 county
• 
  Agave utahensis Engelm. Native AGUT

  Utah agave · Agavaceae 2 counties
• 
  Agave utahensis Engelm. var. eborispina (Hester) Breitung Native AGUTE

  Utah agave · Agavaceae 1 county
• 
  Agave utahensis Engelm. var. nevadensis Engelm. ex Greenm. & Roush Native AGUTN

  Nevada agave · Agavaceae 2 counties
• 
  Ageratina herbacea (A. Gray) R.M. King & H. Rob. Native AGHE5

  fragrant snakeroot · Asteraceae 3 counties
• 
  Ageratina occidentalis (Hook.) R.M. King & H. Rob. Native AGOC2

  western snakeroot · Asteraceae 27 counties
• 
  Ageratina shastensis (D.W. Taylor & Stebbins) R.M. King & H. Rob. Native AGSH2

  Shasta snakeroot · Asteraceae 1 county
• 
  Agnorhiza bolanderi (A. Gray) W.A. Weber Native AGBO4

  Bolander's mule-ears · Asteraceae 10 counties
• 
  Agnorhiza elata (H.M. Hall) W.A. Weber Native AGEL8

  Hall's mule-ears · Asteraceae 4 counties
• 
  Agnorhiza invenusta (Greene) W.A. Weber Native AGIN8

  Coville's mule-ears · Asteraceae 3 counties
• 
  Agnorhiza ovata (Torr. & A. Gray ex Torr.) W.A. Weber Native AGOV

  southern mule-ears · Asteraceae 6 counties
• 
  Agnorhiza reticulata (Greene) W.A. Weber Native AGRE8

  El Dorado mule-ears · Asteraceae 1 county
• 
  Agoseris apargioides (Less.) Greene Native AGAP2

  woolly goat chicory · Asteraceae 17 counties
• 
  Agoseris apargioides (Less.) Greene var. apargioides Native AGAPA

  woolly goat chicory · Asteraceae 17 counties
• 
  Agoseris apargioides (Less.) Greene var. eastwoodiae (Fedde) Munz Native AGAPE

  woolly goat chicory · Asteraceae 9 counties
• 
  Agoseris apargioides (Less.) Greene var. maritima (Sheldon) Q. Jones ex Cronquist Native AGAPM

  woolly goat chicory · Asteraceae 2 counties
• 
  Agoseris aurantiaca (Hook.) Greene Native AGAU2

  orange agoseris · Asteraceae 19 counties
• 
  Agoseris aurantiaca (Hook.) Greene var. aurantiaca Native AGAUA

  orange agoseris · Asteraceae 19 counties
• 
  Agoseris elata (Nutt.) Greene Native AGEL

  tall agoseris · Asteraceae 9 counties
• 
  Agoseris glauca (Pursh) Raf. Native AGGL

  pale agoseris · Asteraceae 30 counties
• 
  Agoseris glauca (Pursh) Raf. var. agrestis (Osterh.) Q. Jones ex Cronquist Native AGGLA

  pale agoseris · Asteraceae 1 county
• 
  Agoseris glauca (Pursh) Raf. var. glauca Native AGGLG

  pale agoseris · Asteraceae 4 counties
• 
  Agoseris glauca (Pursh) Raf. var. laciniata (D.C. Eaton) Smiley Native AGGLL

  false agoseris · Asteraceae 13 counties
• 
  Agoseris glauca (Pursh) Raf. var. monticola (Greene) Q. Jones ex Cronquist Native AGGLM

  pale agoseris · Asteraceae 24 counties
• 
  Agoseris grandiflora (Nutt.) Greene Native AGGR

  bigflower agoseris · Asteraceae 45 counties
• 
  Agoseris heterophylla (Nutt.) Greene Native AGHE2

  annual agoseris · Asteraceae 51 counties
• 
  Agoseris heterophylla (Nutt.) Greene var. heterophylla Native AGHEH

  annual agoseris · Asteraceae 1 county
• 
  Agoseris retrorsa (Benth.) Greene Native AGRE

  spearleaf agoseris · Asteraceae 36 counties
• ⚘
  Agoseris ×dasycarpa Greene (pro sp.) [glauca var. glauca × monticola] Native AGDA3

  agoseris · Asteraceae 11 counties
• 
  Agrimonia gryposepala Wallr. Native AGGR2

  tall hairy agrimony · Rosaceae 12 counties
• 
  Agrostis blasdalei Hitchc. Native AGBL

  Blasdale bentgrass · Poaceae 4 counties
• ⚘
  Agrostis clivicola Crampton Native AGCL2

  coastal bluff bentgrass · Poaceae 1 county
• ⚘
  Agrostis clivicola Crampton var. punta-reyesensis Native AGCLP

  Point Reyes bentgrass · Poaceae 1 county
• 
  Agrostis densiflora Vasey Native AGDE7

  California bentgrass · Poaceae 10 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 8 counties
• 
  Agrostis exarata Trin. Native AGEX

  spike bentgrass · Poaceae 49 counties