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 1–50 of 8,499 (native).

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  Abies amabilis (Douglas ex Loudon) Douglas ex Forbes Native ABAM

  Pacific silver fir · Pinaceae 1 county
• 
  Abies bracteata (D. Don) D. Don ex Poit. Native ABBR

  bristlecone fir · Pinaceae 2 counties
• 
  Abies grandis (Douglas ex D. Don) Lindl. Native ABGR

  grand fir · Pinaceae 6 counties
• 
  Abies lasiocarpa (Hook.) Nutt. Native ABLA

  subalpine fir · Pinaceae 2 counties
• 
  Abies lasiocarpa (Hook.) Nutt. var. lasiocarpa Native ABLAL

  subalpine fir · Pinaceae 2 counties
• 
  Abies lowiana (Gordon & Glend.) A. Murray bis Native ABLO

  Sierra white fir · Pinaceae 37 counties
• 
  Abies magnifica A. Murray bis Native ABMA

  California red fir · Pinaceae 27 counties
• 
  Abies magnifica A. Murray bis var. magnifica Native ABMAM

  California red fir · Pinaceae 12 counties
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  Abies magnifica A. Murray bis var. shastensis Lemmon Native ABMAS

  Shasta red fir · Pinaceae 12 counties
• 
  Abies procera Rehder Native ABPR

  noble fir · Pinaceae 3 counties
• 
  Abronia alpina Brandegee Native ABAL

  Ramshaw Meadows sand verbena · Nyctaginaceae 1 county
• 
  Abronia latifolia Eschsch. Native ABLA2

  coastal sand verbena · Nyctaginaceae 11 counties
• 
  Abronia maritima Nutt. ex S. Watson Native ABMA2

  red sand verbena · Nyctaginaceae 6 counties
• ⚘
  Abronia minor Standl. Native ABMI2

  little sand verbena · Nyctaginaceae 1 county
• 
  Abronia nana S. Watson Native ABNA

  dwarf sand verbena · Nyctaginaceae 3 counties
• 
  Abronia nana S. Watson var. covillei (Heimerl) Munz Native ABNAC

  Coville's dwarf sand verbena · Nyctaginaceae 3 counties
• 
  Abronia pogonantha Heimerl Native ABPO

  Mojave sand verbena · Nyctaginaceae 11 counties
• 
  Abronia turbinata Torr. ex S. Watson Native ABTU

  transmontane sand verbena · Nyctaginaceae 6 counties
• 
  Abronia umbellata Lam. Native ABUM

  pink sand verbena · Nyctaginaceae 17 counties
• 
  Abronia umbellata Lam. ssp. breviflora (Standl.) Munz Native ABUMB

  pink sand verbena · Nyctaginaceae 6 counties
• 
  Abronia umbellata Lam. ssp. umbellata Native ABUMU

  pink sand verbena · Nyctaginaceae 14 counties
• 
  Abronia villosa S. Watson Native ABVI

  desert sand verbena · Nyctaginaceae 10 counties
• 
  Abronia villosa S. Watson var. aurita (Abrams) Jeps. Native ABVIA

  desert sand verbena · Nyctaginaceae 4 counties
• 
  Abronia villosa S. Watson var. villosa Native ABVIV

  desert sand verbena · Nyctaginaceae 7 counties
• 
  Abutilon palmeri A. Gray Native ABPA

  Palmer's Indian mallow · Malvaceae 1 county
• 
  Abutilon parvulum A. Gray Native ABPA3

  dwarf Indian mallow · Malvaceae 1 county
• 
  Acaena pinnatifida Ruiz & Pav. Native ACPI3

  Argentinian biddy-biddy · Rosaceae 12 counties
• 
  Acaena pinnatifida Ruiz & Pav. var. californica (Bitter) Jeps. Native ACPIC2

  California biddy-biddy · Rosaceae 12 counties
• 
  Acalypha californica Benth. Native ACCA3

  California copperleaf · Euphorbiaceae 2 counties
• 
  Acamptopappus shockleyi A. Gray Native ACSH

  Shockley's goldenhead · Asteraceae 3 counties
• 
  Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray Native ACSP

  rayless goldenhead · Asteraceae 6 counties
• 
  Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray var. hirtellus S.F. Blake Native ACSPH

  rayless goldenhead · Asteraceae 4 counties
• 
  Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray var. sphaerocephalus Native ACSPS2

  rayless goldenhead · Asteraceae 5 counties
• 
  Acanthomintha duttonii (Abrams) Jokerst Native ACDU2

  San Mateo thorn-mint · Lamiaceae 1 county
• 
  Acanthomintha ilicifolia (A. Gray) A. Gray Native ACIL

  San Diego thorn-mint · Lamiaceae 1 county
• 
  Acanthomintha lanceolata Curran Native ACLA2

  Santa Clara thorn-mint · Lamiaceae 7 counties
• 
  Acanthomintha obovata Jeps. Native ACOB

  San Benito thorn-mint · Lamiaceae 7 counties
• 
  Acanthomintha obovata Jeps. ssp. cordata Jokerst Native ACOBC

  heartleaf thorn-mint · Lamiaceae 5 counties
• 
  Acanthomintha obovata Jeps. ssp. obovata Native ACOBO

  San Benito thorn-mint · Lamiaceae 4 counties
• 
  Acer circinatum Pursh Native ACCI

  vine maple · Aceraceae 10 counties
• 
  Acer glabrum Torr. Native ACGL

  Rocky Mountain maple · Aceraceae 28 counties
• 
  Acer glabrum Torr. var. diffusum (Greene) Smiley Native ACGLD3

  Rocky Mountain maple · Aceraceae 5 counties
• 
  Acer glabrum Torr. var. greenei Keller Native ACGLG

  Greene's maple · Aceraceae 1 county
• 
  Acer glabrum Torr. var. torreyi (Greene) Smiley Native ACGLT2

  Torrey maple · Aceraceae 13 counties
• 
  Acer macrophyllum Pursh Native ACMA3

  bigleaf maple · Aceraceae 44 counties
• 
  Acer negundo L. Native ACNE2

  boxelder · Aceraceae 36 counties
• 
  Acer negundo L. var. californicum (Torr. & A. Gray) Sarg. Native ACNEC2

  California boxelder · Aceraceae 35 counties
• 
  Acer negundo L. var. interius (Britton) Sarg. Native ACNEI2

  boxelder · Aceraceae 10 counties
• 
  Acer saccharinum L. Native ACSA2

  silver maple · Aceraceae 3 counties
• 
  Achillea millefolium L. var. alpicola (Rydb.) Garrett Native ACMIA

  common yarrow · Asteraceae 5 counties