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 1,151–1,200 of 9,954.

• 
  Atriplex truncata (Torr. ex S. Watson) A. Gray Native ATTR

  wedgescale saltbush · Chenopodiaceae 10 counties
• ⚘
  Atriplex tularensis Coville Native ATTU

  Tulare saltbush · Chenopodiaceae 1 county
• 
  Atriplex undulata (Moq.) D. Dietr. Introduced ATUN3

  wavy-leaved saltbush · Chenopodiaceae 1 county
• ⚘
  Atriplex vallicola Hoover Native ATVA

  Lost Hills saltbush · Chenopodiaceae 5 counties
• 
  Atriplex watsonii A. Nelson Native ATWA

  Watson's saltbush · Chenopodiaceae 6 counties
• 
  Atropa bella-donna L. Introduced ATBE

  belladonna · Solanaceae 2 counties
• 
  Aubrieta deltoidea (L.) DC. Introduced AUDE

  lilacbush · Brassicaceae 1 county
• 
  Avena barbata Pott ex Link Introduced AVBA

  slender oat · Poaceae 46 counties
• 
  Avena fatua L. Introduced AVFA

  wild oat · Poaceae 47 counties
• ⚘
  Avena occidentalis Durieu Introduced AVOC

  western oat · Poaceae 2 counties
• 
  Avena sativa L. Introduced AVSA

  common oat · Poaceae 24 counties
• 
  Avena sterilis L. Introduced AVST

  animated oat · Poaceae 2 counties
• 
  Avena strigosa Schreb. Introduced AVST2

  black oats · Poaceae 2 counties
• 
  Avicennia marina (Forssk.) Vierh. Introduced AVMA3

  gray mangrove · Verbenaceae 1 county
• 
  Avicennia marina (Forssk.) Vierh. var. resinifera (G. Forst.) Bakh. Introduced AVMAR

  gray mangrove · Verbenaceae 1 county
• 
  Axonopus fissifolius (Raddi) Kuhlm. Native AXFI

  common carpetgrass · Poaceae 1 county
• 
  Ayenia compacta Rose Native AYCO

  California ayenia · Sterculiaceae 3 counties
• 
  Azolla filiculoides Lam. Native AZFI

  Pacific mosquitofern · Azollaceae 34 counties
• 
  Azolla microphylla Kaulf. Native AZMI

  Mexican Mosquito Fern · Azollaceae 11 counties
• 
  Baccharis brachyphylla A. Gray Native BABR

  shortleaf baccharis · Asteraceae 4 counties
• 
  Baccharis douglasii DC. Native BADO

  saltmarsh baccharis · Asteraceae 27 counties
• 
  Baccharis emoryi A. Gray Native BAEM

  Emory's baccharis · Asteraceae 8 counties
• 
  Baccharis malibuensis R.M. Beauch. & J. Henrickson Native BAMA13

  Malibu baccharis · Asteraceae 1 county
• 
  Baccharis pilularis DC. Native BAPI

  coyotebrush · Asteraceae 39 counties
• 
  Baccharis plummerae A. Gray Native BAPL

  Plummer's baccharis · Asteraceae 5 counties
• 
  Baccharis plummerae A. Gray ssp. glabrata Hoover Native BAPLG

  smooth baccharis · Asteraceae 2 counties
• 
  Baccharis plummerae A. Gray ssp. plummerae Native BAPLP

  Plummer's baccharis · Asteraceae 4 counties
• 
  Baccharis salicifolia (Ruiz & Pav.) Pers. Native BASA4

  mule-fat · Asteraceae 35 counties
• 
  Baccharis sarothroides A. Gray Native BASA2

  desertbroom · Asteraceae 3 counties
• 
  Baccharis sergiloides A. Gray Native BASE

  desert baccharis · Asteraceae 6 counties
• 
  Baccharis vanessae R.M. Beauch. Native BAVA3

  Encinitis false willow · Asteraceae 2 counties
• 
  Bacopa eisenii (Kellogg) Pennell Native BAEI

  Gila River waterhyssop · Scrophulariaceae 11 counties
• 
  Bacopa monnieri (L.) Pennell Native BAMO

  herb of grace · Scrophulariaceae 3 counties
• 
  Bacopa repens (Sw.) Wettst. Native BARE

  creeping waterhyssop · Scrophulariaceae 1 county
• 
  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae 16 counties
• 
  Bahia dissecta (A. Gray) Britton Native BADI

  ragleaf bahia · Asteraceae 2 counties
• 
  Baileya multiradiata Harv. & A. Gray ex A. Gray Native BAMU

  desert marigold · Asteraceae 3 counties
• 
  Baileya pauciradiata Harv. & A. Gray ex A. Gray Native BAPA

  laxflower · Asteraceae 5 counties
• 
  Baileya pleniradiata Harv. & A. Gray ex A. Gray Native BAPL3

  woolly desert marigold · Asteraceae 7 counties
• 
  Balsamorhiza deltoidea Nutt. Native BADE2

  deltoid balsamroot · Asteraceae 24 counties
• 
  Balsamorhiza hookeri (Hook.) Nutt. Native BAHO

  Hooker's balsamroot · Asteraceae 10 counties
• 
  Balsamorhiza hookeri (Hook.) Nutt. var. hirsuta (Nutt.) A. Nelson Native BAHOH

  hairy balsamroot · Asteraceae 5 counties
• 
  Balsamorhiza hookeri (Hook.) Nutt. var. neglecta (Sharp) Cronquist Native BAHON

  neglected balsamroot · Asteraceae 3 counties
• 
  Balsamorhiza lanata (Sharp) W.A. Weber Native BALA8

  lanate balsamroot · Asteraceae 1 county
• 
  Balsamorhiza macrolepis Sharp Native BAMA3

  California balsamroot · Asteraceae 19 counties
• 
  Balsamorhiza macrolepis Sharp var. macrolepis Native BAMAM

  California balsamroot · Asteraceae 11 counties
• 
  Balsamorhiza macrolepis Sharp var. platylepis (Sharp) Ferris Native BAMAP

  California balsamroot · Asteraceae 8 counties
• 
  Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

  arrowleaf balsamroot · Asteraceae 19 counties
• 
  Balsamorhiza sericea W.A. Weber Native BASE4

  silky balsamroot · Asteraceae 3 counties
• 
  Balsamorhiza serrata A. Nelson & J.F. Macbr. Native BASE2

  serrate balsamroot · Asteraceae 2 counties