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 2,301–2,350 of 8,499 (native).

• 
  Cordylanthus orcuttianus A. Gray Native COOR7

  Orcutt's bird's-beak · Scrophulariaceae 1 county
• 
  Cordylanthus palmatus (Ferris) J.F. Macbr. Native COPA8

  palmbract bird's-beak · Scrophulariaceae 6 counties
• 
  Cordylanthus parviflorus (Ferris) Wiggins Native COPA9

  purple bird's-beak · Scrophulariaceae 1 county
• 
  Cordylanthus pilosus A. Gray Native COPI2

  hairy bird's-beak · Scrophulariaceae 29 counties
• 
  Cordylanthus pilosus A. Gray ssp. hansenii (Ferris) T.I. Chuang & Heckard Native COPIH

  Hansen's bird's beak · Scrophulariaceae 10 counties
• 
  Cordylanthus pilosus A. Gray ssp. pilosus Native COPIP

  hairy bird's beak · Scrophulariaceae 18 counties
• 
  Cordylanthus pilosus A. Gray ssp. trifidus (B.L. Rob. & Greenm.) T.I. Chuang & Heckard Native COPIT

  hairy bird's beak · Scrophulariaceae 6 counties
• 
  Cordylanthus pringlei A. Gray Native COPR

  Pringle's bird's beak · Scrophulariaceae 7 counties
• 
  Cordylanthus ramosus Nutt. ex Benth. Native CORA5

  bushy bird's beak · Scrophulariaceae 7 counties
• 
  Cordylanthus rigidus (Benth.) Jeps. Native CORI2

  stiffbranch bird's beak · Scrophulariaceae 21 counties
• 
  Cordylanthus rigidus (Benth.) Jeps. ssp. brevibracteatus (A. Gray) Munz Native CORIB

  stiffbranch bird's beak · Scrophulariaceae 2 counties
• 
  Cordylanthus rigidus (Benth.) Jeps. ssp. littoralis (Ferris) T.I. Chuang & Heckard Native CORIL

  seaside bird's beak · Scrophulariaceae 2 counties
• 
  Cordylanthus rigidus (Benth.) Jeps. ssp. rigidus Native CORIR

  stiffbranch bird's beak · Scrophulariaceae 20 counties
• 
  Cordylanthus rigidus (Benth.) Jeps. ssp. setigerus T.I. Chuang & Heckard Native CORIS2

  stiffbranch bird's beak · Scrophulariaceae 9 counties
• 
  Cordylanthus tecopensis Munz & Roos Native COTE2

  Tecopa bird's beak · Scrophulariaceae 2 counties
• 
  Cordylanthus tenuis A. Gray Native COTE3

  slender bird's beak · Scrophulariaceae 29 counties
• 
  Cordylanthus tenuis A. Gray ssp. barbatus T.I. Chuang & Heckard Native COTEB2

  Fresno County bird's beak · Scrophulariaceae 1 county
• 
  Cordylanthus tenuis A. Gray ssp. brunneus (Jeps.) Munz Native COTEB

  serpentine bird's beak · Scrophulariaceae 3 counties
• 
  Cordylanthus tenuis A. Gray ssp. capillaris (Pennell) T.I. Chuang & Heckard Native COTEC

  Pennell's bird's beak · Scrophulariaceae 1 county
• 
  Cordylanthus tenuis A. Gray ssp. pallescens (Pennell) T.I. Chuang & Heckard Native COTEP2

  pallid bird's beak · Scrophulariaceae 1 county
• 
  Cordylanthus tenuis A. Gray ssp. tenuis Native COTET2

  slender bird's beak · Scrophulariaceae 19 counties
• 
  Cordylanthus tenuis A. Gray ssp. viscidus (Howell) T.I. Chuang & Heckard Native COTEV

  slender bird's beak · Scrophulariaceae 14 counties
• 
  Coreopsis bigelovii (A. Gray) H.M. Hall Native COBI

  Bigelow's tickseed · Asteraceae 13 counties
• 
  Coreopsis californica (Nutt.) H. Sharsm. Native COCA8

  California tickseed · Asteraceae 8 counties
• 
  Coreopsis californica (Nutt.) H. Sharsm. var. californica Native COCAC4

  California tickseed · Asteraceae 8 counties
• 
  Coreopsis calliopsidea (DC.) A. Gray Native COCA9

  leafstem tickseed · Asteraceae 15 counties
• 
  Coreopsis douglasii (DC.) H.M. Hall Native CODO2

  Douglas' tickseed · Asteraceae 8 counties
• 
  Coreopsis gigantea (Kellogg) H.M. Hall Native COGI

  giant coreopsis · Asteraceae 10 counties
• 
  Coreopsis grandiflora Hogg ex Sweet Native COGR5

  largeflower tickseed · Asteraceae 3 counties
• 
  Coreopsis grandiflora Hogg ex Sweet var. grandiflora Native COGRG

  largeflower tickseed · Asteraceae 3 counties
• 
  Coreopsis hamiltonii (Elmer) H. Sharsm. Native COHA2

  Mt. Hamilton tickseed · Asteraceae 3 counties
• 
  Coreopsis lanceolata L. Native COLA5

  lanceleaf tickseed · Asteraceae 5 counties
• 
  Coreopsis maritima (Nutt.) Hook. f. Native COMA10

  sea dahlia · Asteraceae 1 county
• 
  Coreopsis stillmanii (A. Gray) S.F. Blake Native COST3

  Stillman's tickseed · Asteraceae 11 counties
• 
  Coreopsis tinctoria Nutt. Native COTI3

  golden tickseed · Asteraceae 9 counties
• 
  Coreopsis tinctoria Nutt. var. atkinsoniana (Douglas ex Lindl.) H.M. Parker ex E.B. Sm. Native COTIA

  Atkinson's tickseed · Asteraceae 1 county
• 
  Coreopsis tinctoria Nutt. var. tinctoria Native COTIT

  golden tickseed · Asteraceae 9 counties
• 
  Coreopsis wrightii (A. Gray) H.M. Parker Native COWR3

  rock tickseed · Asteraceae 1 county
• 
  Corethrogyne filaginifolia (Hook. & Arn.) Nutt. Native COFI2

  common sandaster · Asteraceae 30 counties
• 
  Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. californica (DC.) J.P. Saroyan Native COFIC

  California sandaster · Asteraceae 13 counties
• 
  Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. filaginifolia Native COFIF

  common sandaster · Asteraceae 24 counties
• 
  Corispermum pacificum Mosyakin Native COPA37

  common bugseed · Chenopodiaceae 1 county
• 
  Cornus glabrata Benth. Native COGL3

  brown dogwood · Cornaceae 34 counties
• 
  Cornus nuttallii Audubon ex Torr. & A. Gray Native CONU4

  Pacific dogwood · Cornaceae 36 counties
• 
  Cornus sericea L. Native COSE16

  redosier dogwood · Cornaceae 50 counties
• 
  Cornus sericea L. ssp. occidentalis (Torr. & A. Gray) Fosberg Native COSEO

  western dogwood · Cornaceae 30 counties
• 
  Cornus sericea L. ssp. sericea Native COSES

  redosier dogwood · Cornaceae 49 counties
• 
  Cornus sessilis Torr. ex Durand Native COSE3

  blackfruit dogwood · Cornaceae 14 counties
• 
  Cornus unalaschkensis Ledeb. Native COUN

  western cordilleran bunchberry · Cornaceae 2 counties
• 
  Corydalis aurea Willd. Native COAU2

  scrambled eggs · Fumariaceae 2 counties