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 1,701–1,750 of 8,499 (native).

• 
  Castilleja parviflora Bong. Native CAPA26

  mountain Indian paintbrush · Scrophulariaceae 11 counties
• 
  Castilleja parviflora Bong. var. parviflora Native CAPAP8

  smallflower Indian paintbrush · Scrophulariaceae 11 counties
• 
  Castilleja peckiana Pennell Native CAPE19

  Peck's Indian paintbrush · Scrophulariaceae 1 county
• 
  Castilleja pilosa (S. Watson) Rydb. Native CAPI3

  parrothead Indian paintbrush · Scrophulariaceae 15 counties
• 
  Castilleja pilosa (S. Watson) Rydb. var. pilosa Native CAPIP

  parrothead Indian paintbrush · Scrophulariaceae 15 counties
• 
  Castilleja plagiotoma A. Gray Native CAPL7

  Mojave Indian paintbrush · Scrophulariaceae 4 counties
• 
  Castilleja praeterita Heckard & Bacig. Native CAPR11

  Salmon Creek Indian paintbrush · Scrophulariaceae 2 counties
• 
  Castilleja pruinosa Fernald Native CAPR14

  frosted Indian paintbrush · Scrophulariaceae 18 counties
• 
  Castilleja rubicundula (Jeps.) T.I. Chuang & Heckard Native CARU20

  cream sacs · Scrophulariaceae 20 counties
• 
  Castilleja rubicundula (Jeps.) T.I. Chuang & Heckard ssp. lithospermoides (Benth.) T.I. Chuang & Heckard Native CARUL

  cream sacs · Scrophulariaceae 19 counties
• 
  Castilleja rubicundula (Jeps.) T.I. Chuang & Heckard ssp. rubicundula Native CARUR2

  cream sacs · Scrophulariaceae 4 counties
• 
  Castilleja schizotricha Greenm. Native CASC20

  splithair Indian paintbrush · Scrophulariaceae 1 county
• 
  Castilleja subinclusa Greene Native CASU10

  longleaf Indian paintbrush · Scrophulariaceae 27 counties
• 
  Castilleja subinclusa Greene ssp. franciscana (Pennell) T.I. Chuang & Heckard Native CASUF2

  longleaf Indian paintbrush · Scrophulariaceae 17 counties
• 
  Castilleja subinclusa Greene ssp. subinclusa Native CASUS7

  longleaf Indian paintbrush · Scrophulariaceae 10 counties
• 
  Castilleja tenuis (A. Heller) T.I. Chuang & Heckard Native CATE26

  hairy Indian paintbrush · Scrophulariaceae 28 counties
• 
  Catalpa bignonioides Walter Native CABI8

  southern catalpa · Bignoniaceae 8 counties
• 
  Caulanthus amplexicaulis S. Watson Native CAAM11

  claspingleaf wild cabbage · Brassicaceae 8 counties
• 
  Caulanthus amplexicaulis S. Watson var. amplexicaulis Native CAAMA

  claspingleaf wild cabbage · Brassicaceae 6 counties
• 
  Caulanthus amplexicaulis S. Watson var. barbarae (J.T. Howell) Munz Native CAAMB

  claspingleaf wild cabbage · Brassicaceae 1 county
• 
  Caulanthus anceps Payson Native CAAN25

  Lemmon's mustard · Brassicaceae 11 counties
• 
  Caulanthus cooperi (S. Watson) Payson Native CACO18

  Cooper's wild cabbage · Brassicaceae 7 counties
• 
  Caulanthus coulteri S. Watson Native CACO38

  Coulter's wild cabbage · Brassicaceae 15 counties
• 
  Caulanthus crassicaulis (Torr.) S. Watson Native CACR11

  thickstem wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus crassicaulis (Torr.) S. Watson var. crassicaulis Native CACRC

  thickstem wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus crassicaulis (Torr.) S. Watson var. glaber M.E. Jones Native CACRG

  thickstem wild cabbage · Brassicaceae 1 county
• 
  Caulanthus glaucus S. Watson Native CAGL12

  glaucous wild cabbage · Brassicaceae 2 counties
• 
  Caulanthus hallii Payson Native CAHA8

  Hall's wild cabbage · Brassicaceae 2 counties
• 
  Caulanthus heterophyllus (Nutt.) Payson Native CAHE11

  San Diego wild cabbage · Brassicaceae 9 counties
• 
  Caulanthus inflatus S. Watson Native CAIN15

  desert candle · Brassicaceae 9 counties
• 
  Caulanthus lemmonii S. Watson Native CALE25

  Lemmon's wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus major (M.E. Jones) Payson Native CAMA17

  slender wild cabbage · Brassicaceae 6 counties
• 
  Caulanthus major (M.E. Jones) Payson var. major Native CAMAM14

  slender wild cabbage · Brassicaceae 2 counties
• 
  Caulanthus major (M.E. Jones) Payson var. nevadensis Rollins Native CAMAN

  slender wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus pilosus S. Watson Native CAPI4

  hairy wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus simulans Payson Native CASI5

  Payson's wild cabbage · Brassicaceae 2 counties
• 
  Caulostramina jaegeri (Rollins) Rollins Native CAJA5

  cliffdweller · Brassicaceae 1 county
• 
  Ceanothus arboreus Greene Native CEAR

  feltleaf ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus confusus J.T. Howell Native CECO6

  Rincon Ridge ceanothus · Rhamnaceae 4 counties
• ⚘
  Ceanothus connivens Greene Native CECO2

  trailing buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus cordulatus Kellogg Native CECO

  whitethorn ceanothus · Rhamnaceae 32 counties
• 
  Ceanothus crassifolius Torr. Native CECR

  hoaryleaf ceanothus · Rhamnaceae 8 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. Native CECU

  buckbrush · Rhamnaceae 51 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. cuneatus Native CECUC3

  buckbrush · Rhamnaceae 51 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. fascicularis (McMinn) Hoover Native CECUF2

  sedgeleaf buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. rigidus (Nutt.) Hoover Native CECUR2

  Monterey ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus cyaneus Eastw. Native CECY

  San Diego buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus dentatus Torr. & A. Gray Native CEDE

  sandscrub ceanothus · Rhamnaceae 9 counties
• 
  Ceanothus divergens Parry Native CEDI

  Calistoga ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus diversifolius Kellogg Native CEDI2

  pinemat · Rhamnaceae 20 counties