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 2,501–2,550 of 8,499 (native).

• 
  Cuscuta salina Engelm. var. papillata Yunck. Native CUSAP

  goldenthread · Cuscutaceae 5 counties
• 
  Cuscuta salina Engelm. var. salina Native CUSAS

  saltmarsh dodder · Cuscutaceae 13 counties
• 
  Cuscuta suksdorfii Yunck. Native CUSU3

  mountain dodder · Cuscutaceae 4 counties
• 
  Cuscuta suksdorfii Yunck. var. subpedicellata Native CUSUS

  mountain dodder · Cuscutaceae 2 counties
• 
  Cuscuta veatchii Brandegee Native CUVE2

  Veatch's dodder · Cuscutaceae 2 counties
• 
  Cusickiella douglasii (A. Gray) Rollins Native CUDO3

  alkali cusickiella · Brassicaceae 9 counties
• 
  Cusickiella quadricostata (Rollins) Rollins Native CUQU

  Bodie Hills cusickiella · Brassicaceae 1 county
• 
  Cycladenia humilis Benth. Native CYHU

  Sacramento waxydogbane · Apocynaceae 17 counties
• 
  Cycladenia humilis Benth. var. humilis Native CYHUH

  Sacramento waxydogbane · Apocynaceae 10 counties
• 
  Cycladenia humilis Benth. var. venusta (Eastw.) Woodson ex Munz Native CYHUV

  Sacramento waxydogbane · Apocynaceae 5 counties
• 
  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae 7 counties
• 
  Cylindropuntia acanthocarpa (Engelm. & J.M. Bigelow) F.M. Knuth Native CYAC8

  buck-horn cholla · Cactaceae 5 counties
• 
  Cylindropuntia acanthocarpa (Engelm. & J.M. Bigelow) F.M. Knuth var. coloradensis (L.D. Benson) Pinkava Native CYACC2

  Colorado buckhorn cholla · Cactaceae 5 counties
• 
  Cylindropuntia bigelovii (Engelm.) F.M. Knuth Native CYBI9

  teddybear cholla · Cactaceae 3 counties
• 
  Cylindropuntia californica (Torr. & A. Gray) F.M. Knuth Native CYCA25

  California cholla · Cactaceae 7 counties
• 
  Cylindropuntia californica (Torr. & A. Gray) F.M. Knuth var. californica Native CYCAC

  California pricklypear · Cactaceae 2 counties
• 
  Cylindropuntia californica (Torr. & A. Gray) F.M. Knuth var. parkeri (J.M. Coult.) J. Rebman Native CYCAP5

  brownspined pricklypear · Cactaceae 7 counties
• 
  Cylindropuntia echinocarpa (Engelm. & J.M. Bigelow) F.M. Knuth Native CYEC3

  Wiggins' cholla · Cactaceae 8 counties
• 
  Cylindropuntia ganderi (C.B. Wolf) J. Rebman Native CYGA5

  Gander's buckhorn cholla · Cactaceae 1 county
• 
  Cylindropuntia munzii (C.B. Wolf) Backeb. Native CYMU12

  Munz's cholla · Cactaceae 2 counties
• 
  Cylindropuntia prolifera (Engelm.) F.M. Knuth Native CYPR19

  coastal cholla · Cactaceae 5 counties
• 
  Cylindropuntia ramosissima (Engelm.) F.M. Knuth Native CYRA9

  branched pencil cholla · Cactaceae 6 counties
• 
  Cylindropuntia wolfii (L.D. Benson) J. Rebman Native CYWO

  Wolf's opuntia · Cactaceae 2 counties
• 
  Cylindropuntia ×fosbergii (C.B. Wolf) Backeb. [bigelovii × echinocarpa] Native CYFO4

  Hoffmann's teddybear cholla · Cactaceae 1 county
• 
  Cymopterus aboriginum M.E. Jones Native CYAB

  Indian springparsley · Apiaceae 2 counties
• 
  Cymopterus cinerarius A. Gray Native CYCI2

  gray springparsley · Apiaceae 2 counties
• 
  Cymopterus corrugatus M.E. Jones Native CYCO4

  wrinklewing springparsley · Apiaceae 1 county
• 
  Cymopterus deserticola Brandegee Native CYDE

  desert springparsley · Apiaceae 3 counties
• 
  Cymopterus gilmanii Morton Native CYGI

  Gilman's springparsley · Apiaceae 2 counties
• 
  Cymopterus globosus (S. Watson) S. Watson Native CYGL2

  globe springparsley · Apiaceae 1 county
• 
  Cymopterus multinervatus (J.M. Coult. & Rose) Tidestr. Native CYMU2

  purplenerve springparsley · Apiaceae 1 county
• 
  Cymopterus nivalis S. Watson Native CYNI3

  snowline springparsley · Apiaceae 1 county
• 
  Cymopterus panamintensis J.M. Coult. & Rose Native CYPA

  Panamint springparsley · Apiaceae 4 counties
• 
  Cymopterus panamintensis J.M. Coult. & Rose var. acutifolius (J.M. Coult. & Rose) Munz Native CYPAA

  Panamint springparsley · Apiaceae 3 counties
• 
  Cymopterus panamintensis J.M. Coult. & Rose var. panamintensis Native CYPAP

  Panamint springparsley · Apiaceae 2 counties
• 
  Cymopterus purpurascens (A. Gray) M.E. Jones Native CYPU

  widewing springparsley · Apiaceae 2 counties
• 
  Cymopterus ripleyi Barneby Native CYRI2

  Ripley's springparsley · Apiaceae 1 county
• 
  Cynanchum utahense (Engelm.) Woodson Native CYUT

  Utah swallow-wort · Asclepiadaceae 4 counties
• 
  Cynoglossum grande Douglas ex Lehm. Native CYGR

  Pacific hound's tongue · Boraginaceae 32 counties
• 
  Cynoglossum occidentale A. Gray Native CYOC

  western hound's tongue · Boraginaceae 22 counties
• 
  Cyperus acuminatus Torr. & Hook. ex Torr. Native CYAC2

  tapertip flatsedge · Cyperaceae 15 counties
• 
  Cyperus bipartitus Torr. Native CYBI6

  slender flatsedge · Cyperaceae 12 counties
• 
  Cyperus eragrostis Lam. Native CYER

  tall flatsedge · Cyperaceae 46 counties
• 
  Cyperus erythrorhizos Muhl. Native CYER2

  redroot flatsedge · Cyperaceae 39 counties
• 
  Cyperus flavescens L. Native CYFL

  yellow flatsedge · Cyperaceae 4 counties
• 
  Cyperus flavicomus Michx. Native CYFL5

  whiteedge flatsedge · Cyperaceae 2 counties
• 
  Cyperus laevigatus L. Native CYLA2

  smooth flatsedge · Cyperaceae 10 counties
• 
  Cyperus ligularis L. Native CYLI

  Alabama swamp flatsedge · Cyperaceae 1 county
• 
  Cyperus niger Ruiz & Pav. Native CYNI2

  black flatsedge · Cyperaceae 29 counties
• 
  Cyperus odoratus L. Native CYOD

  fragrant flatsedge · Cyperaceae 15 counties