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 401–450 of 1,412 (introduced).

• ⚘
  Cynara scolymus L. Introduced CYSC2

  globe artichoke · Asteraceae 8 counties
• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae 43 counties
• 
  Cynodon plectostachyus (K. Schum.) Pilg. Introduced CYPL2

  stargrass · Poaceae 1 county
• 
  Cynodon transvaalensis Burtt Davy Introduced CYTR

  African dogstooth grass · Poaceae 1 county
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae 3 counties
• 
  Cynosurus cristatus L. Introduced CYCR

  crested dogstail grass · Poaceae 6 counties
• 
  Cynosurus echinatus L. Introduced CYEC

  bristly dogstail grass · Poaceae 27 counties
• 
  Cyperus difformis L. Introduced CYDI4

  variable flatsedge · Cyperaceae 25 counties
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae 36 counties
• 
  Cyperus fuscus L. Introduced CYFU3

  brown flatsedge · Cyperaceae 2 counties
• 
  Cyperus gracilis R. Br. Introduced CYGR9

  slimjim flatsedge · Cyperaceae 1 county
• ⚘
  Cyperus involucratus Rottb. Introduced CYIN6

  umbrella plant · Cyperaceae 13 counties
• 
  Cyperus iria L. Introduced CYIR

  ricefield flatsedge · Cyperaceae 2 counties
• 
  Cyperus owanii Boeckeler Introduced CYOW2

  Owan's flatsedge · Cyperaceae 4 counties
• 
  Cyperus papyrus L. Introduced CYPA8

  papyrus · Cyperaceae 1 county
• 
  Cyperus rotundus L. Introduced CYRO

  nutgrass · Cyperaceae 27 counties
• 
  Cypselea humifusa Turp. Introduced CYHU3

  panal · Aizoaceae 15 counties
• 
  Cyrtomium falcatum (L. f.) C. Presl Introduced CYFA2

  Japanese netvein hollyfern · Dryopteridaceae 6 counties
• 
  Cytisus multiflorus (L'Hér.) Sweet Introduced CYMU3

  white spanishbroom · Fabaceae 1 county
• 
  Cytisus scoparius (L.) Link Introduced CYSC4

  Scotch broom · Fabaceae 15 counties
• 
  Cytisus scoparius (L.) Link var. andreanus (Puiss.) Dippel Introduced CYSCA

  Scotch broom · Fabaceae 1 county
• 
  Cytisus scoparius (L.) Link var. scoparius Introduced CYSCS2

  Scotch broom · Fabaceae 1 county
• 
  Cytisus striatus (Hill) Rothm. Introduced CYST7

  striated broom · Fabaceae 3 counties
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae 44 counties
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae 44 counties
• 
  Dactyloctenium aegyptium (L.) Willd. Introduced DAAE

  Egyptian grass · Poaceae 2 counties
• 
  Danthonia decumbens (L.) DC. Introduced DADE

  common heathgrass · Poaceae 1 county
• 
  Datura inoxia Mill. Introduced DAIN2

  pricklyburr · Solanaceae 1 county
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae 32 counties
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae 26 counties
• 
  Delairea odorata Lem. Introduced DEOD

  Cape-ivy · Asteraceae 19 counties
• 
  Delosperma litorale (Kensit) L. Bolus Introduced DELI4

  seaside delosperma · Aizoaceae 7 counties
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae 29 counties
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 5 counties
• 
  Dianthus barbatus L. Introduced DIBA

  sweetwilliam · Caryophyllaceae 2 counties
• 
  Dianthus deltoides L. Introduced DIDE

  maiden pink · Caryophyllaceae 3 counties
• 
  Dichondra micrantha Urb. Introduced DIMI

  Asian ponysfoot · Convolvulaceae 5 counties
• 
  Digitalis purpurea L. Introduced DIPU

  purple foxglove · Scrophulariaceae 18 counties
• 
  Digitalis purpurea L. ssp. purpurea Introduced DIPUP2

  purple foxglove · Scrophulariaceae 18 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 19 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 42 counties
• 
  Dimorphotheca sinuata DC. Introduced DISI4

  glandular Cape marigold · Asteraceae 10 counties
• 
  Diplotaxis muralis (L.) DC. Introduced DIMU2

  annual wallrocket · Brassicaceae 5 counties
• 
  Diplotaxis tenuifolia (L.) DC. Introduced DITE4

  perennial wallrocket · Brassicaceae 5 counties
• 
  Dipogon lignosus (L.) Verdc. Introduced DILI8

  okie bean · Fabaceae 1 county
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 17 counties
• 
  Dipsacus sativus (L.) Honck. Introduced DISA9

  Indian teasel · Dipsacaceae 11 counties
• 
  Dittrichia graveolens (L.) Greuter Introduced DIGR3

  stinkwort · Asteraceae 6 counties
• 
  Dopatrium junceum (Roxb.) Buch.-Ham. ex Benth. Introduced DOJU

  horsefly's eye · Scrophulariaceae 3 counties
• 
  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae 33 counties