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 451–500 of 1,412 (introduced).

• 
  Dracunculus vulgaris Schott Introduced DRVU

  common dracunculus · Araceae 2 counties
• 
  Drosanthemum floribundum (Haw.) Schwant. Introduced DRFL2

  showy dewflower · Aizoaceae 9 counties
• 
  Drosanthemum hispidum (L.) Schwant. Introduced DRHI4

  hairy dewflower · Aizoaceae 1 county
• 
  Drosanthemum speciosum (Haw.) Schwant. Introduced DRSP5

  royal dewflower · Aizoaceae 1 county
• 
  Drosera aliciae Raym.-Hamet Introduced DRAL6

  Australian sundew · Droseraceae 1 county
• 
  Drosera capensis L. Introduced DRCA14

  Cape sundew · Droseraceae 1 county
• 
  Duchesnea indica (Andrews) Teschem. Introduced DUIN2

  Indian strawberry · Rosaceae 5 counties
• 
  Dysphania anthelmintica (L.) Mosyakin & Clemants Introduced DYAN2

  wormseed · Chenopodiaceae 4 counties
• 
  Dysphania botrys (L.) Mosyakin & Clemants Introduced DYBO

  Jerusalem oak goosefoot · Chenopodiaceae 35 counties
• 
  Dysphania chilensis (Schrad.) Mosyakin & Clemants Introduced DYCH

  Chilean wormseed · Chenopodiaceae 12 counties
• 
  Dysphania multifida (L.) Mosyakin & Clemants Introduced DYMU

  cutleaf goosefoot · Chenopodiaceae 17 counties
• 
  Dysphania pumilio (R. Br.) Mosyakin & Clemants Introduced DYPU

  clammy goosefoot · Chenopodiaceae 28 counties
• 
  Echinochloa colona (L.) Link Introduced ECCO2

  jungle rice · Poaceae 17 counties
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae 47 counties
• 
  Echinochloa crus-pavonis (Kunth) Schult. var. crus-pavonis Introduced ECCRC2

  gulf cockspur grass · Poaceae 1 county
• 
  Echinochloa esculenta (A. Braun) H. Scholz Introduced ECES

  Japanese millet · Poaceae 3 counties
• ⚘
  Echinochloa frumentacea Link Introduced ECFR

  billion-dollar grass · Poaceae 1 county
• 
  Echinochloa oryzoides (Ard.) Fritsch Introduced ECOR

  early water grass · Poaceae 4 counties
• 
  Echinochloa phyllopogon (Stapf) Koso-Pol. Introduced ECPH

  rice barnyardgrass · Poaceae 2 counties
• 
  Echinops sphaerocephalus L. Introduced ECSP

  great globethistle · Asteraceae 2 counties
• 
  Echium candicans L. f. Introduced ECCA5

  pride of Madeira · Boraginaceae 5 counties
• 
  Echium lusitanicum L. Introduced ECLU

  violet-vein viper's bugloss · Boraginaceae 4 counties
• 
  Echium plantagineum L. Introduced ECPL

  salvation jane · Boraginaceae 5 counties
• 
  Egeria densa Planch. Introduced EGDE

  Brazilian waterweed · Hydrocharitaceae 10 counties
• 
  Ehrharta calycina Sm. Introduced EHCA

  perennial veldtgrass · Poaceae 8 counties
• 
  Ehrharta erecta Lam. Introduced EHER

  panic veldtgrass · Poaceae 8 counties
• 
  Ehrharta longiflora Sm. Introduced EHLO3

  longflowered veldtgrass · Poaceae 1 county
• 
  Eichhornia crassipes (Mart.) Solms Introduced EICR

  common water hyacinth · Pontederiaceae 13 counties
• 
  Elaeagnus angustifolia L. Introduced ELAN

  Russian olive · Elaeagnaceae 9 counties
• 
  Elatine ambigua Wight Introduced ELAM

  Asian waterwort · Elatinaceae 5 counties
• 
  Elatine chilensis A. Gray Introduced ELCH

  Chilean waterwort · Elatinaceae 14 counties
• ⚘
  Eleocharis pachycarpa Desv. Introduced ELPA

  black sand spikerush · Cyperaceae 7 counties
• 
  Eleusine coracana (L.) Gaertn. Introduced ELCO3

  finger millet · Poaceae 6 counties
• 
  Eleusine coracana (L.) Gaertn. ssp. africana (Kennedy & O'Byrne) Hilu & de Wet Introduced ELCOA

  African finger millet · Poaceae 6 counties
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae 7 counties
• 
  Eleusine tristachya (Lam.) Lam. Introduced ELTR2

  threespike goosegrass · Poaceae 2 counties
• 
  Elymus repens (L.) Gould Introduced ELRE4

  quackgrass · Poaceae 46 counties
• 
  Emex australis Steinh. Introduced EMAU

  southern threecornerjack · Polygonaceae 2 counties
• 
  Emex spinosa (L.) Campd. Introduced EMSP

  spiny threecornerjack · Polygonaceae 3 counties
• 
  Emilia fosbergii Nicolson Introduced EMFO

  Florida tasselflower · Asteraceae 2 counties
• 
  Enchylaena tomentosa R. Br. Introduced ENTO3

  ruby saltbush · Chenopodiaceae 1 county
• 
  Ephedra altissima Desf. Introduced EPAL3

  high-climbing jointfir · Ephedraceae 1 county
• 
  Ephedra distachya L. Introduced EPDI2

  jointfir · Ephedraceae 1 county
• 
  Epipactis helleborine (L.) Crantz Introduced EPHE

  broadleaf helleborine · Orchidaceae 11 counties
• 
  Eragrostis barrelieri Daveau Introduced ERBA2

  Mediterranean lovegrass · Poaceae 5 counties
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae 28 counties
• 
  Eragrostis curvula (Schrad.) Nees Introduced ERCU2

  weeping lovegrass · Poaceae 9 counties
• 
  Eragrostis lehmanniana Nees Introduced ERLE

  Lehmann lovegrass · Poaceae 9 counties
• 
  Eragrostis minor Host Introduced ERMI5

  little lovegrass · Poaceae 7 counties
• 
  Eragrostis pilosa (L.) P. Beauv. Introduced ERPI2

  Indian lovegrass · Poaceae 16 counties