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 3,351–3,400 of 9,954.

• 
  Eatonella nivea (D.C. Eaton) A. Gray Native EANI

  white false tickhead · Asteraceae 4 counties
• 
  Echinocactus polycephalus Engelm. & J.M. Bigelow Native ECPO2

  cottontop cactus · Cactaceae 6 counties
• 
  Echinocactus polycephalus Engelm. & J.M. Bigelow var. polycephalus Native ECPOP

  cottontop cactus · Cactaceae 6 counties
• 
  Echinocereus engelmannii (Parry ex Engelm.) Lem. Native ECEN

  Engelmann's hedgehog cactus · Cactaceae 6 counties
• 
  Echinocereus engelmannii (Parry ex Engelm.) Lem. var. chrysocentrus (Engelm. & J.M. Bigelow) Rümpler Native ECENC

  Engelmann's hedgehog cactus · Cactaceae 2 counties
• 
  Echinocereus engelmannii (Parry ex Engelm.) Lem. var. engelmannii Native ECENE

  Engelmann's hedgehog cactus · Cactaceae 1 county
• 
  Echinocereus engelmannii (Parry ex Engelm.) Lem. var. howei L.D. Benson Native ECENH

  Howe's hedgehog cactus · Cactaceae 1 county
• 
  Echinocereus engelmannii (Parry ex Engelm.) Lem. var. munzii (Parish) Pierce & Fosberg Native ECENM

  Munz's hedgehog cactus · Cactaceae 1 county
• ⚘
  Echinocereus mojavensis (Engelm. & J.M. Bigelow) Rümpler Native ECMO

  Mojave kingcup cactus · Cactaceae 4 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. Both ECCR2

  gulf cockspur grass · Poaceae 12 counties
• 
  Echinochloa crus-pavonis (Kunth) Schult. var. crus-pavonis Introduced ECCRC2

  gulf cockspur grass · Poaceae 1 county
• 
  Echinochloa crus-pavonis (Kunth) Schult. var. macera (Wiegand) Gould Native ECCRM

  gulf cockspur grass · Poaceae 3 counties
• 
  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 muricata (P. Beauv.) Fernald Native ECMU2

  rough barnyardgrass · Poaceae 5 counties
• 
  Echinochloa muricata (P. Beauv.) Fernald var. muricata Native ECMUM2

  rough barnyardgrass · 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
• 
  Echinodorus berteroi (Spreng.) Fassett Native ECBE2

  upright burhead · Alismataceae 24 counties
• 
  Echinomastus johnsonii (Parry ex Engelm.) E.M. Baxter Native ECJO3

  Johnson's fishhook cactus · Cactaceae 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
• 
  Eclipta prostrata (L.) L. Native ECPR

  false daisy · Asteraceae 23 counties
• 
  Egeria densa Planch. Introduced EGDE

  Brazilian waterweed · Hydrocharitaceae 10 counties
• 
  Ehrendorferia chrysantha (Hook. & Arn.) Rylander Native EHCH

  golden eardrops · Fumariaceae 27 counties
• 
  Ehrendorferia ochroleuca (Engelm.) Fukuhara Native EHOC

  yellow bleeding heart · Fumariaceae 7 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 brachysperma A. Gray Native ELBR5

  shortseed waterwort · Elatinaceae 29 counties
• 
  Elatine californica A. Gray Native ELCA

  California waterwort · Elatinaceae 21 counties
• 
  Elatine chilensis A. Gray Introduced ELCH

  Chilean waterwort · Elatinaceae 14 counties
• 
  Elatine heterandra H. Mason Native ELHE2

  mosquito waterwort · Elatinaceae 13 counties
• 
  Elatine rubella Rydb. Native ELRU

  southwestern waterwort · Elatinaceae 8 counties
• 
  Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

  needle spikerush · Cyperaceae 44 counties
• 
  Eleocharis acicularis (L.) Roem. & Schult. var. acicularis Native ELACA

  needle spikerush · Cyperaceae 44 counties
• 
  Eleocharis atropurpurea (Retz.) J. Presl & C. Presl Native ELAT

  purple spikerush · Cyperaceae 4 counties
• 
  Eleocharis bella (Piper) Svens. Native ELBE

  beautiful spikerush · Cyperaceae 28 counties
• 
  Eleocharis bolanderi A. Gray Native ELBO

  Bolander's spikerush · Cyperaceae 7 counties
• 
  Eleocharis decumbens C.B. Clarke Native ELDE2

  decumbent spikerush · Cyperaceae 3 counties
• 
  Eleocharis engelmannii Steud. Native ELEN

  Engelmann's spikerush · Cyperaceae 13 counties
• 
  Eleocharis flavescens (Poir.) Urb. Native ELFL

  yellow spikerush · Cyperaceae 2 counties
• 
  Eleocharis flavescens (Poir.) Urb. var. thermalis (Rydb.) Cronquist Native ELFLT

  yellow spikerush · Cyperaceae 2 counties