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 5,251–5,300 of 9,954.

• 
  Kickxia elatine (L.) Dumort. Introduced KIEL

  sharpleaf cancerwort · Scrophulariaceae 25 counties
• 
  Kickxia spuria (L.) Dumort. Introduced KISP

  roundleaf cancerwort · Scrophulariaceae 19 counties
• 
  Kniphofia uvaria (L.) Oken Introduced KNUV80

  redhot poker · Liliaceae 9 counties
• 
  Kobresia myosuroides (Vill.) Fiori Native KOMY

  Bellardi bog sedge · Cyperaceae 1 county
• 
  Koeberlinia spinosa Zucc. Native KOSP

  crown of thorns · Capparaceae 1 county
• 
  Koeberlinia spinosa Zucc. var. tenuispina Kearney & Peebles Native KOSPT

  crown of thorns · Capparaceae 1 county
• 
  Koeleria macrantha (Ledeb.) Schult. Native KOMA

  prairie Junegrass · Poaceae 40 counties
• 
  Krameria erecta Willd. ex Schult. Native KRER

  littleleaf ratany · Krameriaceae 5 counties
• 
  Krameria grayi Rose & Painter Native KRGR

  white ratany · Krameriaceae 4 counties
• 
  Krascheninnikovia lanata (Pursh) A. Meeuse & Smit Native KRLA2

  winterfat · Chenopodiaceae 10 counties
• 
  Kumlienia hystricula (A. Gray) Greene Native KUHY

  waterfall false buttercup · Ranunculaceae 13 counties
• 
  Kyhosia bolanderi (A. Gray) B.G. Baldw. Native KYBO

  Bolander's madia · Asteraceae 16 counties
• 
  Kyllinga brevifolia Rottb. Native KYBR

  shortleaf spikesedge · Cyperaceae 5 counties
• 
  Lactuca biennis (Moench) Fernald Native LABI

  tall blue lettuce · Asteraceae 5 counties
• 
  Lactuca canadensis L. Native LACA

  Canada lettuce · Asteraceae 5 counties
• 
  Lactuca ludoviciana (Nutt.) Riddell Native LALU

  biannual lettuce · Asteraceae 5 counties
• 
  Lactuca saligna L. Introduced LASA

  willowleaf lettuce · Asteraceae 28 counties
• 
  Lactuca sativa L. Introduced LASA3

  garden lettuce · Asteraceae 11 counties
• 
  Lactuca serriola L. Introduced LASE

  prickly lettuce · Asteraceae 49 counties
• 
  Lactuca tatarica (L.) C.A. Mey. Native LATA

  blue lettuce · Asteraceae 8 counties
• 
  Lactuca tatarica (L.) C.A. Mey. var. pulchella (Pursh) Breitung Native LATAP

  blue lettuce · Asteraceae 8 counties
• 
  Lactuca virosa L. Introduced LAVI8

  bitter lettuce · Asteraceae 5 counties
• 
  Laennecia coulteri (A. Gray) G.L. Nesom Native LACO13

  Coulter's horseweed · Asteraceae 21 counties
• 
  Lagophylla diabolensis B.G. Baldwin Native LADI6

  Diablo hareleaf · Asteraceae 3 counties
• 
  Lagophylla dichotoma Benth. Native LADI

  forked hareleaf · Asteraceae 7 counties
• 
  Lagophylla glandulosa A. Gray Native LAGL

  glandular hareleaf · Asteraceae 17 counties
• 
  Lagophylla minor (D.D. Keck) D.D. Keck Native LAMI

  lesser hareleaf · Asteraceae 10 counties
• 
  Lagophylla ramosissima Nutt. Native LARA

  branched lagophylla · Asteraceae 45 counties
• 
  Lagophylla ramosissima Nutt. ssp. congesta (Greene) D.D. Keck Native LARAC

  branched lagophylla · Asteraceae 12 counties
• 
  Lagophylla ramosissima Nutt. ssp. ramosissima Native LARAR

  branched lagophylla · Asteraceae 10 counties
• 
  Lagunaria patersonia (Andrews ) G. Don Introduced LAPA

  cow itch tree · Malvaceae 1 county
• 
  Lagurus ovatus L. Introduced LAOV

  harestail grass · Poaceae 7 counties
• 
  Lamarckia aurea (L.) Moench Introduced LAAU

  goldentop grass · Poaceae 23 counties
• 
  Lamiastrum galeobdolon (L.) Ehrend. & Polatschek Introduced LAGA2

  yellow archangel · Lamiaceae 1 county
• 
  Lamium amplexicaule L. Introduced LAAM

  henbit deadnettle · Lamiaceae 43 counties
• 
  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae 6 counties
• 
  Lamium purpureum L. var. purpureum Introduced LAPUP

  purple deadnettle · Lamiaceae 6 counties
• 
  Lampranthus coccineus (Haw.) N.E. Br. Introduced LACO5

  redflush · Aizoaceae 1 county
• 
  Lampranthus multiradiatus (Jacq.) N.E. Br. Introduced LAMU3

  creeping redflush · Aizoaceae 1 county
• 
  Landoltia punctata (G. Mey.) D.H. Les & D.J. Crawford Native LAPU12

  dotted duckmeat · Lemnaceae 9 counties
• 
  Langloisia setosissima (Torr. & A. Gray ex Torr.) Greene Native LASE3

  Great Basin langloisia · Polemoniaceae 7 counties
• 
  Langloisia setosissima (Torr. & A. Gray ex Torr.) Greene ssp. punctata (A. Gray ex Coville) Timbrook Native LASEP

  Great Basin langloisia · Polemoniaceae 5 counties
• 
  Langloisia setosissima (Torr. & A. Gray ex Torr.) Greene ssp. setosissima Native LASES

  Great Basin langloisia · Polemoniaceae 5 counties
• 
  Lantana camara L. Introduced LACA2

  lantana · Verbenaceae 2 counties
• 
  Lantana montevidensis (Spreng.) Briq. Introduced LAMO2

  trailing shrubverbena · Verbenaceae 4 counties
• 
  Laportea aestuans (L.) Chew Introduced LAAE

  West Indian woodnettle · Urticaceae 1 county
• 
  Lappula occidentalis (S. Watson) Greene Native LAOC3

  flatspine stickseed · Boraginaceae 8 counties
• 
  Lappula occidentalis (S. Watson) Greene var. cupulata (A. Gray) Higgins Native LAOCC

  flatspine stickseed · Boraginaceae 4 counties
• 
  Lappula occidentalis (S. Watson) Greene var. occidentalis Native LAOCO

  flatspine stickseed · Boraginaceae 8 counties
• 
  Lappula squarrosa (Retz.) Dumort. Introduced LASQ

  European stickseed · Boraginaceae 2 counties