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 701–750 of 1,412 (introduced).

• 
  Lactuca sativa L. Introduced LASA3

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

  prickly lettuce · Asteraceae 49 counties
• 
  Lactuca virosa L. Introduced LAVI8

  bitter lettuce · Asteraceae 5 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
• 
  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 squarrosa (Retz.) Dumort. Introduced LASQ

  European stickseed · Boraginaceae 2 counties
• 
  Lapsana communis L. Introduced LACO3

  common nipplewort · Asteraceae 9 counties
• 
  Lasiospermum bipinnatum (Thunb.) Druce Introduced LABI5

  cocoonhead · Asteraceae 1 county
• 
  Lathyrus angulatus L. Introduced LAAN3

  angled pea · Fabaceae 3 counties
• 
  Lathyrus aphaca L. Introduced LAAP2

  yellow pea · Fabaceae 4 counties
• 
  Lathyrus cicera L. Introduced LACI

  red pea · Fabaceae 6 counties
• 
  Lathyrus hirsutus L. Introduced LAHI2

  Caley pea · Fabaceae 7 counties
• 
  Lathyrus latifolius L. Introduced LALA4

  perennial pea · Fabaceae 19 counties
• 
  Lathyrus odoratus L. Introduced LAOD

  sweetpea · Fabaceae 9 counties
• 
  Lathyrus sativus L. Introduced LASA2

  white pea · Fabaceae 2 counties
• 
  Lathyrus sphaericus Retz. Introduced LASP2

  grass pea · Fabaceae 4 counties
• 
  Lathyrus tingitanus L. Introduced LATI

  Tangier pea · Fabaceae 16 counties
• 
  Laurus nobilis L. Introduced LANO80

  sweet bay · Lauraceae 3 counties
• 
  Lavandula stoechas L. Introduced LAST9

  French lavender · Lamiaceae 2 counties
• 
  Lavatera arborea L. Introduced LAAR2

  tree mallow · Malvaceae 10 counties
• 
  Lavatera cretica L. Introduced LACR

  Cornish mallow · Malvaceae 18 counties
• 
  Lavatera olbia L. Introduced LAOL2

  tree lavatera · Malvaceae 2 counties
• 
  Lavatera trimestris L. Introduced LATR3

  annual mallow · Malvaceae 1 county
• 
  Legousia speculum-veneris (L.) Fisch. ex A. DC. Introduced LESP2

  European Venus' looking glass · Campanulaceae 1 county
• 
  Lens culinaris Medik. Introduced LECU2

  lentil · Fabaceae 2 counties
• 
  Leonotis leonurus (L.) R. Br. Introduced LELE3

  lion's ear · Lamiaceae 1 county
• 
  Leontodon muelleri (Sch. Bip.) Fiori Introduced LEMU13

  Mueller's hawkbit · Asteraceae 1 county
• 
  Leontodon taraxacoides (Vill.) Mérat Introduced LETA

  lesser hawkbit · Asteraceae 24 counties
• 
  Leontodon taraxacoides (Vill.) Mérat ssp. longirostris Finch & Sell Introduced LETAL

  lesser hawkbit · Asteraceae 7 counties
• 
  Leontodon taraxacoides (Vill.) Mérat ssp. taraxacoides Introduced LETAT

  lesser hawkbit · Asteraceae 10 counties
• 
  Lepidium campestre (L.) W.T. Aiton Introduced LECA5

  field pepperweed · Brassicaceae 13 counties
• 
  Lepidium heterophyllum Benth. Introduced LEHE2

  purpleanther field pepperweed · Brassicaceae 4 counties
• 
  Lepidium latifolium L. Introduced LELA2

  broadleaved pepperweed · Brassicaceae 52 counties
• 
  Lepidium perfoliatum L. Introduced LEPE2

  clasping pepperweed · Brassicaceae 25 counties
• 
  Lepidium pinnatifidum Ledeb. Introduced LEPI

  featherleaf pepperweed · Brassicaceae 7 counties
• 
  Lepidium ruderale L. Introduced LERU

  roadside pepperweed · Brassicaceae 1 county
• 
  Leptospermum laevigatum (Sol. ex Gaertn.) F. Muell. Introduced LELA29

  Australian teatree · Myrtaceae 3 counties
• 
  Leucaena leucocephala (Lam.) de Wit Introduced LELE10

  white leadtree · Fabaceae 1 county
• 
  Leucaena leucocephala (Lam.) de Wit ssp. glabrata (Rose) S. Zárate Introduced LELEG

  white leadtree · Fabaceae 1 county
• 
  Leucanthemum maximum (Ramond) DC. Introduced LEMA8

  max chrysanthemum · Asteraceae 6 counties