Invasive Species List

Species List Information

CISAC has compiled the list below of over 1,700 species known to be invasive in California or a potential threat for introduction to the state.

Download Species List (.csv) (to open in a Spreadsheet program)

This data download is provided to aid in the review of the draft invasive species list. We discourage other use of this data until it has been revised and finalized.

Scientific Name Common Name Type Subtype Extent Risk of Introduction Link
Lampides boeticus bean butterfly arthropod butterfly, moth not present moderate
Lampropholis delicate Plague skink vertebrate reptile
Laspeyresia spp. Laspeyresia spp. arthropod butterfly, moth not present high View Scorecard
Leiocephalus carinatus Northern curlytail lizard vertebrate reptile
Leiocephalus schreibersii Red-sided curlytail lizard vertebrate reptile
Leiolepis belliana Butterfly lizard vertebrate reptile
Leiothrix lutea Red-billed leiothrix vertebrate bird
Lepidium latifolium perennial pepperweed plant herbaceous widespread n/a (already in CA) View Scorecard
Lepidodactylus lugubris Mourning gecko vertebrate reptile
Lepidosaphes beckii purple scale arthropod scale, aphid limited n/a (already in CA)
Lepidosaphes maskelli Maskell scale arthropod scale, aphid limited n/a (already in CA)
Lepisosteus osseus Longnose Gar vertebrate fish not present moderate View Scorecard
Lepstosteus lucius Longnose Gar vertebrate fish not present high
Leptinotarsa decemlineata Colorado potato beetle arthropod beetle not present high View Scorecard
Leptochloa chinensis Asian sprangletop plant grass not present moderate
Leptocorisa acuta rice seed bug arthropod scale, aphid not present moderate
Leptocybe invasa Blue gum chalcid arthropod bee, wasp not present high
Leptoglossus chilensis brown Chilean leaf-footed bug arthropod scale, aphid not present moderate
Leptographium procerum Leptographium root disease disease fungus
Leptographium truncatum Root Disease disease fungus
Lepus europaeus European hare vertebrate mammal
Lepus townsendii White-tailed jackrabbit vertebrate mammal
Lepyrodiclis holosteoides false jagged-chickweed plant herbaceous not present low
Lespedeza cuneata sericea lespedeza plant herbaceous not present moderate
Leucanthemum vulgare ox-eye daisy plant herbaceous widespread n/a (already in CA)
Leucinodes orbonalis eggplant fruit borer arthropod butterfly, moth not present moderate
Leucoma salicis satin moth arthropod butterfly, moth limited n/a (already in CA)
Leucoptera malifoliella pear leaf blister moth arthropod butterfly, moth not present moderate
Ligustrum Mosaic Agents Ligustrum Mosaic Agents disease virus
Limnobium laevigatum spongeplant plant herbaceous limited n/a (already in CA)
Limnoperna fortunei Golden mussel invertebrate aquatic mollusk, freshwater not present low View Scorecard
Limnophila indica ambulia plant herbaceous not present moderate
Limnophila sessiliflora blume (ambulia) plant herbaceous not present moderate
Limnoria quadripuncatata Mediterranean gribble invertebrate crustaceans and tunicates limited n/a (already in CA)
Limnoria tripunctata Mediterranean gribble invertebrate crustaceans and tunicates limited n/a (already in CA)
Linaria genistifolia ssp. dalmatica Dalmatian toadflax plant herbaceous limited n/a (already in CA) View Scorecard
Linaria vulgaris yellow toadflax plant herbaceous limited n/a (already in CA)
Liothrips oleae olive thrips arthropod thrips not present moderate View Scorecard
Lipinia noctua Moth skink vertebrate reptile
Liriomyza huidobrensis pea leafminer arthropod fly widespread n/a (already in CA)
Listroderes subcinctus Chilean vegetable weevil arthropod beetle not present high
Littorina littorea Common periwinkle invertebrate aquatic mollusk, marine limited n/a (already in CA)
Littorina saxatilis Rough periwinkle invertebrate aquatic mollusk, marine limited n/a (already in CA)
Llarvirus emov Elm Mottle Virus disease virus
Lobesia botrana European Grapevine Moth arthropod butterfly, moth limited n/a (already in CA) View Scorecard
Lobularia maritima sweet alyssum plant herbaceous limited n/a (already in CA)
Lolium multiflorum Italian ryegrass plant grass widespread n/a (already in CA) View Scorecard
Lomentaria hakodatensis yendo plant algae
Lonchura malabarica Warbling silverbill vertebrate bird
Lonchura malacca Black-headed manikin vertebrate bird
Lonchura punctulata Nutneg manikin vertebrate bird
Lophocateres pusillus Siamese grain borer arthropod beetle not present moderate
Lopholeucaspis cockerelli Cockerell scale arthropod scale, aphid not present high
Lophura leucomelana Kalij pheasant vertebrate bird
Ludwigia grandiflora large flower primrose willow plant herbaceous limited n/a (already in CA)
Ludwigia hexapetala Uruguay water-primrose plant herbaceous widespread n/a (already in CA)
Ludwigia peploides ssp. montevidensis creeping water-primrose plant herbaceous widespread n/a (already in CA)
Ludwigia peruviana water primrose plant herbaceous not present moderate
Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus limited
Luteovirus cav Cotton Anthocyanosis Agent disease virus
Luteovirus isdv Indonesian Soybean Dwarf Virus disease virus
Luteovirus of unassigned genus African Soybean Dwarf Agent disease virus
Luteovirus sbdv Soybean dwarf virus disease virus
Lycium ferocissimum African boxthorn plant herbaceous limited n/a (already in CA)
Lycorma delicatula Spotted lanternfly arthropod scale, aphid not present high View Scorecard
Lydorus pedicellatus Blacktip shipworm invertebrate aquatic mollusk, marine
Lymantria dispar Gypsy moth arthropod butterfly, moth not present moderate View Scorecard
Lymantria spp. exotic moth arthropod butterfly, moth not present moderate
Lymire edwardsii Edwards' wasp moth arthropod butterfly, moth not present low
Lyngbya spp. Lyngbya spp. plant algae
Lysimachia vulgaris garden loosestrife plant herbaceous not present high
Lythrum hyssopifolium hyssop loosestrife plant herbaceous widespread n/a (already in CA)
Lythrum salicaria purple loosestrife plant herbaceous limited n/a (already in CA) View Scorecard
Lythrum virgatum purple loosestrife plant herbaceous not present low
Mabuya multifasciata Many-lined grass skink vertebrate reptile
Macaca fascicularis Crab-eating Monkey vertebrate mammal
Macaca fuscata Japanese macaque vertebrate mammal
Macaca mulatto Rhesus monkey vertebrate mammal
Maconellicoccus hirsutus Pink hibiscus mealybug arthropod scale, aphid limited n/a (already in CA) View Scorecard
Macrodactylus subspinosus rose chafer arthropod beetle not present high
Magicicada septendecim periodical cicada arthropod scale, aphid not present low
Malacosoma americanum eastern tent caterpillar arthropod butterfly, moth not present high
Maladera castanea Asiatic garden beetle arthropod beetle not present high
Malephora crocea coppery mesembryanthemum plant herbaceous limited n/a (already in CA)
Malva neglecta common mallow plant herbaceous widespread n/a (already in CA)
Malva niaceensis bull mallow plant herbaceous widespread n/a (already in CA)
Malva parviflora cheeseweed mallow plant herbaceous widespread n/a (already in CA)
Malva sylvestris high mallow plant herbaceous widespread n/a (already in CA)
Mamestra brassicae cabbage moth arthropod butterfly, moth not present moderate View Scorecard
Mandarivirus icrsv Indian citrus ringspot virus disease virus not present low
Maple Mosaic Agent Maple Mosaic Agent disease virus
Maple Variegation Agent Maple Variegation Agent disease virus
Marrubium vulgare white horehound plant herbaceous widespread n/a (already in CA)
Maruca testulalis bean pod borer arthropod butterfly, moth not present high
Maruca vitrata bean pod borer arthropod butterfly, moth not present high
Massileurodes chittendeni rhodendron whitefly arthropod scale, aphid not present high
Mastomys spp. Multimammate rat or mouse vertebrate mammal not present low
Maytenus boaria mayten plant woody limited n/a (already in CA)
Medicago polymorpha California burclover plant herbaceous widespread n/a (already in CA)
Megalometis chilensis Megalometis chilensis arthropod beetle not present moderate