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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. Please use the comment form below to let us know about: taxa that should be added or removed; species information that you would change; and species that you think should be a high priority for having a scorecard completed (choose Review Scorecards to see the list of scorecards already drafted). Make sure to click Save. Previous comments are displayed at the bottom of the page.

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 Namesort icon Type Subtype Extent Risk of Introduction First Source
Pseudaulacaspis cockerelli magnolia white scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Senecio madagascariensis Madagascar ragwort plant herbaceous not present moderate USDA Plant/Pest
Tranes internatus macrozamia borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Lyngbya spp. Lyngbya spp. plant algae VALUE REQUIRED VALUE REQUIRED Hoffman NOAA
Conopomorpha litchiella lychee leaf miner arthropod butterfly, moth not present low CDFA (reg. A)
Eriophyes litchii lychee erinose mite arthropod mite not present moderate USDA Plant/Pest
Capripoxvirus lsd Lumpy Skin Disease of Cattle disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Nepovirus lalv Lucerne Vein Yellowing Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Sminthurus viridus lucerne flea arthropod springtail not present low USDA Plant/Pest
Nucleorhabdovirus lev Lucerne enation virus disease virus VALUE REQUIRED VALUE REQUIRED No list
Nepovirus lasv Lucerne Australian Symptomless Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Agapornis spp. Lovebird vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Lepstosteus lucius Longnose Gar vertebrate fish not present high Cal Code 14:671
Lepisosteus osseus Longnose Gar vertebrate fish not present moderate Cal Code 14:671
Physalis longifolia long-leaf groundcherry plant herbaceous not present moderate CDFA
Ehrharta longiflora long-flowered veldtgrass plant grass limited n/a (already in CA) Cal-IPC list
Sisymbrium irio London rocket plant herbaceous widespread n/a (already in CA) Cal-IPC list
Mimosa pellita lollipop mimosa plant woody not present low OR Weed List
Paratachardina pseudolobata Lobate lac scale arthropod scale, aphid not present high CDFA (reg. A)
Urochloa panicoides liverseed grass plant grass not present high USDA Plant/Pest
Papilio demoleus lime swallowtail arthropod butterfly, moth not present moderate CDFA (reg. A)
Darna pallivitta limacodid moth arthropod butterfly, moth not present high CDFA (reg. A)
Begomovirus lgmv Lima Bean Golden Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Bigeminivirus lgmv Lima Bean Golden Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Amazona finschi Lilac-crowned parrot vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Ligustrum Mosaic Agents Ligustrum Mosaic Agents disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Eupteryx decemnotata Ligurian leafhopper arthropod scale, aphid limited n/a (already in CA) FL Dept. of Ag
Drymaria arenarioides lightening weed plant herbaceous not present moderate USDA Plant/Pest
Epiphyas postvittana Light brown apple moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. A)
Helichrysum petiolare licoriceplant plant woody limited n/a (already in CA) Cal-IPC list
Pinnaspis strachani lesser snow scale arthropod scale, aphid not present high CDFA (reg. A)
Leptographium procerum Leptographium root disease disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Cardaria chalepensis lens-podded white-top plant herbaceous limited n/a (already in CA) CDFA
Acrolepia assectella leek moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Acrolepiopsis assectella leek moth arthropod butterfly, moth not present high USDA Plant/Pest
Mustela nivalis Least weasel vertebrate mammal VALUE REQUIRED VALUE REQUIRED Lacey Act
Euphorbia esula leafy spurge plant herbaceous limited n/a (already in CA) CDFA
Cerodontha iridophora leafminer fly arthropod fly not present moderate CDFA (reg. A)
Diaporthe mali Leaf, Branch, and Fruit Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia piricola Leaf, Branch, and Fruit Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Entyloma oryzae Leaf Smut of rice disease fungus not present low APHIS OPIS
Chrysolina bankii leaf beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Exosoma lusitanica leaf beetle arthropod beetle not present high USDA Plant/Pest
Soliva sessilis lawnweed plant herbaceous widespread n/a (already in CA) WA Weed List
Spodoptera mauritia lawn armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Estrilda caerulescens Lavender waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Raffaelea lauricola Laurel Wilt Disease disease fungus not present moderate National IS Info
Ophiostoma piceaperdum Laural Wilt disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Spodoptera latifascia lateral lined armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Phytophthora infestans Late Blight disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Laspeyresia spp. Laspeyresia spp. arthropod butterfly, moth not present high USDA Plant/Pest
Hypophthalmichthys harmandi Largescale Carp vertebrate fish not present moderate Cal Code 14:671
Prostephanus truncatus larger grain borer arthropod beetle not present moderate CDFA (reg. A)
Anolis cybotes Large-headed anole vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Ludwigia grandiflora large flower primrose willow plant herbaceous limited n/a (already in CA) WA Weed List
Solanum lanceolatum lanceleaf nightshade plant herbaceous limited n/a (already in CA) CDFA
Epilachna tridecimnotata ladybird beetle arthropod beetle not present high CDFA (reg. A)
Pennisetum pedicellatum Kyasumagrass plant grass not present low USDA Plant/Pest
Pueraria montana var. lobata kudzu plant herbaceous not present moderate OR Weed List
Paspalum scrobiculatum Kodo-millet plant grass not present low USDA Plant/Pest
Kochia scoparia kochia plant herbaceous widespread n/a (already in CA) Cal-IPC list
Anolis equestris Knight anole vertebrate reptile not present high Cal Code 14:671
Potos flavus Kinkajou vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Hieracium piloselloides king devil hawkweed plant herbaceous not present moderate MT Weed List
Pennisetum clandestinum kikuyugrass plant grass widespread n/a (already in CA) OR Weed List
Trogoderma granarium khapra beetle arthropod beetle not present moderate CDFA (reg. A)
Poa pratensis Kentucky bluegrass plant grass widespread n/a (already in CA) Cal-IPC list
Birnaviridae Kashmir Bee Virus disease virus limited n/a (already in CA) APHIS OPIS
Tilletia (neovossia) indica Karnal bunt disease fungus limited n/a (already in CA) EPPO
Acacia paradoxa kangaroothorn plant woody limited n/a (already in CA) CDFA
Lophura leucomelana Kalij pheasant vertebrate bird VALUE REQUIRED VALUE REQUIRED Harmful U.S. NIS
Stenolechia bathrodyas juniper gelechiid arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Echinochloa colona jungle rice plant grass widespread n/a (already in CA) Weeds of CA
Cortaderia jubata jubatagrass plant grass widespread n/a (already in CA) Cal-IPC list
Opuntia aurantiaca jointed prickly pear plant herbaceous not present low USDA Plant/Pest
Aegilops cylindrica jointed goatgrass plant grass widespread n/a (already in CA) WA Weed List
Sorghum halepense johnsongrass plant grass widespread n/a (already in CA) WA Weed List
Acrochordus javanicus Javan filesnake vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Padda oryzivora Java sparrow vertebrate bird not present low Lacey Act
Jasmine Variegation Agents Jasmine Variegation Agents disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Glandirana rugosa Japanese wrinkled frog vertebrate amphibian not present moderate Witmer et al
Zosterops japonica Japanese White-eye vertebrate bird not present high Cal Code 14:671
Cirsium japonicum Japanese thistle plant herbaceous not present low CDFA
Macaca fuscata Japanese macaque vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Venerupsis phillipinarus Japanese littleneck clam invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Polygonum cuspidatum Japanese knotweed plant woody limited n/a (already in CA) CDFA
Flavivirus jev Japanese Encephalitis Virus disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Zostera japonica Japanese eelgrass plant herbaceous limited n/a (already in CA) CDFA
Cuscuta japonica Japanese dodder plant herbaceous limited n/a (already in CA) CDFA
Cettia diphone Japanese bush warbler vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Bromus japonicus Japanese brome plant grass widespread n/a (already in CA) Cal-IPC list
Popillia japonica Japanese beetle arthropod beetle not present high CDFA (reg. A)
Anolis garmani Jamaican giant anole vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Felis yagouaroundi Jaguarundi vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Chamaeleo jacksonii Jackson’s chameleon vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Rottboellia cochinchinensis itchgrass plant grass not present moderate USDA Plant/Pest
Podarcis sicula Italian wall lizard vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Carduus pycnocephalus Italian thistle plant herbaceous widespread n/a (already in CA) CDFA
Lolium multiflorum Italian ryegrass plant grass widespread n/a (already in CA) Cal-IPC list