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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
Sorghum halepense johnsongrass plant grass widespread n/a (already in CA) WA Weed List
Aegilops cylindrica jointed goatgrass plant grass widespread n/a (already in CA) WA Weed List
Opuntia aurantiaca jointed prickly pear plant herbaceous not present low USDA Plant/Pest
Cortaderia jubata jubatagrass plant grass widespread n/a (already in CA) Cal-IPC list
Echinochloa colona jungle rice plant grass widespread n/a (already in CA) Weeds of CA
Stenolechia bathrodyas juniper gelechiid arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Lophura leucomelana Kalij pheasant vertebrate bird VALUE REQUIRED VALUE REQUIRED Harmful U.S. NIS
Acacia paradoxa kangaroothorn plant woody limited n/a (already in CA) CDFA
Tilletia (neovossia) indica Karnal bunt disease fungus limited n/a (already in CA) EPPO
Birnaviridae Kashmir Bee Virus disease virus limited n/a (already in CA) APHIS OPIS
Poa pratensis Kentucky bluegrass plant grass widespread n/a (already in CA) Cal-IPC list
Trogoderma granarium khapra beetle arthropod beetle not present moderate CDFA (reg. A)
Pennisetum clandestinum kikuyugrass plant grass widespread n/a (already in CA) OR Weed List
Hieracium piloselloides king devil hawkweed plant herbaceous not present moderate MT Weed List
Potos flavus Kinkajou vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Anolis equestris Knight anole vertebrate reptile not present high Cal Code 14:671
Kochia scoparia kochia plant herbaceous widespread n/a (already in CA) Cal-IPC list
Paspalum scrobiculatum Kodo-millet plant grass not present low USDA Plant/Pest
Pueraria montana var. lobata kudzu plant herbaceous not present moderate OR Weed List
Pennisetum pedicellatum Kyasumagrass plant grass not present low USDA Plant/Pest
Epilachna tridecimnotata ladybird beetle arthropod beetle not present high CDFA (reg. A)
Solanum lanceolatum lanceleaf nightshade plant herbaceous limited n/a (already in CA) CDFA
Ludwigia grandiflora large flower primrose willow plant herbaceous limited n/a (already in CA) WA Weed List
Anolis cybotes Large-headed anole vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Prostephanus truncatus larger grain borer arthropod beetle not present moderate CDFA (reg. A)
Hypophthalmichthys harmandi Largescale Carp vertebrate fish not present moderate Cal Code 14:671
Laspeyresia spp. Laspeyresia spp. arthropod butterfly, moth not present high USDA Plant/Pest
Phytophthora infestans Late Blight disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Spodoptera latifascia lateral lined armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Ophiostoma piceaperdum Laural Wilt disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Raffaelea lauricola Laurel Wilt Disease disease fungus not present moderate National IS Info
Estrilda caerulescens Lavender waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Spodoptera mauritia lawn armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Soliva sessilis lawnweed plant herbaceous widespread n/a (already in CA) WA Weed List
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
Entyloma oryzae Leaf Smut of rice disease fungus not present low APHIS OPIS
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
Cerodontha iridophora leafminer fly arthropod fly not present moderate CDFA (reg. A)
Euphorbia esula leafy spurge plant herbaceous limited n/a (already in CA) CDFA
Mustela nivalis Least weasel vertebrate mammal VALUE REQUIRED VALUE REQUIRED Lacey Act
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
Cardaria chalepensis lens-podded white-top plant herbaceous limited n/a (already in CA) CDFA
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Leptographium procerum Leptographium root disease disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Pinnaspis strachani lesser snow scale arthropod scale, aphid not present high CDFA (reg. A)
Helichrysum petiolare licoriceplant plant woody limited n/a (already in CA) Cal-IPC list
Epiphyas postvittana Light brown apple moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. A)
Drymaria arenarioides lightening weed plant herbaceous not present moderate USDA Plant/Pest
Eupteryx decemnotata Ligurian leafhopper arthropod scale, aphid limited n/a (already in CA) FL Dept. of Ag
Ligustrum Mosaic Agents Ligustrum Mosaic Agents disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Amazona finschi Lilac-crowned parrot vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
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
Darna pallivitta limacodid moth arthropod butterfly, moth not present high CDFA (reg. A)
Papilio demoleus lime swallowtail arthropod butterfly, moth not present moderate CDFA (reg. A)
Urochloa panicoides liverseed grass plant grass not present high USDA Plant/Pest
Paratachardina pseudolobata Lobate lac scale arthropod scale, aphid not present high CDFA (reg. A)
Mimosa pellita lollipop mimosa plant woody not present low OR Weed List
Sisymbrium irio London rocket plant herbaceous widespread n/a (already in CA) Cal-IPC list
Ehrharta longiflora long-flowered veldtgrass plant grass limited n/a (already in CA) Cal-IPC list
Physalis longifolia long-leaf groundcherry plant herbaceous not present moderate CDFA
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
Agapornis spp. Lovebird vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Nepovirus lasv Lucerne Australian Symptomless Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Nucleorhabdovirus lev Lucerne enation virus disease virus VALUE REQUIRED VALUE REQUIRED No list
Sminthurus viridus lucerne flea arthropod springtail not present low USDA Plant/Pest
Nepovirus lalv Lucerne Vein Yellowing Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Capripoxvirus lsd Lumpy Skin Disease of Cattle disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Eriophyes litchii lychee erinose mite arthropod mite not present moderate USDA Plant/Pest
Conopomorpha litchiella lychee leaf miner arthropod butterfly, moth not present low CDFA (reg. A)
Lyngbya spp. Lyngbya spp. plant algae VALUE REQUIRED VALUE REQUIRED Hoffman NOAA
Tranes internatus macrozamia borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Senecio madagascariensis Madagascar ragwort plant herbaceous not present moderate USDA Plant/Pest
Pseudaulacaspis cockerelli magnolia white scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Sphenophorus maidis maize billbug arthropod beetle not present moderate CDFA (reg. A)
Tenuivirus mmcsv Maize Mottle/Chlorotic Stunt Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fijivirus mrdv Maize Rough Dwarf Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Monogeminivirus msv Maize Streak Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phoma tracheiphila Mal Secco disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Melastoma malabathricum Malabar melastome plant woody not present low APHIS
Plasmodium falciparum Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium knowlesi Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium malariae Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium ovale Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium vivax Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Centaurea melitensis Malta starthistle plant herbaceous widespread n/a (already in CA) CDFA
Ferrisia malvastra malvastrum mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Aix galericulata Mandarin duck vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Protaetia fusca mango flower beetle arthropod beetle not present moderate CDFA (reg. A)
Cryptorhynchus mangiferae mango seed weevil arthropod beetle not present low USDA Plant/Pest
Sternochetus mangiferae mango seed weevil arthropod beetle not present moderate USDA Plant/Pest
Mabuya multifasciata Many-lined grass skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Maple Mosaic Agent Maple Mosaic Agent disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Maple Variegation Agent Maple Variegation Agent disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus Phlomobacter fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest