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 Name Type Subtype Extent Risk of Introduction First Sourcesort icon
Leptoglossus chilensis brown Chilean leaf-footed bug arthropod scale, aphid not present moderate USDA Plant/Pest
Leucoptera malifoliella pear leaf blister moth arthropod butterfly, moth not present moderate USDA Plant/Pest
Listroderes subcinctus Chilean vegetable weevil arthropod beetle not present high USDA Plant/Pest
Lobesia botrana European Grapevine Moth arthropod butterfly, moth limited n/a (already in CA) USDA Plant/Pest
Maruca vitrata bean pod borer arthropod butterfly, moth not present high USDA Plant/Pest
Metamasius spp. bromeliad weevils arthropod beetle not present moderate USDA Plant/Pest
Mononychellus tanajoa green spider mite arthropod mite not present moderate USDA Plant/Pest
Naupactus xanthographus South American fruit tree weevil arthropod beetle not present moderate USDA Plant/Pest
Neomaskellia bergii sugarcane whitefly arthropod scale, aphid not present high USDA Plant/Pest
Omphisa anastomosalis sweetpotato vine borer arthropod beetle not present moderate USDA Plant/Pest
Opogona sacchari banana moth arthropod butterfly, moth not present high USDA Plant/Pest
Pammene fasciana chestnut leaf roller arthropod butterfly, moth not present low USDA Plant/Pest
Pectinophora scutigera pink-spotted bollworm arthropod butterfly, moth not present high USDA Plant/Pest
Phenococcus manihoti cassava mealybug arthropod scale, aphid not present moderate USDA Plant/Pest
Phyllophaga spp. white grubs arthropod beetle limited n/a (already in CA) USDA Plant/Pest
Phytalus spp. white grubs arthropod beetle limited n/a (already in CA) USDA Plant/Pest
Prays endocarpa citrus pock caterpillar arthropod butterfly, moth not present low USDA Plant/Pest
Pterandrus spp. fruit flies arthropod fly limited high USDA Plant/Pest
Rhabdoscelus obscurus New Guinea sugarcane weevil arthropod beetle not present moderate USDA Plant/Pest
Sminthurus viridus lucerne flea arthropod springtail not present low USDA Plant/Pest
Sternochetus mangiferae mango seed weevil arthropod beetle not present moderate USDA Plant/Pest
Tropilaelaps clareae honeybee mite arthropod mite not present high USDA Plant/Pest
Varroa jacobsoni varroa mite arthropod mite widespread n/a (already in CA) USDA Plant/Pest
Xyleborus spp. ambrosia beetles arthropod beetle not present moderate USDA Plant/Pest
Aeginetia spp. aeginetia plant herbaceous not present moderate USDA Plant/Pest
Alectra spp. alectra plant herbaceous not present moderate USDA Plant/Pest
Alternanthera sessilis sessile joyweed plant herbaceous not present moderate USDA Plant/Pest
Azolla pinnata mosquito fern plant herbaceous not present moderate USDA Plant/Pest
Carthamus oxyacantha wild safflower plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Chrysopogon aciculatus pilipiliula plant grass not present low USDA Plant/Pest
Digitaria velutina velvet fingergrass plant grass not present moderate USDA Plant/Pest
Eichhornia azurea anchored water hyacinth plant herbaceous not present low USDA Plant/Pest
Galega officinalis goatsrue plant herbaceous not present moderate USDA Plant/Pest
Homeria spp. cape tulip plant herbaceous not present low USDA Plant/Pest
Imperata brasiliensis Brazilian satintail plant grass not present low USDA Plant/Pest
Imperata cylindrica cogongrass plant grass not present moderate USDA Plant/Pest
Ipomoea aquatica swamp morningglory plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Ischaemum rugosum murainograss plant grass not present low USDA Plant/Pest
Leptochloa chinensis Asian sprangletop plant grass not present moderate USDA Plant/Pest
Lycium ferocissimum African boxthorn plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Melaleuca quinquenervia broadleaf paper bard tree plant woody not present low USDA Plant/Pest
Mikania cordata mile-a-minute plant herbaceous not present low USDA Plant/Pest
Mikania micrantha bittervine plant herbaceous not present low USDA Plant/Pest
Mimosa invisa giant sensitive plant plant woody not present low USDA Plant/Pest
Mimosa pigra catclaw mimosa plant woody not present low USDA Plant/Pest
Monochoria hastata arrowleaf falsepickerelweed plant herbaceous not present low USDA Plant/Pest
Nassella trichotoma serrated tussock plant grass not present low USDA Plant/Pest
Opuntia aurantiaca jointed prickly pear plant herbaceous not present low USDA Plant/Pest
Orobanche spp. broomrape plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Oryza longistaminata red rice plant grass not present moderate USDA Plant/Pest
Oryza punctata red rice plant grass not present moderate USDA Plant/Pest
Paspalum scrobiculatum Kodo-millet plant grass not present low USDA Plant/Pest
Pennisetum macrourum African feathergrass plant grass not present low USDA Plant/Pest
Pennisetum pedicellatum Kyasumagrass plant grass not present low USDA Plant/Pest
Pennisetum polystachion missiongrass plant grass not present low USDA Plant/Pest
Prosopis alpataco mesquite plant woody not present low USDA Plant/Pest
Prosopis argentina mesquite plant woody not present low USDA Plant/Pest
Prosopis articulata mesquite plant woody not present low USDA Plant/Pest
Prosopis burkartii mesquite plant woody not present low USDA Plant/Pest
Prosopis caldenia mesquite plant woody not present low USDA Plant/Pest
Prosopis calingastana cusqui plant woody not present low USDA Plant/Pest
Prosopis campestris mesquite plant woody not present low USDA Plant/Pest
Prosopis castellanosii mesquite plant woody not present low USDA Plant/Pest
Prosopis denudans mesquite plant woody not present low USDA Plant/Pest
Prosopis elata mesquite plant woody not present low USDA Plant/Pest
Prosopis farcta mesquite plant woody not present low USDA Plant/Pest
Prosopis ferox mesquite plant woody not present low USDA Plant/Pest
Prosopis fiebrigii mesquite plant woody not present low USDA Plant/Pest
Prosopis hassleri mesquite plant woody not present low USDA Plant/Pest
Prosopis humilis mesquite plant woody not present low USDA Plant/Pest
Prosopis kuntzei mesquite plant woody not present low USDA Plant/Pest
Prosopis pallida mesquite plant woody not present low USDA Plant/Pest
Prosopis palmeria mesquite plant woody not present low USDA Plant/Pest
Prosopis reptans mesquite plant woody not present low USDA Plant/Pest
Prosopis rojasiana mesquite plant woody not present low USDA Plant/Pest
Prosopis ruizlealii mesquite plant woody not present low USDA Plant/Pest
Prosopis ruscifolia mesquite plant woody not present low USDA Plant/Pest
Prosopis sericantha mesquite plant woody not present low USDA Plant/Pest
Prosopis torquata mesquite plant woody not present low USDA Plant/Pest
Rottboellia cochinchinensis itchgrass plant grass not present moderate USDA Plant/Pest
Rubus moluccanus wild raspberry plant woody not present low USDA Plant/Pest
Saccharum spontaneum wild sugarcane plant grass not present low USDA Plant/Pest
Sagittaria sagittifolia arrowhead plant herbaceous not present low USDA Plant/Pest
Salvinia biloba giant salvinia plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Salvinia herzogii giant salvinia plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Senecio inaequidens South African ragwort plant woody not present low USDA Plant/Pest
Senecio madagascariensis Madagascar ragwort plant herbaceous not present moderate USDA Plant/Pest
Setaria pumila ssp. pallidefusca cattail grass plant grass not present moderate USDA Plant/Pest
Solanum tampicense wetland nightshade plant woody not present low USDA Plant/Pest
Solanum torvum turkeyberry plant woody not present low USDA Plant/Pest
Solanum viarum tropical soda apple plant herbaceous not present low USDA Plant/Pest
Sparganium erectum exotic bur reed plant herbaceous limited n/a (already in CA) USDA Plant/Pest
Spermacoce alata winged false buttonweed plant herbaceous not present low USDA Plant/Pest
Striga spp. witchweed plant herbaceous not present high USDA Plant/Pest
Tridax procumbens coat buttons plant herbaceous not present low USDA Plant/Pest
Urochloa panicoides liverseed grass plant grass not present high USDA Plant/Pest
Candidatus Phlomobacter fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Armillaria limonea Armillaria Root Disease disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ceratocystis moniliformis Cocoa ceratocystis wilt disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Chalara australis Vascular stain fungus disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest