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 Source | |
---|---|---|---|---|---|---|---|
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 | |
Colletotrichum coffeanum | Brown Blight | disease | fungus | not present | low | USDA Plant/Pest | |
Cronartium flaccidum | Scotch Pine Blister Rust | disease | fungus | not present | low | USDA Plant/Pest | |
Cyclaneusma minus | Cyclaneusma Needle Cast | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Ganoderma mastoporum | Artist Conk | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Ischnoderma rosulata | Wood decay | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Junghuhnia vincta | Corm dry rot | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Leptographium procerum | Leptographium root disease | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Moniliophthora roreri | Watery Pod Rot | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Mycosphaerella dearnesii | Brown Spot Needle Blight | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Mycosphaerella pini | Red Band Needle Blight | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest | |
Ophiostoma huntii | Blue Stain | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | USDA Plant/Pest |