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 | |
|---|---|---|---|---|---|---|---|
| Cuscuta reflexa | giant dodder | plant | herbaceous | not present | low | CDFA | |
| Salvinia auriculata | giant salvinia | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Candidatus Liberibacter africanus | Huanglongbing disease of citrus-African strain | disease | bacterium | not present | low | USDA Plant/Pest | |
| Entyloma oryzae | Leaf Smut of rice | disease | fungus | not present | low | APHIS OPIS | |
| Phakopsora pachyrhizi | Asian soybean Rust | disease | fungus | not present | low | National IS Info | |
| Synchytrium endobioticum | Potato Wart/Select Agent | disease | fungus | not present | low | EPPO | |
| Unknown pathogenic virus or prion 1 | Bovine spongiform encephalopathy (BSE) | disease | unknown | not present | low | Iowa State Univ | |
| Mandarivirus icrsv | Indian citrus ringspot virus | disease | virus | not present | low | NAPPO | |
| Anastrepha striata | guava fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Anomala foraminosa | scarab beetle | arthropod | beetle | not present | low | CDFA (reg. A) | |
| Anomala insitiva | scarab beetle | arthropod | beetle | not present | low | CDFA (reg. A) | |
| Anomala luteipennis | scarab beetle | arthropod | beetle | not present | low | CDFA (reg. A) | |
| Anomala undulata | scarab beetle | arthropod | beetle | unknown | low | CDFA (reg. A) | |
| Argyrotaenia pulchellana | grey red-barred twist | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Bactrocera albistrigata | White Striped Fruit Fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Bactrocera irvingiae | irvinge fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Bactrocera scutellata | Striped fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Carposina niponensis | peach fruit moth | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Chrysodeixis eriosoma | green garden looper | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Cochliomyia hominivorax | screwworm | arthropod | fly | not present | low | CDFA (reg. A) | |
| Coelioxys spp. | cuckoo bees | arthropod | bee, wasp | not present | low | USDA Plant/Pest | |
| Conopomorpha cramerella | cocoa pod borer | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Conopomorpha litchiella | lychee leaf miner | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Contarinia johnsoni | grape blossum midge | arthropod | fly | not present | low | CDFA (reg. A) | |
| Cryptorhynchus mangiferae | mango seed weevil | arthropod | beetle | not present | low | USDA Plant/Pest | |
| Dacus cucurbitae | Melon fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Euproctis chrysorrhoea | browntail moth | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Globodera rostochiensis | Golden Nematode | invertebrate | nematode | not present | low | CDFA (reg. A) | |
| Hemimene juliana | nut fruit tortrix | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Horidiplosis ficifolii | Ornamental fig pest | arthropod | fly | not present | low | Univ. Florida | |
| Lymire edwardsii | Edwards' wasp moth | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Magicicada septendecim | periodical cicada | arthropod | scale, aphid | not present | low | CDFA (reg. A) | |
| Megalopyge opercularis | puss caterpillar | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Ophiomyia phaseoli | bean fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Pammene fasciana | chestnut leaf roller | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Prays endocarpa | citrus pock caterpillar | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Pseudococcus elisae | banana mealybug | arthropod | scale, aphid | not present | low | CDFA (reg. A) | |
| Rhagoletis cerasi | European cherry fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Scrobipalpa ocellatella | surgarbeet crown borer | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Sminthurus viridus | lucerne flea | arthropod | springtail | not present | low | USDA Plant/Pest | |
| Tipula oleracea | common crane fly | arthropod | fly | not present | low | CDFA (reg. B) | |
| Tischeria marginata | moth | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Limnoperna fortunei | Golden mussel | invertebrate | aquatic mollusk, freshwater | not present | low | ANSIS | |
| Trichosurus vulpecula | Brush-tailed possum | vertebrate | mammal | not present | low | Lacey Act | |
| Pteropus spp. | Flying fox | vertebrate | mammal | not present | low | Cal Code 14:671 | |
| Cynomys ludovicianus | Prairie dog | vertebrate | mammal | not present | low | CDFA Vert List | |
| Cricetomys gambianus | Gambian giant pouched rat | vertebrate | mammal | not present | low | Cal Code 14:671 | |
| Mastomys spp. | Multimammate rat or mouse | vertebrate | mammal | not present | low | Lacey Act | |
| Padda oryzivora | Java sparrow | vertebrate | bird | not present | low | Lacey Act | |
| Quelea quelea | Red-billed quelea | vertebrate | bird | not present | low | Cal Code 14:671 | |
| Acridotheres cristatellus | Crested mynah | vertebrate | bird | not present | low | Cal Code 14:671 | |
| Osteopilus septentrionalis | Cuban treefrog | vertebrate | amphibian | not present | low | Cal Code 14:671 | |
| Chrysopogon aciculatus | pilipiliula | plant | grass | not present | low | USDA Plant/Pest | |
| Crassula helmsii | Australian swamp stonecrop | plant | herbaceous | not present | low | WA Weed List | |
| Eichhornia azurea | anchored water hyacinth | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Glossostigma diandrum | mud mat | plant | herbaceous | not present | low | WA Weed List | |
| Hieracium atratum | polar hawkweed | plant | herbaceous | not present | low | WA Weed List | |
| Hieracium glomeratum | queen devil hawkweed | plant | herbaceous | not present | low | WA Weed List | |
| Hieracium laevigatum | smooth hawkweed | plant | herbaceous | not present | low | WA Weed List | |
| Homeria spp. | cape tulip | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Imperata brasiliensis | Brazilian satintail | plant | grass | not present | low | USDA Plant/Pest | |
| Ischaemum rugosum | murainograss | plant | grass | not present | low | USDA Plant/Pest | |
| Lepyrodiclis holosteoides | false jagged-chickweed | plant | herbaceous | not present | low | WA Weed List | |
| Lythrum virgatum | purple loosestrife | plant | herbaceous | not present | low | MT Weed List | |
| Melaleuca quinquenervia | broadleaf paper bard tree | plant | woody | not present | low | USDA Plant/Pest | |
| Melastoma malabathricum | Malabar melastome | plant | woody | not present | low | APHIS | |
| Mikania cordata | mile-a-minute | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Mikania micrantha | bittervine | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Milium vernale | milium | plant | grass | not present | low | ID Weed List | |
| Mimosa diplotricha | giant sensitive plant | plant | woody | not present | low | OR Weed List | |
| Mimosa invisa | giant sensitive plant | plant | woody | not present | low | USDA Plant/Pest | |
| Mimosa pellita | lollipop mimosa | plant | woody | not present | low | OR Weed List | |
| 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 | |
| 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 |
