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 | |
---|---|---|---|---|---|---|---|
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 | |
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 | |
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 | |
Senecio inaequidens | South African ragwort | plant | woody | not present | low | USDA Plant/Pest | |
Senecio linearifolius | narrowleaf ragwort | plant | herbaceous | not present | low | CDFA | |
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 | |
Sorghum propinquum | sorghum | plant | grass | not present | low | NV Weed List | |
Spermacoce alata | winged false buttonweed | plant | herbaceous | not present | low | USDA Plant/Pest | |
Trapa bicornis | water caltrap | plant | herbaceous | not present | low | WA Weed List | |
Tridax procumbens | coat buttons | plant | herbaceous | not present | low | USDA Plant/Pest | |
Tripleurospermum perforatum | scentless false mayweed | plant | herbaceous | not present | low | CO Weed List | |
Mycoplasma capricolum capripneumoniae | Contagious Bovine Caprine Pleuropneumonia | disease | bacterium | not present | low | Merck Vet Manual | |
Mycoplasma mycoides mycoides | Bovine pleuropneumonia | disease | bacterium | not present | low | Merck Vet Manual | |
Xylella fastidiosa CVC | Citrus/Select Agent (citrus variegated chlorosis strain) | disease | bacterium | not present | low | APHIS OPIS | |
Armillaria novae-zelandiae | Armillaria Root Disease | disease | fungus | not present | low | ForestPests.org | |
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 | |
Geomyces sp. | White-Nose Syndrome of bats | disease | fungus | not present | low | National IS Info | |
Microcyclus ulei | South American Leaf Blight | disease | fungus | not present | low | APSNet | |
Peronosclerospora sacchari (philippinensis) | Sugarcane Downy Mildew | disease | fungus | not present | low | USDA Plant/Pest | |
Sirococcus clavigignenti-juglandacearum | Butternut Canker | disease | fungus | not present | low | ISSG Global InvS | |
Thecaphora (Angiosorus) solani | Potato smut | disease | fungus | not present | low | EPPO | |
Cuscuta australis | Australian dodder | plant | herbaceous | not present | low | CDFA | |
Cuscuta monogyna | Eastern Dodder | plant | herbaceous | not present | low | No list | |
Alphavirus eeev | Eastern Equine Encephalitis Virus | disease | virus | not present | low | Chavarria NRDC | |
Alphavirus veev | Venezuelan Equine Encephalitis Virus | disease | virus | not present | low | NIAID | |
Birnaviridae fam: unknown | Citrus Chlorotic Dwarf Virus | disease | virus | not present | low | EFSA | |
Badnavirus cymvr | Citrus yellow mosaic virus | disease | virus | not present | low | EFSA | |
Nepovirus gtrsv | Grapevine Tunisian Ringspot Virus | disease | virus | not present | low | APHIS OPIS | |
Sargassum muticum | Sargassum muticum | plant | algae | limited | low | Hoffman NOAA | |
Capua tortrix | Capua tortrix | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
Proeulia spp. | Proeulia spp. | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
Bunyavirus (TZSV) | Tomato zonate spot virus (TZSV) | disease | virus | not present | low | NISIC | |
Agkistrodon spp. | Copperhead snake | vertebrate | reptile | not present | low | DFG Code 2118 | |
Erinaceus europaeus | European hedgehog | vertebrate | mammal | not present | low | Cal Code 14:671 | |
Phytophthora alni | Alder Phytophthora | disease | fungus | not present | low | NAPPO | |
Cichlasoma salvini | Yellowbelly cichlid | vertebrate | fish | not present | low | Cal Code 14:671 | |
Bactrocera cucurbitae | melon fly | arthropod | fly | not present | low | CDFA (reg. A) | |
Dorosoma cepedianum | Gizzard shad | vertebrate | fish | not present | low | Cal Code 14:671 | |
Monopterus albus | Asian swamp eel | vertebrate | fish | not present | low | Cal Code 14:671 | |
Euphorbia serrata | serrate spurge | plant | herbaceous | not present | moderate | CDFA | |
Halimodendron halodendron | Russian salttree | plant | woody | not present | moderate | CDFA | |
Salvia virgata | southern meadow sage | plant | herbaceous | not present | moderate | CDFA | |
Striga asiatica | witchweed | plant | herbaceous | not present | moderate | CDFA | |
Tagetes minuta | wild marigold | plant | herbaceous | not present | moderate | CDFA | |
Aphtae epizooticae | Hoof and mouth disease | disease | virus | not present | moderate | CDFA AHFSS | |
Avian Influenza A (H5N1) | Avian influenza | disease | virus | not present | moderate | CDFA report | |
Limnophila indica | ambulia | plant | herbaceous | not present | moderate | CDFA | |
Prosopis strombulifera | creeping mesquite | plant | woody | not present | moderate | USDA Plant/Pest | |
Sargassum horneri | Asian seaweed | plant | algae | limited | moderate | Hoffman NOAA | |
Xylella fastidiosa | Pierce's Disease/grapevine | disease | bacterium | limited | moderate | CDFA PD/GWSS | |
Raffaelea lauricola | Laurel Wilt Disease | disease | fungus | not present | moderate | National IS Info | |
Carthamus leucocaulos | whitestem distaff thistle | plant | herbaceous | not present | moderate | CDFA | |
Physalis longifolia | long-leaf groundcherry | plant | herbaceous | not present | moderate | CDFA | |
Candidatus Liberibacter americanus | Huanglongbing disease of Citrus-Americas Strain | disease | bacterium | not present | moderate | USDA Plant/Pest | |
Ceratocystis fagacearum | Oak wilt | disease | fungus | not present | moderate | USDA Plant/Pest | |
Puccinia graminis f. sp. tritici | Wheat stem rust (Uganda 99 strain)/Black rust | disease | fungus | not present | moderate | National IS Info | |
Potyviruses: Potyviridae | Plum pox | disease | virus | not present | moderate | APHIS OPIS |