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 |
|
|---|---|---|---|---|---|---|---|
| Pleistophora hyphessobryconis | Neon-tetra disease of fish | invertebrate | nematode | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Protopalina symphysodonis | Protopalina symphysodonis infection of fish | invertebrate | nematode | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Trichodinella epizootica | Protozoic parasite of fish | invertebrate | nematode | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Cuscuta monogyna | Eastern Dodder | plant | herbaceous | not present | low | No list | |
| Candidatus Phytoplasma mali | Apple proliferation | disease | phytoplasma | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Phytoplasma ulmi | Elm yellows | disease | phytoplasma | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Unknown pathogenic phytoplasma 1 | Apple Rubbery Wood Phytoplasma | disease | phytoplasma | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Apscaviroid pbcvd | Pear Blister Canker Viroid | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Baculovirus BMNV (PjNOB1) | Baculoviral Midgut Gland Necrosis Virus (BMNV) of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Baculovirus complex WSBV | White Spot Syndrome Baculovirus Complex of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Baculovirus PmSNPV | Mbv-Type Virus of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Badnavirus bsv | Banana Streak Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Brevidensovirus IHHNV | Infectious Hypodermal and Hematopoietic Necrosis Virus of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Crinivirus spcsv | Sweetpotato Chlorotic Stunt Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Cytorhabdovirus ncmv | Northern Cereal Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Dicistroviridae TSV | Taura syndrome of shrimp; Infectious cuticular epithelial necrosis virus (ICENV) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Enterovirus cv-b5 | Swine Vesicular Disease | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Ilarvirus apmv | Apple mosaic virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Isavirus isa | Infectious Salmon Isavirus Anemia (ISA) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Nepovirus pvu | Potato Virus U | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Nucleorhabdovirus immv | Iranian Maize Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Nucleorhabdovirus lev | Lucerne enation virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Potexvirus (?) or Potyvirus (?) | Potato veinal necrosis virus (PVYN) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Prosopis fiebrigii or Closterovirus wylv ? | Wheat Yellow Leaf Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Trichovirus aclsv | Apple Chlorotic Leafspot Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Unknown pathogeic coronavirus- and arterivirus-like virus | Yellowhead disease of shrimp | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Unknown pathogenic virus 1 | Australian lymphoidal Parvo-Like Virus of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Viral Hemorrhagic Septicemia Virus | Viral Hemorrhagic Septicemia (VHS) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Okra Yellow Leaf Curl Agent | Okra Yellow Leaf Curl Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Orconectes rusticus | Rusty crayfish | invertebrate | crustaceans and tunicates | not present | high | NISIC | |
| Carcinus maenas | Green crab | invertebrate | crustaceans and tunicates | limited | n/a (already in CA) | NISIC | |
| Neogobius melanostomus | Round goby | vertebrate | fish | not present | moderate | NISIC | |
| Bunyavirus (TZSV) | Tomato zonate spot virus (TZSV) | disease | virus | not present | low | NISIC | |
| Potamocorbula amurensis | Amur River Corbula Clam | invertebrate | aquatic mollusk, marine | VALUE REQUIRED | VALUE REQUIRED | NISIC | |
| Sphaeroma quoyanum | Isopod | invertebrate | crustaceans and tunicates | VALUE REQUIRED | VALUE REQUIRED | NISIC | |
| Yersinia pestis | Bubonic Plague | disease | bacterium | widespread | n/a (already in CA) | NIAID | |
| Alphavirus veev | Venezuelan Equine Encephalitis Virus | disease | virus | not present | low | NIAID | |
| Raffaelea lauricola | Laurel Wilt Disease | disease | fungus | not present | moderate | National IS Info | |
| Phakopsora pachyrhizi | Asian soybean Rust | disease | fungus | not present | low | National IS Info | |
| Puccinia graminis f. sp. tritici | Wheat stem rust (Uganda 99 strain)/Black rust | disease | fungus | not present | moderate | National IS Info | |
| Paramyxovirus-1 (PMV-1) | Exotic newcastle disease (END) | disease | virus | not present | high | National IS Info | |
| Fusarium oxysporum f. sp. vasinfectum | Fusarium Wilt of Cotton | disease | fungus | limited | n/a (already in CA) | National IS Info | |
| Geosmithia sp. | Thousand Cankers Disease Complex | disease | fungus | unknown | high | National IS Info | |
| Geomyces sp. | White-Nose Syndrome of bats | disease | fungus | not present | low | National IS Info | |
| Puccinia striiformis | Wheat stripe rust | disease | fungus | widespread | n/a (already in CA) | National IS Info | |
| Myxobolus (Lentospora) cerebralis | Protozoic Whirling disease | disease | parasitic animal | limited | n/a (already in CA) | National IS Info | |
| Beauveria spp. | Beauveria bassiana (Balsamo) | disease | fungus | widespread | n/a (already in CA) | National IS Info | |
| Novirhadovirus Viral Hemorrhagic Septicemia Virus (VHSV) | Viral Hemorragic septicemia | disease | virus | not present | moderate | National IS Info | |
| Ralstonia solanacearum | Bacterial wilt | disease | bacterium | not present | VALUE REQUIRED | NAPPO | |
| Ralstonia solanacearum race 3 biovar 2 | Geranium Bacterial Wilt/Select Agent | disease | bacterium | not present | VALUE REQUIRED | NAPPO | |
| Mandarivirus icrsv | Indian citrus ringspot virus | disease | virus | not present | low | NAPPO | |
| Phytophthora alni | Alder Phytophthora | disease | fungus | not present | low | NAPPO | |
| Globodera pallida | Pale cyst nematode | invertebrate | nematode | not present | moderate | NAPPA Phyto | |
| Scirtothrips dorsalis (Hood) | Chilli thrips | arthropod | thrips | not present | high | NAPPA Phyto | |
| Phomopsis vaccinii | Phomopsis soft rot | disease | fungus | not present | moderate | Mycologia | |
| Acroptilon repens | Russian knapweed | plant | herbaceous | widespread | n/a (already in CA) | MT Weed List | |
| Ranunculus acris | tall buttercup | plant | herbaceous | limited | n/a (already in CA) | MT Weed List | |
| Hieracium piloselloides | king devil hawkweed | plant | herbaceous | not present | moderate | MT Weed List | |
| Hieracium x floribundum | yellow devil hawkweed | plant | herbaceous | not present | moderate | MT Weed List | |
| Lythrum virgatum | purple loosestrife | plant | herbaceous | not present | low | MT Weed List | |
| Ehrlichia ruminantium | Heartwater; cowdriosis | disease | bacterium | not present | moderate | Merck Vet Manual | |
| 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 | |
| Pasteurella multocida | Avian cholera | disease | bacterium | widespread | n/a (already in CA) | Merck Vet Manual | |
| Erigeron karvinskianus | Mexican daisy | plant | herbaceous | limited | n/a (already in CA) | Med. plants list | |
| Geranium robertianum | Herb-robert | plant | herbaceous | limited | n/a (already in CA) | Med. plants list | |
| Gleditsia triacanthus | honey locust | plant | woody | limited | n/a (already in CA) | Med. plants list | |
| Malephora crocea | coppery mesembryanthemum | plant | herbaceous | limited | n/a (already in CA) | Med. plants list | |
| Maytenus boaria | mayten | plant | woody | limited | n/a (already in CA) | Med. plants list | |
| Nerium oleander | oleander | plant | woody | limited | n/a (already in CA) | Med. plants list | |
| Pittosporum undulatum | Victorian box | plant | woody | limited | n/a (already in CA) | Med. plants list | |
| Ulmus pumila | Siberian elm | plant | woody | limited | n/a (already in CA) | Med. plants list | |
| Trichosurus vulpecula | Brush-tailed possum | vertebrate | mammal | not present | low | Lacey Act | |
| Pseudocheirus peregrinus | Ring-tailed possum | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Oryctolagus cuniculus | European rabbit | vertebrate | mammal | VALUE REQUIRED | n/a (already in CA) | Lacey Act | |
| Mastomys spp. | Multimammate rat or mouse | vertebrate | mammal | not present | low | Lacey Act | |
| Nyctereutes procyonoides | Racoon dog | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Cuon alpinus | Indian wild dog / Dhole | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Mustela erminea | Stoat | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Mustela nivalis | Least weasel | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Mustela vision | American mink | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Herpestes auropunctatus | Small Indian mongoose | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Padda oryzivora | Java sparrow | vertebrate | bird | not present | low | Lacey Act | |
| Sturnus roseus | Pink starling | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Lacey Act | |
| Hypophthalmichthys nobilis | Bighead Carp | vertebrate | fish | not present | high | Lacey Act | |
| Aphanomyces astaci | Crayfish plague | disease | fungus | widespread | n/a (already in CA) | ISSG Global InvS | |
| Cryphonectria parasitica | Chestnut blight | disease | fungus | not present | high | ISSG Global InvS | |
| Discula destructiva | Dogwood Anthracnose | disease | fungus | not present | moderate | ISSG Global InvS | |
| Sirococcus clavigignenti-juglandacearum | Butternut Canker | disease | fungus | not present | low | ISSG Global InvS | |
| Macaca fascicularis | Crab-eating Monkey | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | ISSG 100WorstIAS | |
| Sciurus carolinensis | Gray squirrel | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | ISSG 100WorstIAS | |
| Sciurus niger | Fox squirrel | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | ISSG 100WorstIAS | |
| Cervus elaphus | Wapiti | vertebrate | mammal | VALUE REQUIRED | n/a (already in CA) | ISSG 100WorstIAS | |
| Capra hircus | Feral goat | vertebrate | mammal | VALUE REQUIRED | n/a (already in CA) | ISSG 100WorstIAS | |
| Pycnonotus caferi | Red-vented bulbul | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | ISSG 100WorstIAS | |
| Flavivirus 2 | West Nile Virus | disease | virus | widespread | n/a (already in CA) | Iowa State Univ | |
| Mycobacterium bovis | Bovine tuberculosis | disease | bacterium | limited | n/a (already in CA) | Iowa State Univ | |
| Unknown pathogenic virus or prion 1 | Bovine spongiform encephalopathy (BSE) | disease | unknown | not present | low | Iowa State Univ | |
| Orbivirus btv | Bluetongue | disease | virus | limited | n/a (already in CA) | Iowa State Univ | |
| Lydorus pedicellatus | Blacktip shipworm | invertebrate | aquatic mollusk, marine | VALUE REQUIRED | VALUE REQUIRED | IMEAC |
