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![]() |
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Tombusviridae of unknown genus | Chlorotic Ringspot Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Tombusvirus galv | Grapevine Algerian Latent Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Trichovirus crmv | Cherry Rusty Mottle Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Trichovirus ginv | Grapevine Berry Inner Necrosis Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Trichovirus pvt | Potato Virus T | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Trichovirus spp | Quince Stunt Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Tymovirus aplv | Andean Potato Latent Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Tymovirus cymv | Cocoa Yellow Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Tymovirus dmv | Dulcamara Mottle Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Tymovirus okmv | Okra Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Umbravirus grv | Groundnut Rosette Viruses | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 2 | Euonymus Mosaic Agents | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 3 | French Bean Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 4 | Grapevine Bratislava Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 5 | Grapevine Chasselas Latent Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 6 | Grapevine Little Leaf Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 7 | Grapevine Vein Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 8 | Grapevine Vein Necrosis Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 10 | Hibiscus Leaf Curl Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 11 | Horsechestnut Variegation Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus 12 | Horsechestnut Yellow Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Unknown pathogenic virus ccdv | Citrus chlorotic dwarf virus ccdv | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Waikavirus rtsv | Rice Tungro Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Cocoa Swollen Shoot Virus | Cocoa Swollen Shoot Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Nepovirus gtrsv | Grapevine Tunisian Ringspot Virus | disease | virus | not present | low | APHIS OPIS | |
Jasmine Variegation Agents | Jasmine Variegation Agents | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Birnaviridae | Kashmir Bee Virus | disease | virus | limited | n/a (already in CA) | APHIS OPIS | |
Ligustrum Mosaic Agents | Ligustrum Mosaic Agents | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Maple Mosaic Agent | Maple Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Maple Variegation Agent | Maple Variegation Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Mountain Ash Ringspot Mosaic Agent | Mountain Ash Ringspot Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Mountain Ash Variegation Agent | Mountain Ash Variegation Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Mulberry Mosaic Agent | Mulberry Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Oat Red Streak Mosaic Virus | Oat Red Streak Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Okra Mosaic Agents | Okra Mosaic Agents | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Pear Bud Drop Agent | Pear Bud Drop Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Phyllody Agent | Phyllody Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Plum Bark Split Virus | Plum Bark Split Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Quince Sooty Ringspot Agent | Quince Sooty Ringspot Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Quince Yellow Blotch Agent | Quince Yellow Blotch Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Sampaguita Yellow Ringspot Mosaic Agent | Sampaguita Yellow Ringspot Mosaic Agent | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Soybean Dwarf Virus | Soybean Dwarf Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Sweetpotato chlorotic stunt virus | Sweetpotato chlorotic stunt virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Veinal necrosis virus (PVYN) | Veinal necrosis virus (PVYN) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
Erysiphe graminis | Cereal Mildew | disease | fungus | limited | n/a (already in CA) | APSNet | |
Microcyclus ulei | South American Leaf Blight | disease | fungus | not present | low | APSNet | |
Pyricularia grisea | Rice Blast | disease | fungus | limited | n/a (already in CA) | APSNet | |
Ipomoea triloba | three-cornered morning glory | plant | herbaceous | limited | n/a (already in CA) | AZ Weed List | |
Centaurea stoebe ssp. micranthos | spotted knapweed | plant | herbaceous | limited | n/a (already in CA) | AZ Weed List | |
Pennisetum ciliare | buffelgrass | plant | grass | limited | n/a (already in CA) | AZ Weed List | |
Euryops multifidus | hawk's eye | plant | woody | not present | high | AZ Weed List | |
Panicum repens | torpedo grass | plant | grass | limited | n/a (already in CA) | AZ Weed List | |
Trapa natans | water-chestnut | plant | herbaceous | not present | moderate | AZ Weed List | |
n/a Indian citrus ringspot virus | n/a Indian citrus ringspot virus | disease | virus | not present | VALUE REQUIRED | CACASA | |
Puccinia horiana | Chrysanthemum White Rust | disease | fungus | limited | n/a (already in CA) | CACASA | |
Spiroplasma citri | Citrus stubborn disease | disease | spiroplasma | limited | VALUE REQUIRED | CACASA | |
Pseudomonas avellanae | Bacterial Canker of Hazelnut | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | CACASA | |
Brevipalpus phoenicis | red and black flat mite | arthropod | mite | limited | n/a (already in CA) | CACASA | |
Dreissena polymorpha | Zebra mussels | invertebrate | aquatic mollusk, freshwater | limited | n/a (already in CA) | CAISMP | |
Dreissena bugensis | Quagga mussels | invertebrate | aquatic mollusk, freshwater | limited | n/a (already in CA) | CAISMP | |
Potamopyrgus antipodarum | New Zealand mudsnail | invertebrate | aquatic mollusk, freshwater | limited | n/a (already in CA) | CAISMP | |
Eriocher sinensis | Chinese mitten crab | invertebrate | crustaceans and tunicates | limited | n/a (already in CA) | CAISMP | |
Pteropus spp. | Flying fox | vertebrate | mammal | not present | low | Cal Code 14:671 | |
Dasypus novemcinctus | Nine-banded armadillo | vertebrate | mammal | not present | high | Cal Code 14:671 | |
Rattus norvegicus | Norway rat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Rattus rattus | Ship rat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Cricetomys gambianus | Gambian giant pouched rat | vertebrate | mammal | not present | low | Cal Code 14:671 | |
Mus musculus | House mouse | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Castor canadensis | Beaver | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Myocastor coypus | Nutria | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
Vulpes vulpes | Red Fox | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
Canis familiaris | Feral dog | vertebrate | mammal | limited | high | Cal Code 14:671 | |
Mustela putorius | European polecat or ferret | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
Felis catus | Feral cat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Sus scrofa | Feral pig | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
Cervus axis | Axis deer | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
Cervus dama | Fallow deer | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
Cygnus olor | Mute swan | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
Melagris gallopavo | Common turkey | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
Streptopelia decaocto | Eurasian collared dove | vertebrate | bird | not present | high | Cal Code 14:671 | |
Myiopsitta monachus | Monk parakeet | vertebrate | bird | limited | n/a (already in CA) | Cal Code 14:671 | |
Passer domesticus | House sparrow | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
Quelea quelea | Red-billed quelea | vertebrate | bird | not present | low | Cal Code 14:671 | |
Sturnus vulgaris | European starling | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
Acridotheres cristatellus | Crested mynah | vertebrate | bird | not present | low | Cal Code 14:671 | |
Bufo marinus | Giant toad | vertebrate | amphibian | not present | high | Cal Code 14:671 | |
Eleutherodactylus coqui | Coqui frog | vertebrate | amphibian | not present | high | Cal Code 14:671 | |
Osteopilus septentrionalis | Cuban treefrog | vertebrate | amphibian | not present | low | Cal Code 14:671 | |
Rana catesbeiana | American bullfrog | vertebrate | amphibian | widespread | n/a (already in CA) | Cal Code 14:671 | |
Xenopus laevis | African clawed frog | vertebrate | amphibian | limited | n/a (already in CA) | Cal Code 14:671 | |
Ambystoma tigrinum | Eastern Tiger Salamander | vertebrate | amphibian | limited | high | Cal Code 14:671 | |
Trachemys scripta elegans | Red-eared slider | vertebrate | reptile | limited | n/a (already in CA) | Cal Code 14:671 | |
Chelydra serpentine | Snapping turtle | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
Caiman crocodilus | Spectacled caiman | vertebrate | reptile | not present | high | Cal Code 14:671 | |
Anolis equestris | Knight anole | vertebrate | reptile | not present | high | Cal Code 14:671 | |
Anolis sagrei | Brown anole | vertebrate | reptile | not present | high | Cal Code 14:671 | |
Ctenosaura similis | Black spinytail iguana | vertebrate | reptile | not present | high | Cal Code 14:671 | |
Ctenosaura pectinata | Mexican spinytail iguana | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
Gekko gecko | Tokay gecko | vertebrate | reptile | not present | high | Cal Code 14:671 | |
Varanus niloticus | Nile monitor | vertebrate | reptile | not present | moderate | Cal Code 14:671 |