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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 Sourcesort icon
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
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
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
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
Phomopsis vaccinii Phomopsis soft rot disease fungus not present moderate Mycologia
Globodera pallida Pale cyst nematode invertebrate nematode not present moderate NAPPA Phyto
Scirtothrips dorsalis (Hood) Chilli thrips arthropod thrips not present high NAPPA Phyto
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
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
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
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
Phoenix canariensis Canary Island date palm plant woody limited n/a (already in CA) No list
Peganum harmala harmel plant herbaceous not present high No list
Peronosclerospora philippinensis (aka, sacchari) Philippine Downy mildew of sorghum/Select Agent disease oomycete not present VALUE REQUIRED No list
Schlerophthora rayssiae var zeae Brown Stripe Downy mildew of corn/Select Agent disease oomycete not present VALUE REQUIRED No list
Unknown pathogenic phytoplasma 11 Texas phoenix palm phytoplasma disease phytoplasma not present VALUE REQUIRED No list
Unknown pathogenic virus or phytoplasma Australian citrus dieback n/a probably phytoplasma disease unknown not present VALUE REQUIRED No list
Capillovirus of unknown genus Apple stem grooving virus disease virus not present VALUE REQUIRED No list
Tospovirus cacv Capsicum chlorosis virus disease virus not present VALUE REQUIRED No list
Tymovirus (?) Citrus sudden death n/a probably Tymovirus disease virus not present VALUE REQUIRED No list
n/a Citrus leaf blotch virus n/a Citrus leaf blotch virus disease virus not present VALUE REQUIRED No list
n/a Citrus vein-enation virus probably Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus not present VALUE REQUIRED No list
n/a Citrus viroids n/a Citrus viroids disease virus not present VALUE REQUIRED No list
Satsuma dwarf virus, Sadwa virus SDV Satsuma dwarf virus disease virus not present VALUE REQUIRED No list
Tomato Yellow Leaf Curl Sardinia Virus, TYLCSV Tomato Yellow Leaf Curl Sardinia Virus disease virus not present VALUE REQUIRED No list
Pennisetum villosum feathergrass plant grass limited n/a (already in CA) No list
Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus limited VALUE REQUIRED No list
n/a Citrus psorosis virus n/a Citrus psorosis virus disease virus limited VALUE REQUIRED No list
n/a Concave gum/blind pocket n/a Concave gum/blind pocket disease virus limited VALUE REQUIRED No list
Lagopus leucurus White-tailed ptarmigan vertebrate bird VALUE REQUIRED VALUE REQUIRED No list
Phytophthora cinnamomi Root Rot disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Phytophthora infestans Late Blight disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Phytophthora kernoviae Rhododendron Phytopthora disease disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Cryptocotyle lingua Black Spot parasite of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Gyrodactylus elegans Parasitic flatworm of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Ichthyophithirius multifilis Parsitic protozoan of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Mitraspora cyprini Fujita Parasitic protozoan of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Oodinium pilularis Velvet disease invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
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