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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 Typesort icon Subtype Extent Risk of Introduction First Source
Zabrotes spp. bean weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Zabrotes subfasciatus Mexican bean weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Zeiraphera canadensis spruce budworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Zonosemata electa pepper maggot arthropod fly not present moderate CDFA (reg. A)
Zophodia convolutella gooseberry fruitworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Zygogramma exclamationis sunflower beetle arthropod beetle not present moderate CDFA (reg. A)
Adoretus spp. Adoretus spp. arthropod beetle not present high USDA Plant/Pest
Anomala sulcatula Anomala sulcatula arthropod beetle not present moderate USDA Plant/Pest
Capua tortrix Capua tortrix arthropod butterfly, moth not present low USDA Plant/Pest
Ceratitis spp. Ceratitis spp. arthropod fly limited high USDA Plant/Pest
Conoderus rufangulus Conoderus rufangulus arthropod beetle not present high USDA Plant/Pest
Euvarroa sinhai Euvarroa sinhai arthropod mite not present high USDA Plant/Pest
Laspeyresia spp. Laspeyresia spp. arthropod butterfly, moth not present high USDA Plant/Pest
Megalometis chilensis Megalometis chilensis arthropod beetle not present moderate USDA Plant/Pest
Proeulia spp. Proeulia spp. arthropod butterfly, moth not present low USDA Plant/Pest
Aulacaspis yasumatsui cycad aulacaspis scale arthropod scale, aphid not present high Univ. Florida
Planococcus minor (Maskell) Passionvine mealybug arthropod scale, aphid not present high CDFA (reg. A)
Scirtothrips dorsalis (Hood) Chilli thrips arthropod thrips not present high NAPPA Phyto
Quadrastichus erythrinae Erythrnia gall wasp arthropod bee, wasp not present high FL Dept. of Ag
Bactrocera cucurbitae melon fly arthropod fly not present low CDFA (reg. A)
Brevipalpus phoenicis red and black flat mite arthropod mite limited n/a (already in CA) CACASA
Xanthomonas anoxopodis pv. citri Citrus Canker disease bacterium not present high USDA Plant/Pest
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
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
Phytophthora ramorum Sudden oak death disease oomycete limited n/a (already in CA) APHIS OPIS
Yersinia pestis Bubonic Plague disease bacterium widespread n/a (already in CA) NIAID
Flavivirus 2 West Nile Virus disease virus widespread n/a (already in CA) Iowa State Univ
Candidatus Liberibacter africanus Huanglongbing disease of citrus-African strain disease bacterium not present low USDA Plant/Pest
Candidatus Liberibacter americanus Huanglongbing disease of Citrus-Americas Strain disease bacterium not present moderate USDA Plant/Pest
Candidatus Liberibacter asiaticus Huanglongbing disease of Citrus-Asian Strain disease bacterium not present high USDA Plant/Pest
Candidatus Liberibacter solanacearum potato zebra chip disease bacterium not present VALUE REQUIRED APHIS OPIS
Mycobacterium bovis Bovine tuberculosis disease bacterium limited n/a (already in CA) Iowa State Univ
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
Ceratocystis fagacearum Oak wilt disease fungus not present moderate USDA Plant/Pest
Entyloma oryzae Leaf Smut of rice disease fungus not present low APHIS OPIS
Gymnosporangium asiaticum Rust: Pear and Juniper disease fungus not present VALUE REQUIRED APHIS OPIS
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
Synchytrium endobioticum Potato Wart/Select Agent disease fungus not present low EPPO
Tilletia (neovossia) indica Karnal bunt disease fungus limited n/a (already in CA) EPPO
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
Candidatus phytoplasma Witches broom disease of lime disease phytoplasma not present VALUE REQUIRED APHIS OPIS
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
Unknown pathogenic virus or prion 1 Bovine spongiform encephalopathy (BSE) disease unknown not present low Iowa State Univ
Capillovirus of unknown genus Apple stem grooving virus disease virus not present VALUE REQUIRED No list
Morbillivirus RBOK Rinderpest virus disease virus not present VALUE REQUIRED Chavarria NRDC
Paramyxovirus-1 (PMV-1) Exotic newcastle disease (END) disease virus not present high National IS Info
Pestivirus CSFV strain Brescia Classical swine fever virus (strain Brescia) disease virus not present VALUE REQUIRED CDFA AHFSS
Porcine herpesvirus 1 Swine pseudorabies disease virus not present VALUE REQUIRED Chavarria NRDC
Potyviruses: Potyviridae Plum pox disease virus not present moderate APHIS OPIS
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
Mandarivirus icrsv Indian citrus ringspot virus disease virus not present low NAPPO
n/a Citrus chlorotic dwarf n/a Citrus chlorotic dwarf disease virus not present VALUE REQUIRED APHIS OPIS
n/a Citrus leaf blotch virus n/a Citrus leaf blotch virus disease virus not present VALUE REQUIRED No list
Cilivirus cilv-c Citrus leprosis virus C disease virus not present high Acarology Journa
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
n/a Indian citrus ringspot virus n/a Indian citrus ringspot virus disease virus not present VALUE REQUIRED CACASA
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
Vibrio cholerae Cholera disease bacterium limited n/a (already in CA) CIDRAP
Claviceps spp. Sorghum Ergot disease fungus limited VALUE REQUIRED APHIS OPIS
Fusarium graminearium Fusarium Head Blight disease fungus limited VALUE REQUIRED APHIS OPIS
Puccinia horiana Chrysanthemum White Rust disease fungus limited n/a (already in CA) CACASA
Uromyces transversalis Gladiolus Rust disease fungus limited n/a (already in CA) USDA pest
Spiroplasma citri Citrus stubborn disease disease spiroplasma limited VALUE REQUIRED CACASA
Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus limited VALUE REQUIRED No list
Tospoviruses Tomato spot wilt virus disease virus limited VALUE REQUIRED APHIS OPIS
Closterovirus CTV Citrus tisteza virus disease virus limited moderate APHIS OPIS
Crinivirus CYSDV Cucurbit Yellow Stunting Disorder Virus disease virus limited moderate EPPO
Curtovirus CTVCP Curly top virus disease virus widespread n/a (already in CA) CDFA (reg. A)
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
Bacillus anthracis Anthrax disease bacterium not present moderate CDFA AHFSS
Brenneria salicis Willow Watermark Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus australiense Phytoplasma Yellows disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus Phlomobacter fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ehrlichia ruminantium Heartwater; cowdriosis disease bacterium not present moderate Merck Vet Manual
Erwinia salicis Watermark Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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
Pseudomonas avellanae Bacterial Canker of Hazelnut disease bacterium VALUE REQUIRED VALUE REQUIRED CACASA
Pseudomonas celebensis Blood disease bacterium of banana disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas celebensis Freckle disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas lignicola Bacterial Stain disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas lignicola Potato Leaflet Stunt disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic bacterium Wheat Yellowing Stripe Bacterium disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas acernea Cotton small leaf agent disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas albilineans Sugarcane Wilt disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xylophilus ampelinus (Xanthomonas ampelina) Grapevine Bacterial Blight disease bacterium not present moderate EPPO
Xanthomonas axonopodis manihotis Cassava Bacterial Blight disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS