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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 Namesort icon Type Subtype Extent Risk of Introduction First Source
Cocadviroid cccvd Coconut Cadang-Cadang Viroid disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Tymovirus cymv Cocoa Yellow Mosaic 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
Conopomorpha cramerella cocoa pod borer arthropod butterfly, moth not present low USDA Plant/Pest
Nepovirus cnv Cocoa Necrosis Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Badnavirus cssv Cocoa Mottle Leaf Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis moniliformis Cocoa ceratocystis wilt disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Sobemovirus cmmv Cocksfoot Mild Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Lopholeucaspis cockerelli Cockerell scale arthropod scale, aphid not present high CDFA (reg. A)
Nymphicus hollandicus Cockatiel vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Nasua nasua Coatimundi vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Tridax procumbens coat buttons plant herbaceous not present low USDA Plant/Pest
Cenchrus incertus coast sandbur plant grass widespread n/a (already in CA) CDFA
Styela clava Club sea squirt invertebrate crustaceans and tunicates widespread n/a (already in CA) Exoticsguide
Dasineura leguminicola clover seed midge arthropod fly unknown VALUE REQUIRED CDFA (reg. A)
Hylastinus obscurus clover root borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Pestivirus CSFV strain Brescia Classical swine fever virus (strain Brescia) disease virus not present VALUE REQUIRED CDFA AHFSS
Salvia sclarea clary sage plant herbaceous not present moderate WA Weed List
Xylella fastidiosa CVC Citrus/Select Agent (citrus variegated chlorosis strain) disease bacterium not present low APHIS OPIS
Badnavirus cymvr Citrus yellow mosaic virus disease virus not present low EFSA
Closterovirus CTV Citrus tisteza virus disease virus limited moderate APHIS OPIS
Capillovirus CiTLV Citrus tatter leaf capillovirus/Citrange stunt virus disease virus limited n/a (already in CA) EPPO
Tymovirus (?) Citrus sudden death n/a probably Tymovirus disease virus not present VALUE REQUIRED No list
Spiroplasma citri Citrus stubborn disease disease spiroplasma limited VALUE REQUIRED CACASA
Unaspis citri citrus snow scale arthropod scale, aphid not present moderate CDFA (reg. A)
Prays endocarpa citrus pock caterpillar arthropod butterfly, moth not present low USDA Plant/Pest
Tylenchulus semipenetrans citrus nematode invertebrate nematode widespread n/a (already in CA) CDFA (reg. C)
Anoplophora chinensis citrus longhorned beetle arthropod beetle not present high CDFA (reg. A)
Cilivirus cilv-c Citrus leprosis virus C disease virus not present high Acarology Journa
Gonodonta pyrgo citrus fruitpiercing moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Unknown pathogenic virus ccdv Citrus chlorotic dwarf virus ccdv disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Birnaviridae fam: unknown Citrus Chlorotic Dwarf Virus disease virus not present low EFSA
Xanthomonas anoxopodis pv. citri Citrus Canker disease bacterium not present high USDA Plant/Pest
Aleurocanthus woglumi citrus blackfly arthropod scale, aphid not present high CDFA (reg. A)
Guignardia citricarpa Citrus Black Spot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Apscaviroid 2 Citrus bent leaf viroid disease virus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Pseudococcus cryptus citriculus mealybug arthropod scale, aphid not present high CDFA (reg. A)
Batrachochytrium dendrobatidis chytrid frog fungi disease fungus limited n/a (already in CA) Amphibiaweb.org
Alectoris chukar Chukar partridge vertebrate bird VALUE REQUIRED n/a (already in CA) FL FWCC NNS List
Puccinia horiana Chrysanthemum White Rust disease fungus limited n/a (already in CA) CACASA
Unknown pathogenic virus or prion 2 Chronic Wasting Disease (Cervids) disease unknown not present moderate CDFA AHFSS
Vibrio cholerae Cholera disease bacterium limited n/a (already in CA) CIDRAP
Tombusviridae of unknown genus Chlorotic Ringspot Agent disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Sapium sebiferum Chinese tallowtree plant woody limited n/a (already in CA) Cal-IPC list
Pelodiscus sinensis Chinese softshell vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Adoretus sinicus chinese rose beetle arthropod beetle not present high CDFA (reg. A)
Eriocher sinensis Chinese mitten crab invertebrate crustaceans and tunicates limited n/a (already in CA) CAISMP
Clematis orientalis Chinese clematis plant herbaceous not present high CO Weed List
Bambusicola thoracica Chinese bamboo partridge vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Scirtothrips dorsalis (Hood) Chilli thrips arthropod thrips not present high NAPPA Phyto
Listroderes subcinctus Chilean vegetable weevil arthropod beetle not present high USDA Plant/Pest
Cichorium intybus chicory plant herbaceous widespread n/a (already in CA) CO Weed List
Pterocles exustus Chestnut-bellied sandgrouse vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Curculio elephas chestnut weevil arthropod beetle not present high USDA Plant/Pest
Rhacodiella vitis Chestnut rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Cydia splendana chestnut moth arthropod butterfly, moth not present high CDFA (reg. A)
Pammene fasciana chestnut leaf roller arthropod butterfly, moth not present low USDA Plant/Pest
Dryocosmus kuriphilus chestnut gall wasp arthropod bee, wasp not present high USDA Plant/Pest
Cryphonectria parasitica Chestnut blight disease fungus not present high ISSG Global InvS
Pucciniastrum areolatum Cherry-Spruce Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Trichovirus crmv Cherry Rusty Mottle Agent disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Prunus cerasifera cherry plum plant woody widespread n/a (already in CA) Cal-IPC list
Rhagoletis cingulata cherry fruit fly arthropod fly not present moderate CDFA (reg. A)
Malva parviflora cheeseweed mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Busycotypus canaliculatus Channeled whelk invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Rupicapra rupicapra Chamois vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Botrylloides violaceus Chain sea squirt invertebrate crustaceans and tunicates limited n/a (already in CA) Exoticsguide
Parlatoria pergandii chaff scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Secale cereale cereal rye plant grass widespread n/a (already in CA) WA Weed List
Erysiphe graminis Cereal Mildew disease fungus limited n/a (already in CA) APSNet
Oulema melanopus cereal leaf beetle arthropod beetle not present high CDFA (reg. A)
Nucleorhabdovirus ccmv Cereal Chlorotic Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratitis spp. Ceratitis spp. arthropod fly limited high USDA Plant/Pest
Caulerpa racemosa Caulerpa racemosa plant algae VALUE REQUIRED high Hoffman NOAA
Caulerpa brachypus Caulerpa brachypus plant algae unknown high Hoffman NOAA
Setaria pumila ssp. pallidefusca cattail grass plant grass not present moderate USDA Plant/Pest
Mimosa pigra catclaw mimosa plant woody not present low USDA Plant/Pest
Ricinus communis castorbean plant herbaceous widespread n/a (already in CA) Cal-IPC list
Phenococcus manihoti cassava mealybug arthropod scale, aphid not present moderate USDA Plant/Pest
Nepovirus csalv Cassava Latent Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Carlavirus casmmv Cassava Common Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ipomovirus cbsv Cassava Brown Streak Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas axonopodis manihotis Cassava Bacterial Blight disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Bigeminvirus acmv Cassava African Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Psila rosae carrot rust fly arthropod fly limited n/a (already in CA) CDFA (reg. B)
Solanum carolinense Carolina horsenettle plant herbaceous limited n/a (already in CA) CDFA
Cabomba caroliniana Carolina fanwort plant herbaceous limited n/a (already in CA) CDFA
Ectomyelois ceratoniae carob moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Euphorbia terracina carnation spurge plant herbaceous limited n/a (already in CA) CDFA
Anastrepha suspensa Caribbean fruit fly arthropod fly not present moderate CDFA (reg. A)
Capua tortrix Capua tortrix arthropod butterfly, moth not present low USDA Plant/Pest
Tospovirus cacv Capsicum chlorosis virus disease virus not present VALUE REQUIRED No list
Delairea odorata Cape-ivy plant herbaceous widespread n/a (already in CA) Cal-IPC list
Homeria spp. cape tulip plant herbaceous not present low USDA Plant/Pest
Apis mellifera capensis Cape honeybee arthropod bee, wasp not present high USDA Plant/Pest
Coniothyrium spp. canker in elm disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Brotogeris versicolurus Canary-winged parakeet vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Hypericum canariense Canary Island hypericum plant woody limited n/a (already in CA) CDFA
Phoenix canariensis Canary Island date palm plant woody limited n/a (already in CA) No list
Cirsium arvense Canada thistle plant herbaceous widespread n/a (already in CA) CDFA