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 | |
|---|---|---|---|---|---|---|---|
| Conotrachelus retentus | black walnut curculio | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Ischnaspis longirostris | black thread scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Cryptocotyle lingua | Black Spot parasite of fish | invertebrate | nematode | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Ctenosaura similis | Black spinytail iguana | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Ceratocystis fimbriata | black rot | disease | fungus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Solanum nigrum | black nightshade | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| Brassica nigra | black mustard | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Robinia pseudoacacia | black locust | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Dickeya solani | Black leg disease of potato | disease | bacterium | not present | moderate | EPPO | |
| Centaurea nigra | black knapweed | plant | herbaceous | limited | n/a (already in CA) | WA Weed List | |
| Hyoscyamus niger | black henbane | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Francolinus francolinus | Black francolin | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Nepovirus brv | Black Currant Reversion Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Parlatoria ziziphi | black citrus scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Rhagoletis fausta | black cherry fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Mylopharyngodon piceus | Black Carp | vertebrate | fish | not present | high | Cal Code 14:671 | |
| Acacia melanoxylon | black acacia | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Mikania micrantha | bittervine | plant | herbaceous | not present | low | USDA Plant/Pest | |
| Brassica rapa | birdsrape mustard | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Avipoxvirus | Bird pox | disease | virus | VALUE REQUIRED | VALUE REQUIRED | Chavarria NRDC | |
| Fenusa pusilla | birch leafminer | arthropod | bee, wasp | not present | high | CDFA (reg. A) | |
| Centaurea macrocephala | bighead knapweed | plant | herbaceous | not present | moderate | WA Weed List | |
| Hypophthalmichthys nobilis | Bighead Carp | vertebrate | fish | not present | high | Lacey Act | |
| Briza maxima | big quackingrass | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Vinca major | big periwinkle | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Acaena novae-zelandiae | biddy-biddy | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Begomovirus byvmv | Bhendi Yellow Vein Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Cynodon dactylon | bermudagrass | plant | grass | widespread | n/a (already in CA) | CDFA | |
| Oxalis pes-caprae | Bermuda buttercup | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Commelina benghalensis | Benghal dayflower | plant | herbaceous | limited | n/a (already in CA) | USDA Plant/Pest | |
| Bellardia trixago | bellardia | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Begomovirus (var.) | Begomovirus-caused diseases | disease | virus | limited | n/a (already in CA) | APHIS OPIS | |
| Benyovirus bnyvv | Beet necrotic yellow vein virus (BNYVV) | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Castor canadensis | Beaver | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Beauveria spp. | Beauveria bassiana (Balsamo) | disease | fungus | widespread | n/a (already in CA) | National IS Info | |
| Zabrotes spp. | bean weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Maruca testulalis | bean pod borer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Maruca vitrata | bean pod borer | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Cerotoma trifurcata | bean leaf beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Begomovirus bgmv | Bean Golden Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Geminivirus bgmv | Bean Golden Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Ophiomyia phaseoli | bean fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Lampides boeticus | bean butterfly | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Geopelia striata | Barred dove | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Cytorhabdovirus bysmv | Barley Yellow Striate Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Bymovirus baymv | Barley Yellow Mosaic Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Anolis distichus | Bark anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Salsola paulsenii | barbwire Russian-thistle | plant | herbaceous | widespread | n/a (already in CA) | CDFA | |
| Alectoris barbara | Barbary partridge | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Aegilops triuncialis | barb goatgrass | plant | grass | widespread | n/a (already in CA) | CDFA | |
| Nymphaea mexicana | banana waterlily | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Badnavirus bsv | Banana Streak Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Opogona sacchari | banana moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Pseudococcus elisae | banana mealybug | arthropod | scale, aphid | not present | low | CDFA (reg. A) | |
| Thrips florum | banana flower thrips | arthropod | thrips | not present | high | CDFA (reg. A) | |
| Babuvirus bbtv | Banana Bunchy Top Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Thyridopteryx ephemeraeformis | bagworm | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Bagrada hilaris | Bagrada bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Baculovirus BMNV (PjNOB1) | Baculoviral Midgut Gland Necrosis Virus (BMNV) of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Ralstonia solanacearum | Bacterial wilt | disease | bacterium | not present | VALUE REQUIRED | NAPPO | |
| Pseudomonas lignicola | Bacterial Stain | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Xanthomonas oryzae pv. oryzicola | Bacterial Leaf Streak of Rice/Select Agent | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Xanthomonas oryzae pv. oryzae | Bacterial Leaf Blight of Rice/Select agent | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Pseudomonas avellanae | Bacterial Canker of Hazelnut | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | CACASA | |
| Xanthomonas vasculorum | Bacterial Blight of Sugarcane | disease | bacterium | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Gypsophila paniculata | baby's breath | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Emoia impar | Azure-tailed skink | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Potyvirus bcmv | Azuki bean mosaic virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Crisicoccus azaleae | azalea mealybug | arthropod | scale, aphid | not present | moderate | CDFA (reg. B) | |
| Acanthococcus azaleae | azalea bark scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Cervus axis | Axis deer | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Trialeurodes floridensis | avocado whitefly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Copturus aguacatae | avocado stem weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Heilipus lauri | avocado seed weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Stenoma catenifer | avocado seed moth | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Pseudacysta perseae | avocado lace bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Plasmodium relictum | Avian malaria | disease | protist | VALUE REQUIRED | VALUE REQUIRED | CIDRAP | |
| Avian Influenza A (H5N1) | Avian influenza | disease | virus | not present | moderate | CDFA report | |
| Pasteurella multocida | Avian cholera | disease | bacterium | widespread | n/a (already in CA) | Merck Vet Manual | |
| Sphaerophysa salsula | Austrian peaweed | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Rorippa austriaca | Austrian field cress | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Crassula helmsii | Australian swamp stonecrop | plant | herbaceous | not present | low | WA Weed List | |
| Inopus rubriceps | Australian sod fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Atriplex semibaccata | Australian saltbush | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Unknown pathogenic virus 1 | Australian lymphoidal Parvo-Like Virus of fish | disease | virus | VALUE REQUIRED | VALUE REQUIRED | No list | |
| Candidatus Phytoplasma australiense | Australian grapevine yellows/Phytoplasma yellows | disease | phytoplasma | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Erechtites glomerata | Australian fireweed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Erechtites minima | Australian fireweed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Cuscuta australis | Australian dodder | plant | herbaceous | not present | low | CDFA | |
| Unknown pathogenic virus or phytoplasma | Australian citrus dieback n/a probably phytoplasma | disease | unknown | not present | VALUE REQUIRED | No list | |
| Aleuroclava aucubae | aucuba whitefly | arthropod | scale, aphid | widespread | n/a (already in CA) | CDFA (reg. B) | |
| Attacus atlas | atlas silk moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Urosalpinx cinerea | Atlantic oyster drill | invertebrate | aquatic mollusk, marine | widespread | n/a (already in CA) | Exoticsguide | |
| Tamarix aphylla | athel tamarisk | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Conyza bonariensis | asthmaweed | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| Chilo suppressalis | Asiatic rice borer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Maladera castanea | Asiatic garden beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Monopterus albus | Asian swamp eel | vertebrate | fish | not present | low | Cal Code 14:671 | |
| Leptochloa chinensis | Asian sprangletop | plant | grass | not present | moderate | USDA Plant/Pest | |
| Phakopsora pachyrhizi | Asian soybean Rust | disease | fungus | not present | low | National IS Info |
