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 | |
---|---|---|---|---|---|---|---|
Teredo barstschi | Shipworm | invertebrate | aquatic mollusk, marine | VALUE REQUIRED | VALUE REQUIRED | IMEAC | |
Limnoria tripunctata | Mediterranean gribble | invertebrate | crustaceans and tunicates | limited | n/a (already in CA) | IMEAC | |
Limnoria quadripuncatata | Mediterranean gribble | invertebrate | crustaceans and tunicates | limited | n/a (already in CA) | IMEAC | |
mytilus galloprovincialis | Mediterranean blue mussel | invertebrate | aquatic mollusk, marine | widespread | n/a (already in CA) | IMEAC | |
Schizoporella unicornis | Single horn bryozoan | invertebrate | other | limited | n/a (already in CA) | IMEAC | |
Solanum rostratum | buffalobur | plant | herbaceous | limited | n/a (already in CA) | ID Weed List | |
Ambrosia tomentosa | skeletonleaf bursage | plant | herbaceous | not present | high | ID Weed List | |
Hieracium caespitosum | yellow hawkweed | plant | herbaceous | not present | high | ID Weed List | |
Milium vernale | milium | plant | grass | not present | low | ID Weed List | |
Nardus stricta | matgrass | plant | grass | not present | moderate | ID Weed List | |
Sargassum horneri | Asian seaweed | plant | algae | limited | moderate | Hoffman NOAA | |
Ascophyllum nodosum | common brown algae | plant | algae | limited | n/a (already in CA) | Hoffman NOAA | |
Cladophora spp. | green algae | plant | algae | limited | VALUE REQUIRED | Hoffman NOAA | |
Caulacanthus ustulatus | red algae | plant | algae | unknown | VALUE REQUIRED | Hoffman NOAA | |
Didymosphenia geminata | didymo | plant | algae | limited | high | Hoffman NOAA | |
Grateloupia turuturu | Asian red seaweed | plant | algae | VALUE REQUIRED | VALUE REQUIRED | Hoffman NOAA | |
Lomentaria hakodatensis | yendo | plant | algae | VALUE REQUIRED | VALUE REQUIRED | Hoffman NOAA | |
Caulerpa brachypus | Caulerpa brachypus | plant | algae | unknown | high | Hoffman NOAA | |
Caulerpa racemosa | Caulerpa racemosa | plant | algae | VALUE REQUIRED | high | Hoffman NOAA | |
Sargassum muticum | Sargassum muticum | plant | algae | limited | low | Hoffman NOAA | |
Lyngbya spp. | Lyngbya spp. | plant | algae | VALUE REQUIRED | VALUE REQUIRED | Hoffman NOAA | |
Cervus Nippon | Sika deer | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Harmful U.S. NIS | |
Perdix perdix | Grey partridge | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Harmful U.S. NIS | |
Tetragallus himalayensis | Himalayan snowcock | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Harmful U.S. NIS | |
Lophura leucomelana | Kalij pheasant | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Harmful U.S. NIS | |
Scardinius erythropthalmus | Rudd | vertebrate | fish | not present | high | Harmful U.S. NIS | |
Gymnocephalus cernuus | Ruffe | vertebrate | fish | not present | moderate | Harmful U.S. NIS | |
Acremonium (Cephalosporium) diospyri | Persimmon Wilt | disease | fungus | not present | moderate | ForestPests.org | |
Armillaria novae-zelandiae | Armillaria Root Disease | disease | fungus | not present | low | ForestPests.org | |
Cronartium ribicola | White pine blister rust | disease | fungus | limited | n/a (already in CA) | ForestPests.org | |
Ophiostoma valdivianum | Blue Stain of Beech | disease | fungus | not present | moderate | ForestPathology | |
Saimiri sciureus | Squirrel monkey | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cercopithecus aethiops | Vervet monkey | vertebrate | mammal | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Macaca mulatto | Rhesus monkey | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Molossus molossus | Pallas’s mastiff bat | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Sciurus aureogaster | Mexican red-bellied squirrel | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cervus unicolor | Sambar deer | vertebrate | mammal | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Aix galericulata | Mandarin duck | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Callipepla squamata | Scaled quail | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Alectoris chukar | Chukar partridge | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Francolinus francolinus | Black francolin | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Gallus gallus | Red jungle fowl | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Phasianus colchicus | Common pheasant | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Numida meleagris | Helmeted guineafowl | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Pavo cristatus | Common peafowl | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Streptopelia chinensis | Spotted dove | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Psittacula krameri | Ring-necked parakeet | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Brotogeris versicolurus | Canary-winged parakeet | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Aratinga acuticaudata | Blue-crowned parakeet | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Melopsittacus undulatus | Budgerigar | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amazona viridigenalis | Green-cheeked Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amazona ochrocephula | Yellow-crowned Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amazona oratrix | Yellow-headed Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amazona aestiva | Blue-fronted Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amazona finschi | Lilac-crowned parrot | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Poicephalus senegalus | Senegal parrot | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Aratinga pertinax | Brown-throated conure | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Aratinga mitrata | Mitered conure | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Nandayus nenday | Nanday conure | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
Agapornis spp. | Lovebird | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Nymphicus hollandicus | Cockatiel | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cacatua galerita | Sulphur-crested cockatoo | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cacatua alba | White-crested cockatoo | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cacatua goffini | Giffin’s cockatoo | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Garrulax pectoralis | Greater necklaced laughing thrush | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Sicalis flaveola | Saffron finch | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Paroaria coronata | Red-crested cardinal | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Icterus pectoralis | Spot-breasted oriole | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Serinus mozambicus | Yellow-fronted canary | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Uraeginthus benglaus | Red-cheeked condon-bleu | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Estrilda melpoda | Orange-cheeked waxbill | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Amandava amandava | Red avadavat | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Lonchura punctulata | Nutneg manikin | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Lonchura malacca | Black-headed manikin | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Euplectes franciscanus | Orange bishop | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Eleutherodactylus planirostris | Greenhouse frog | vertebrate | amphibian | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Agama agama | Red-headed agama | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Ameiva ameiva | Giant ameiva | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis cybotes | Large-headed anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis carolinensis | Green anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis distichus | Bark anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis chlorocyanus | Hispaniolan green anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis cristatellus | Puerto Rican crested anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis porcatus | Cuban green anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis garmani | Jamaican giant anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Anolis ferreus | Marie Gallant Sail-tailed anole | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Basiliscus vittatus | Brown basilisk | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Chamaeleo calyptratus | Veiled chameleon | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Leiolepis belliana | Butterfly lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Calotes versicolor | Oriental garden lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cnemidophorus lemniscatus | Rainbow whiptail lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Cnemidophorus motaguae | Giant whiptail lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Leiocephalus carinatus | Northern curlytail lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Leiocephalus schreibersii | Red-sided curlytail lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Phrynosoma cornutum | Texas horned lizard | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Iguana iguana | Green iguana | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Sphaerodactylus elegans | Ashy gecko | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Sphaerodactylus argus | Ocellated gecko | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Phelsuma madagascariensis | Giant day gecko | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
Tarentola mauritanica | Moorish gecko | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List |