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
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