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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 Type Subtype Extent Risk of Introduction First Sourcesort icon
Macaca fuscata Japanese macaque vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Lepus europaeus European hare vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Lepus townsendii White-tailed jackrabbit vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Spermophilus parryii Arctic ground squirrel vertebrate mammal widespread n/a (already in CA) Witmer et al
Sciurus aberti Abert’s squirrel vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Sciurus vulgaris Red squirrel vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Clethrionomys rutilus Red-backed vole vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Rattus exulans Polynesian rat vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Felis yagouaroundi Jaguarundi vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Cervus duvauceli Swamp deer vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Odocoileus hemionus Black-tailed deer vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Capreolus capreolus Roe deer vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Boselaphus tragocamelus Nilgai vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Oryx gazelle Gemsbok vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Antilope cervicapra Blackbuck vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Rupicapra rupicapra Chamois vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Ovibos moshatus Musk-ox vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Capra ibex Alpine ibex vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Ammotragus lervia Aoudad vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Ovis ammon Mouflon sheep vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Ovis aries Feral sheep vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Ortalis vetula Plain chachalaca vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Alectoris barbara Barbary partridge vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Francolinus pondicerianus Grey francolin vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Francolinus erkelii Erkel’s francolin vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Coturnix coturnix Common quail vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Bambusicola thoracica Chinese bamboo partridge vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Syrmaticus reevesii Reeve’s pheasant vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Pterocles exustus Chestnut-bellied sandgrouse vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Columba livia Feral pigeon vertebrate bird widespread high Witmer et al
Streptopelia roseogrisea African collared dove vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Geopelia striata Barred dove vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Aratinga cruentata Blue-fronted conure vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Aerodramus fuciphagus Edible-nest swiftlet vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Aerodramus bartschi Mariana swiftlet vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Copsychus malabaricus White-rumped shama vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Garrulax canorus Melodious laughing thrush vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Leiothrix lutea Red-billed leiothrix vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Cettia diphone Japanese bush warbler vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Parus varius Varied tit vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Tiaris olivacea Yellow-faced grassquit vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Paroaria capitata Yellow-billed cardinal vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Serinus canaria Common canary vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Estrilda caerulescens Lavender waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Estrilda astrild Common waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Estrilda troglodytes Black-rumped waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Lonchura malabarica Warbling silverbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Passer montanus European tree sparrow vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Gracula religiosa Hill mynah vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Dendrobates auratus Green-and-black poison dart frog vertebrate amphibian VALUE REQUIRED VALUE REQUIRED Witmer et al
Rana clamitans Green frog vertebrate amphibian VALUE REQUIRED VALUE REQUIRED Witmer et al
Glandirana rugosa Japanese wrinkled frog vertebrate amphibian not present moderate Witmer et al
Palea steindachneri Wattle-necked softshell vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Pelodiscus sinensis Chinese softshell vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Chamaeleo jacksonii Jackson’s chameleon vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Cnemidophorus neomexicanus New Mexico whiptail lizard vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Cnemidophorus velox Plateau striped whiptail vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Podarcis muralis Common wall lizard vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Podarcis sicula Italian wall lizard vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Phelsuma laticauda Gold dust day gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Phelsuma guimbeaui Orange-spotted day gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Lepidodactylus lugubris Mourning gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Gehyra mutilata Multilating gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Cyrtopodion scabrum Rough-tailed gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Hemidactylus platyurus Asian flat-tailed gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Hemiphyllodactylus typus Indo-Pacific tree gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Lipinia noctua Moth skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Emoia impar Azure-tailed skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Emoia cyanura Copper-tailed skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Cryptoblepharus poecilopleurus Pacific snake-eyed skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Lampropholis delicate Plague skink vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Lacerta bilineata Western green lacerta vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Flavivirus 1 Dengue Fever disease virus limited n/a (already in CA) WHO
Abutilon theophrasti velvet leaf plant herbaceous widespread n/a (already in CA) Weeds of CA
Amaranthus albus prostrate pigweed plant herbaceous widespread n/a (already in CA) Weeds of CA
Amaranthus hybridus slim amaranth plant herbaceous widespread n/a (already in CA) Weeds of CA
Amaranthus retroflexus redroot amaranth plant herbaceous widespread n/a (already in CA) Weeds of CA
Capsella bursa-pastoris shepard's purse plant herbaceous widespread n/a (already in CA) Weeds of CA
Conyza bonariensis asthmaweed plant herbaceous widespread n/a (already in CA) Weeds of CA
Cyperus difformis variable flatsedge plant herbaceous limited n/a (already in CA) Weeds of CA
Digitaria sanguinalis hairy crabgrass plant grass widespread n/a (already in CA) Weeds of CA
Echinochloa colona jungle rice plant grass widespread n/a (already in CA) Weeds of CA
Echinochloa oryzicola early watergrass plant grass limited n/a (already in CA) Weeds of CA
Echinochloa phyllopogon rice barnyardgrass plant grass limited n/a (already in CA) Weeds of CA
Erodium botrys broadleaf filaree plant herbaceous widespread n/a (already in CA) Weeds of CA
Erodium moschatum whitestem filaree plant herbaceous widespread n/a (already in CA) Weeds of CA
Kickxia elatine sharpleaf cancerwort plant herbaceous widespread n/a (already in CA) Weeds of CA
Lactuca serriola prickly lettuce plant herbaceous widespread n/a (already in CA) Weeds of CA
Lamium amplexicaule henbit deadnettle plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva neglecta common mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva niaceensis bull mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva parviflora cheeseweed mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Malva sylvestris high mallow plant herbaceous widespread n/a (already in CA) Weeds of CA
Oxalis corniculata creeping woodsorrel plant herbaceous widespread n/a (already in CA) Weeds of CA
Polygonum arenastrum oval leaf knotweed plant herbaceous widespread n/a (already in CA) Weeds of CA
Portulaca oleracea common purslane plant herbaceous widespread n/a (already in CA) Weeds of CA
Raphanus raphanistrum wild radish plant herbaceous widespread n/a (already in CA) Weeds of CA
Senecio vulgaris old-man-in-the-spring plant herbaceous widespread n/a (already in CA) Weeds of CA
Setaria pumila yellow foxtail plant grass widespread n/a (already in CA) Weeds of CA
Setaria viridis green bristlegrass plant grass widespread n/a (already in CA) Weeds of CA