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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 Namesort icon Common Name Type Subtype Extent Risk of Introduction First Source
Erysiphe graminis Cereal Mildew disease fungus limited n/a (already in CA) APSNet
Erythricium salmonicolor Pink Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Esox lucius Northern Pike vertebrate fish not present high Cal Code 14:671
Estrilda astrild Common waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Estrilda caerulescens Lavender waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Estrilda melpoda Orange-cheeked waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Estrilda troglodytes Black-rumped waxbill vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Eucalyptus camaldulensis red gum plant woody limited n/a (already in CA) Cal-IPC list
Eucalyptus globulus Tasmanian blue gum plant woody widespread n/a (already in CA) Cal-IPC list
Eumerus aurifrons exotic bulb fly arthropod fly unknown VALUE REQUIRED CDFA (reg. A)
Euphorbia cyparissias cypress spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia dentata toothed spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia esula leafy spurge plant herbaceous limited n/a (already in CA) CDFA
Euphorbia myrsinites myrtle spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia oblongata oblong spurge plant herbaceous limited n/a (already in CA) CDFA
Euphorbia serrata serrate spurge plant herbaceous not present moderate CDFA
Euphorbia terracina carnation spurge plant herbaceous limited n/a (already in CA) CDFA
Euphyllura olivina olive psyllid arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Euplectes franciscanus Orange bishop vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Euproctis chrysorrhoea browntail moth arthropod butterfly, moth not present low CDFA (reg. A)
Eupteryx decemnotata Ligurian leafhopper arthropod scale, aphid limited n/a (already in CA) FL Dept. of Ag
Euryops multifidus hawk's eye plant woody not present high AZ Weed List
Euscepes postfasciatus Indian sweetpotato weevil arthropod beetle not present high USDA Plant/Pest
Eutetranychus banksi Texas citrus mite arthropod mite limited n/a (already in CA) CDFA (reg. B)
Euvarroa sinhai Euvarroa sinhai arthropod mite not present high USDA Plant/Pest
Exosoma lusitanica leaf beetle arthropod beetle not present high USDA Plant/Pest
Fatoua villosa hairy crabwees plant herbaceous limited n/a (already in CA) CDFA
Felis catus Feral cat vertebrate mammal widespread n/a (already in CA) Cal Code 14:671
Felis yagouaroundi Jaguarundi vertebrate mammal VALUE REQUIRED VALUE REQUIRED Witmer et al
Fenusa pusilla birch leafminer arthropod bee, wasp not present high CDFA (reg. A)
Ferrisia consobrina mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia gilli Gill’s mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia malvastra malvastrum mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia virgata striped mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Festuca arundinacea tall fescue plant grass widespread n/a (already in CA) Cal-IPC list
Ficopomatus enigmaticus Sea worms invertebrate other limited n/a (already in CA) Exoticsguide
Ficus carica edible fig plant woody widespread n/a (already in CA) Cal-IPC list
Fijivirus mrdv Maize Rough Dwarf Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fijivirus osdv Oat Sterile Dwarf Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fiorinia theae tea scale arthropod scale, aphid not present high CDFA (reg. A)
Flavivirus 1 Dengue Fever disease virus limited n/a (already in CA) WHO
Flavivirus 2 West Nile Virus disease virus widespread n/a (already in CA) Iowa State Univ
Flavivirus 3 Yellow Fever disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Flavivirus jev Japanese Encephalitis Virus disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Foeniculum vulgare fennel plant herbaceous widespread n/a (already in CA) Cal-IPC list
Francolinus erkelii Erkel’s francolin vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Francolinus francolinus Black francolin vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Francolinus pondicerianus Grey francolin vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Frankliniella tritici flower thrips arthropod thrips not present high CDFA (reg. A)
Furcaspis biformis red orchard scale arthropod scale, aphid not present high CDFA (reg. A)
Furcaspis oceanica coconut red scale arthropod scale, aphid not present high USDA Plant/Pest
Fusarium fuliginosporum Seeding Disease/seedling rot of Deodar cedar disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fusarium graminearium Fusarium Head Blight disease fungus limited VALUE REQUIRED APHIS OPIS
Fusarium oxysporum f. sp. vasinfectum Fusarium Wilt of Cotton disease fungus limited n/a (already in CA) National IS Info
Fusarium oxysporum f.sp. fragariae Fusarium wilt of strawberry disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Galega officinalis goatsrue plant herbaceous not present moderate USDA Plant/Pest
Gallus gallus Red jungle fowl vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Ganoderma mastoporum Artist Conk disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Garrulax canorus Melodious laughing thrush vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Garrulax pectoralis Greater necklaced laughing thrush vertebrate bird VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Gaura drummondii Drummond's gaura plant herbaceous limited n/a (already in CA) CDFA
Gaura sinuata wavy-leaved gaura plant herbaceous limited n/a (already in CA) CDFA
Gehyra mutilata Multilating gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED Witmer et al
Gekko gecko Tokay gecko vertebrate reptile not present high Cal Code 14:671
Geminivirus bgmv Bean Golden Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Geminiviruses Misc. viral diseases of cotton, pepper, etc. disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Genista monspessulana French broom plant woody widespread n/a (already in CA) CDFA
Geomyces sp. White-Nose Syndrome of bats disease fungus not present low National IS Info
Geopelia striata Barred dove vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Geosmithia sp. Thousand Cankers Disease Complex disease fungus unknown high National IS Info
Geranium dissectum cutleaf geranium plant herbaceous widespread n/a (already in CA) Cal-IPC list
Geranium robertianum Herb-robert plant herbaceous limited n/a (already in CA) Med. plants list
Gerstaeckeria nobilis weevil arthropod beetle not present moderate CDFA (reg. A)
Geukensia demissa Ribbed horsemussel invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Glandirana rugosa Japanese wrinkled frog vertebrate amphibian not present moderate Witmer et al
Gleditsia triacanthus honey locust plant woody limited n/a (already in CA) Med. plants list
Globodera pallida Pale cyst nematode invertebrate nematode not present moderate NAPPA Phyto
Globodera rostochiensis Golden Nematode invertebrate nematode not present low CDFA (reg. A)
Glossostigma diandrum mud mat plant herbaceous not present low WA Weed List
Glyceria declinata waxy mannagrass plant grass limited n/a (already in CA) Cal-IPC list
Gonatodes albogularis Yellow-headed gecko vertebrate reptile VALUE REQUIRED VALUE REQUIRED FL FWCC NNS List
Gonodonta pyrgo citrus fruitpiercing moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Gracula religiosa Hill mynah vertebrate bird VALUE REQUIRED VALUE REQUIRED Witmer et al
Graphocephala versuta versute sharpshooter arthropod scale, aphid limited moderate CDFA (reg. B)
Grateloupia turuturu Asian red seaweed plant algae VALUE REQUIRED VALUE REQUIRED Hoffman NOAA
Gremmeniella abietina Scleroderris Canker disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia citricarpa Citrus Black Spot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia musae Freckle disease of Banana disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia piricola Leaf, Branch, and Fruit Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Gymnaspis aechmeae aechmea scale arthropod scale, aphid not present high CDFA (reg. A)
Gymnocephalus cernuus Ruffe vertebrate fish not present moderate Harmful U.S. NIS
Gymnosporangium asiaticum Rust: Pear and Juniper disease fungus not present VALUE REQUIRED APHIS OPIS
Gypsophila paniculata baby's breath plant herbaceous limited n/a (already in CA) CDFA
Gyrodactylus elegans Parasitic flatworm of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Halimodendron halodendron Russian salttree plant woody not present moderate CDFA
Halogeton glomeratus halogeton plant herbaceous limited n/a (already in CA) CDFA
Halyomorpha halys Brown marmorated stink bug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Halysidota tessellaris pale tussock moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Haplothrips chinensis thrips arthropod thrips not present high USDA Plant/Pest
Harmonia axyridis Multicolored asian ladybeetle arthropod beetle not present high USDA pest