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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 Introductionsort icon First Source
Spodoptera mauritia lawn armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera sunia Costa Rican armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Steneotarsonemus spinki panicle rice mite arthropod mite not present high CDFA (reg. A)
Stenoma catenifer avocado seed moth arthropod butterfly, moth not present high CDFA (reg. A)
Thrips angusticeps cabbage thrips arthropod thrips not present high CDFA (reg. A)
Thrips florum banana flower thrips arthropod thrips not present high CDFA (reg. A)
Thrips palmi melon thrips arthropod thrips not present high CDFA (reg. A)
Thyridopteryx ephemeraeformis bagworm arthropod butterfly, moth not present high CDFA (reg. A)
Tomicus piniperda pine shoot beetle arthropod beetle not present high CDFA (reg. A)
Toxoptera citricida Brown citrus aphid arthropod scale, aphid not present high CDFA (reg. A)
Trialeurodes floridensis avocado whitefly arthropod scale, aphid not present high CDFA (reg. A)
Tropilaelaps clareae honeybee mite arthropod mite not present high USDA Plant/Pest
Xyleborinus andrewesi Asian ambrosia beetle arthropod beetle not present high CDFA (reg. A)
Xyleborus glabratus Redbay ambrosia beetle arthropod beetle not present high CDFA (reg. A)
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Orconectes rusticus Rusty crayfish invertebrate crustaceans and tunicates not present high NISIC
Dasypus novemcinctus Nine-banded armadillo vertebrate mammal not present high Cal Code 14:671
Canis familiaris Feral dog vertebrate mammal limited high Cal Code 14:671
Columba livia Feral pigeon vertebrate bird widespread high Witmer et al
Streptopelia decaocto Eurasian collared dove vertebrate bird not present high Cal Code 14:671
Bufo marinus Giant toad vertebrate amphibian not present high Cal Code 14:671
Eleutherodactylus coqui Coqui frog vertebrate amphibian not present high Cal Code 14:671
Ambystoma tigrinum Eastern Tiger Salamander vertebrate amphibian limited high Cal Code 14:671
Caiman crocodilus Spectacled caiman vertebrate reptile not present high Cal Code 14:671
Anolis equestris Knight anole vertebrate reptile not present high Cal Code 14:671
Anolis sagrei Brown anole vertebrate reptile not present high Cal Code 14:671
Ctenosaura similis Black spinytail iguana vertebrate reptile not present high Cal Code 14:671
Gekko gecko Tokay gecko vertebrate reptile not present high Cal Code 14:671
Tupinambis merianae Argentina giant tegu vertebrate reptile not present high Cal Code 14:671
Nerodia rhombifer Diamondback water snake vertebrate reptile not present high Cal Code 14:671
Boiga irregularis Brown treesnake vertebrate reptile not present high Cal Code 14:671
Amia calva Bowfin vertebrate fish not present high Cal Code 14:671
Serrasalminae Piranha vertebrate fish not present high FL FWCC NNS List
Scardinius erythropthalmus Rudd vertebrate fish not present high Harmful U.S. NIS
Lepstosteus lucius Longnose Gar vertebrate fish not present high Cal Code 14:671
Esox lucius Northern Pike vertebrate fish not present high Cal Code 14:671
Allaria petiolata garlic mustard plant herbaceous not present high OR Weed List
Ambrosia tomentosa skeletonleaf bursage plant herbaceous not present high ID Weed List
Anthriscus sylvestris wild chervil plant herbaceous not present high WA Weed List
Butomus umbellatus flowering rush plant herbaceous not present high WA Weed List
Carum carvi wild caraway plant herbaceous not present high CO Weed List
Clematis orientalis Chinese clematis plant herbaceous not present high CO Weed List
Didymosphenia geminata didymo plant algae limited high Hoffman NOAA
Dipsacus laciniatus cutleaf teasel plant herbaceous not present high CO Weed List
Epilobium hirsutum hairy willow herb plant herbaceous not present high WA Weed List
Euryops multifidus hawk's eye plant woody not present high AZ Weed List
Hedera hibernica English ivy plant woody not present high WA Weed List
Heracleum mantegazzianum giant hogweed plant herbaceous not present high CDFA
Hieracium caespitosum yellow hawkweed plant herbaceous not present high ID Weed List
Hygrophila polysperma Miramar weed plant herbaceous not present high CDFA
Orobanche minor small broomrape plant herbaceous not present high OR Weed List
Sagittaria graminea grass-leaved arrowhead plant herbaceous not present high WA Weed List
Striga spp. witchweed plant herbaceous not present high USDA Plant/Pest
Urochloa panicoides liverseed grass plant grass not present high USDA Plant/Pest
Vallisneria spp. eelgrass plant herbaceous not present high CDFA
Cryphonectria parasitica Chestnut blight disease fungus not present high ISSG Global InvS
Geosmithia sp. Thousand Cankers Disease Complex disease fungus unknown high National IS Info
Phakopsora meibomiae soybean rust disease fungus not present high APHIS OPIS
Potyvirus ppv Plum Pox Virus disease virus not present high APHIS OPIS
Caulerpa brachypus Caulerpa brachypus plant algae unknown high Hoffman NOAA
Caulerpa racemosa Caulerpa racemosa plant algae VALUE REQUIRED high Hoffman NOAA
Candidatus Liberibacter sp. Huanglongbing Disease of Citrus disease bacterium not present high USDA Plant/Pest
Adoretus spp. Adoretus spp. arthropod beetle not present high USDA Plant/Pest
Ceratitis spp. Ceratitis spp. arthropod fly limited high USDA Plant/Pest
Conoderus rufangulus Conoderus rufangulus arthropod beetle not present high USDA Plant/Pest
Euvarroa sinhai Euvarroa sinhai arthropod mite not present high USDA Plant/Pest
Laspeyresia spp. Laspeyresia spp. arthropod butterfly, moth not present high USDA Plant/Pest
Aulacaspis yasumatsui cycad aulacaspis scale arthropod scale, aphid not present high Univ. Florida
Zosterops japonica Japanese White-eye vertebrate bird not present high Cal Code 14:671
Planococcus minor (Maskell) Passionvine mealybug arthropod scale, aphid not present high CDFA (reg. A)
Scirtothrips dorsalis (Hood) Chilli thrips arthropod thrips not present high NAPPA Phyto
Hypophthalmichthys nobilis Bighead Carp vertebrate fish not present high Lacey Act
Cichlasoma spilurum Blue-eyed cichlid vertebrate fish not present high Cal Code 14:671
Quadrastichus erythrinae Erythrnia gall wasp arthropod bee, wasp not present high FL Dept. of Ag
Mylopharyngodon piceus Black Carp vertebrate fish not present high Cal Code 14:671
Nerodia fasciata Southern Watersnake vertebrate reptile limited high Cal Code 14:671
Porphyrio porphyrio Purple Swamphen vertebrate bird not present high Cal Code 14:671
Threskiornis aetheopicus Sacred Ibis vertebrate bird not present high Cal Code 14:671