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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
Plasmodium ovale Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium relictum Avian malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium vivax Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Flavivirus 3 Yellow Fever disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Flavivirus jev Japanese Encephalitis Virus disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Phlebovirus rvfv Rift Valley Fever disease virus VALUE REQUIRED VALUE REQUIRED CIDRAP
Arctium minus common burdock plant herbaceous limited n/a (already in CA) CO Weed List
Anoda cristata spurred anoda plant herbaceous limited n/a (already in CA) CO Weed List
Anthemis cotula mayweed chamomile plant herbaceous widespread n/a (already in CA) CO Weed List
Cichorium intybus chicory plant herbaceous widespread n/a (already in CA) CO Weed List
Hypochaeris glabra smooth catsear plant herbaceous widespread n/a (already in CA) CO Weed List
Panicum miliaceum wild proso millet plant grass limited n/a (already in CA) CO Weed List
Verbascum blattaria moth mullein plant herbaceous limited n/a (already in CA) CO Weed List
Anthemis arvensis scentless chamomile 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
Hesperis matronalis dame's rocket plant herbaceous limited n/a (already in CA) CO Weed List
Tamarix chinensis salt cedar plant woody limited n/a (already in CA) CO Weed List
Artemisia absinthium absinthe wormwood plant herbaceous limited n/a (already in CA) CO 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
Dipsacus laciniatus cutleaf teasel plant herbaceous not present high CO Weed List
Euphorbia cyparissias cypress spurge plant herbaceous limited n/a (already in CA) CO Weed List
Euphorbia myrsinites myrtle spurge plant herbaceous limited n/a (already in CA) CO Weed List
Lespedeza cuneata sericea lespedeza plant herbaceous not present moderate CO Weed List
Tripleurospermum perforatum scentless false mayweed plant herbaceous not present low CO Weed List
Didelphis marsupialis Opossum vertebrate mammal widespread n/a (already in CA) DFG Code 2118
Hemitragus jemlahicus Himalayan tahr vertebrate mammal VALUE REQUIRED n/a (already in CA) DFG Code 2118
Cardinalis cardinalis Common cardinal vertebrate bird VALUE REQUIRED n/a (already in CA) DFG Code 2118
Rana berlandieri Rio Grande leopard frog vertebrate amphibian VALUE REQUIRED VALUE REQUIRED DFG Code 2118
Chrysemys picta Painted turtle vertebrate reptile VALUE REQUIRED n/a (already in CA) DFG Code 2118
Trionyx spiniferus Spiny softshell vertebrate reptile VALUE REQUIRED n/a (already in CA) DFG Code 2118
Agkistrodon spp. Copperhead snake vertebrate reptile not present low DFG Code 2118
Birnaviridae fam: unknown Citrus Chlorotic Dwarf Virus disease virus not present low EFSA
Badnavirus cymvr Citrus yellow mosaic virus disease virus not present low EFSA
Synchytrium endobioticum Potato Wart/Select Agent disease fungus not present low EPPO
Tilletia (neovossia) indica Karnal bunt disease fungus limited n/a (already in CA) EPPO
Crinivirus CYSDV Cucurbit Yellow Stunting Disorder Virus disease virus limited moderate EPPO
Xylophilus ampelinus (Xanthomonas ampelina) Grapevine Bacterial Blight disease bacterium not present moderate EPPO
Thecaphora (Angiosorus) solani Potato smut disease fungus not present low EPPO
Tilletia tritici (caries) Wheat smut disease fungus not present moderate EPPO
Carlavirus Blueberry Scorch carlavirus disease virus not present moderate EPPO
Capillovirus CiTLV Citrus tatter leaf capillovirus/Citrange stunt virus disease virus limited n/a (already in CA) EPPO
Dickeya solani Black leg disease of potato disease bacterium not present moderate EPPO
Begomovirus (ToTV) Tomato Torrado Virus (ToTV) disease virus not present moderate EPPO
Busycotypus canaliculatus Channeled whelk invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Ilynassa obsoleta Eastern mudsnail invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Littorina saxatilis Rough periwinkle invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Myosotella myosotis Mouse-ear marshsnail invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Urosalpinx cinerea Atlantic oyster drill invertebrate aquatic mollusk, marine widespread n/a (already in CA) Exoticsguide
Geukensia demissa Ribbed horsemussel invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Musculista senhousia Green bagmussel invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Mya arenaria Soft-shell clam invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Corbula amurensis Overbite clam invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Venerupsis phillipinarus Japanese littleneck clam invertebrate aquatic mollusk, marine limited n/a (already in CA) Exoticsguide
Botrylloides violaceus Chain sea squirt invertebrate crustaceans and tunicates limited n/a (already in CA) Exoticsguide
Didemnum vexillum Sea squirt invertebrate crustaceans and tunicates limited n/a (already in CA) Exoticsguide
Styela clava Club sea squirt invertebrate crustaceans and tunicates widespread n/a (already in CA) Exoticsguide
Botryllus schlosseri Star sea squirt invertebrate crustaceans and tunicates limited n/a (already in CA) Exoticsguide
Balanus amphitrite Striped barnacle invertebrate crustaceans and tunicates limited n/a (already in CA) Exoticsguide
Bugula neritina Moss animal invertebrate other limited n/a (already in CA) Exoticsguide
Cryptosula pallasiana Moss animal invertebrate other limited n/a (already in CA) Exoticsguide
Watersipora subtorquata Moss animal invertebrate other limited n/a (already in CA) Exoticsguide
Clathria polifera Red beard sponge invertebrate other limited n/a (already in CA) Exoticsguide
Diadumene lineata Orange-stripped anemone invertebrate other limited n/a (already in CA) Exoticsguide
Ficopomatus enigmaticus Sea worms invertebrate other limited n/a (already in CA) Exoticsguide
Eupteryx decemnotata Ligurian leafhopper arthropod scale, aphid limited n/a (already in CA) FL Dept. of Ag
Singhiella simplex Fig whitefly arthropod scale, aphid not present moderate FL Dept. of Ag
Quadrastichus erythrinae Erythrnia gall wasp arthropod bee, wasp not present high FL Dept. of Ag
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