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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 Extentsort icon Risk of Introduction First Source
Prosopis palmeria mesquite plant woody not present low USDA Plant/Pest
Prosopis reptans mesquite plant woody not present low USDA Plant/Pest
Prosopis rojasiana mesquite plant woody not present low USDA Plant/Pest
Prosopis ruizlealii mesquite plant woody not present low USDA Plant/Pest
Prosopis ruscifolia mesquite plant woody not present low USDA Plant/Pest
Prosopis sericantha mesquite plant woody not present low USDA Plant/Pest
Prosopis torquata mesquite plant woody not present low USDA Plant/Pest
Pueraria montana var. lobata kudzu plant herbaceous not present moderate OR Weed List
Rottboellia cochinchinensis itchgrass plant grass not present moderate USDA Plant/Pest
Rubus moluccanus wild raspberry plant woody not present low USDA Plant/Pest
Saccharum spontaneum wild sugarcane plant grass not present low USDA Plant/Pest
Sagittaria graminea grass-leaved arrowhead plant herbaceous not present high WA Weed List
Sagittaria sagittifolia arrowhead plant herbaceous not present low USDA Plant/Pest
Salvia pratensis meadow clary plant herbaceous not present moderate WA Weed List
Salvia sclarea clary sage plant herbaceous not present moderate WA Weed List
Senecio inaequidens South African ragwort plant woody not present low USDA Plant/Pest
Senecio linearifolius narrowleaf ragwort plant herbaceous not present low CDFA
Senecio madagascariensis Madagascar ragwort plant herbaceous not present moderate USDA Plant/Pest
Setaria pumila ssp. pallidefusca cattail grass plant grass not present moderate USDA Plant/Pest
Solanum tampicense wetland nightshade plant woody not present low USDA Plant/Pest
Solanum torvum turkeyberry plant woody not present low USDA Plant/Pest
Solanum viarum tropical soda apple plant herbaceous not present low USDA Plant/Pest
Sorghum almum Columbus grass plant grass not present moderate NV Weed List
Sorghum propinquum sorghum plant grass not present low NV Weed List
Spermacoce alata winged false buttonweed plant herbaceous not present low USDA Plant/Pest
Striga spp. witchweed plant herbaceous not present high USDA Plant/Pest
Thymelaea passerina spurge flax plant herbaceous not present moderate WA Weed List
Trapa bicornis water caltrap plant herbaceous not present low WA Weed List
Trapa natans water-chestnut plant herbaceous not present moderate AZ Weed List
Tridax procumbens coat buttons plant herbaceous not present low USDA Plant/Pest
Tripleurospermum perforatum scentless false mayweed plant herbaceous not present low CO Weed List
Tussilago farfara coltsfoot plant herbaceous not present moderate OR Weed List
Urochloa panicoides liverseed grass plant grass not present high USDA Plant/Pest
Utricularia inflata swollen bladderwort plant herbaceous not present moderate WA Weed List
Vallisneria spp. eelgrass plant herbaceous not present high CDFA
Bacillus anthracis Anthrax disease bacterium not present moderate CDFA AHFSS
Ehrlichia ruminantium Heartwater; cowdriosis disease bacterium not present moderate Merck Vet Manual
Mycoplasma capricolum capripneumoniae Contagious Bovine Caprine Pleuropneumonia disease bacterium not present low Merck Vet Manual
Mycoplasma mycoides mycoides Bovine pleuropneumonia disease bacterium not present low Merck Vet Manual
Xylophilus ampelinus (Xanthomonas ampelina) Grapevine Bacterial Blight disease bacterium not present moderate EPPO
Xylella fastidiosa CVC Citrus/Select Agent (citrus variegated chlorosis strain) disease bacterium not present low APHIS OPIS
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
Colletotrichum coffeanum Brown Blight disease fungus not present low USDA Plant/Pest
Cronartium flaccidum Scotch Pine Blister Rust disease fungus not present low USDA Plant/Pest
Cryphonectria parasitica Chestnut blight disease fungus not present high ISSG Global InvS
Discula destructiva Dogwood Anthracnose disease fungus not present moderate ISSG Global InvS
Geomyces sp. White-Nose Syndrome of bats disease fungus not present low National IS Info
Microcyclus ulei South American Leaf Blight disease fungus not present low APSNet
Ophiostoma valdivianum Blue Stain of Beech disease fungus not present moderate ForestPathology
Peronosclerospora sacchari (philippinensis) Sugarcane Downy Mildew disease fungus not present low USDA Plant/Pest
Phakopsora meibomiae soybean rust disease fungus not present high APHIS OPIS
Phomopsis vaccinii Phomopsis soft rot disease fungus not present moderate Mycologia
Sclerophthora rayssiae var. zeae Brown Stripe Downy Mildew of Maize disease fungus not present moderate APHIS OPIS
Sirococcus clavigignenti-juglandacearum Butternut Canker disease fungus not present low ISSG Global InvS
Thecaphora (Angiosorus) solani Potato smut disease fungus not present low EPPO
Tilletia tritici (caries) Wheat smut disease fungus not present moderate EPPO
Phytophthora alni Alder Phytophthora disease oomycete not present moderate APHIS OPIS
Cuscuta australis Australian dodder plant herbaceous not present low CDFA
Cuscuta monogyna Eastern Dodder plant herbaceous not present low No list
Unknown pathogenic virus or prion 2 Chronic Wasting Disease (Cervids) disease unknown not present moderate CDFA AHFSS
Alphavirus eeev Eastern Equine Encephalitis Virus disease virus not present low Chavarria NRDC
Alphavirus veev Venezuelan Equine Encephalitis Virus disease virus not present low NIAID
Avulavirus ndv Exotic Newcastle Disease disease virus not present moderate CDFA AHFSS
Carlavirus Blueberry Scorch carlavirus disease virus not present moderate EPPO
Potyvirus ppv Plum Pox Virus disease virus not present high APHIS OPIS
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
Nepovirus gtrsv Grapevine Tunisian Ringspot Virus disease virus not present low APHIS OPIS
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
Anomala sulcatula Anomala sulcatula arthropod beetle not present moderate USDA Plant/Pest
Capua tortrix Capua tortrix arthropod butterfly, moth not present low 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
Megalometis chilensis Megalometis chilensis arthropod beetle not present moderate USDA Plant/Pest
Proeulia spp. Proeulia spp. arthropod butterfly, moth not present low USDA Plant/Pest
Digitaria abyssinica Digitaria abyssinica plant grass not present moderate OR Weed List
Bunyavirus (TZSV) Tomato zonate spot virus (TZSV) disease virus not present low NISIC
Dickeya solani Black leg disease of potato disease bacterium not present moderate EPPO
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
Agkistrodon spp. Copperhead snake vertebrate reptile not present low DFG Code 2118
Erinaceus europaeus European hedgehog vertebrate mammal not present low Cal Code 14:671
Begomovirus (ToTV) Tomato Torrado Virus (ToTV) disease virus not present moderate EPPO
Phytophthora alni Alder Phytophthora disease fungus not present low NAPPO
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
Cichlasoma salvini Yellowbelly cichlid vertebrate fish not present low Cal Code 14:671
Quadrastichus erythrinae Erythrnia gall wasp arthropod bee, wasp not present high FL Dept. of Ag
Bactrocera cucurbitae melon fly arthropod fly not present low CDFA (reg. A)
Mylopharyngodon piceus Black Carp vertebrate fish not present high Cal Code 14:671
Hypophthalmichthys harmandi Largescale Carp vertebrate fish not present moderate Cal Code 14:671
Hypophthalmichthys molitrix Silver Carp vertebrate fish not present moderate Cal Code 14:671
Lepisosteus osseus Longnose Gar vertebrate fish not present moderate Cal Code 14:671
Dorosoma cepedianum Gizzard shad vertebrate fish not present low Cal Code 14:671
Monopterus albus Asian swamp eel vertebrate fish not present low Cal Code 14:671