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
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
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 sagittifolia arrowhead plant herbaceous not present low USDA Plant/Pest
Senecio inaequidens South African ragwort plant woody not present low USDA Plant/Pest
Senecio linearifolius narrowleaf ragwort plant herbaceous not present low CDFA
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 propinquum sorghum plant grass not present low NV Weed List
Spermacoce alata winged false buttonweed plant herbaceous not present low USDA Plant/Pest
Trapa bicornis water caltrap plant herbaceous not present low WA 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
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
Xylella fastidiosa CVC Citrus/Select Agent (citrus variegated chlorosis strain) disease bacterium not present low APHIS OPIS
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
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
Peronosclerospora sacchari (philippinensis) Sugarcane Downy Mildew disease fungus not present low USDA Plant/Pest
Sirococcus clavigignenti-juglandacearum Butternut Canker disease fungus not present low ISSG Global InvS
Thecaphora (Angiosorus) solani Potato smut disease fungus not present low EPPO
Cuscuta australis Australian dodder plant herbaceous not present low CDFA
Cuscuta monogyna Eastern Dodder plant herbaceous not present low No list
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
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
Sargassum muticum Sargassum muticum plant algae limited low Hoffman NOAA
Capua tortrix Capua tortrix arthropod butterfly, moth not present low USDA Plant/Pest
Proeulia spp. Proeulia spp. arthropod butterfly, moth not present low USDA Plant/Pest
Bunyavirus (TZSV) Tomato zonate spot virus (TZSV) disease virus not present low NISIC
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
Phytophthora alni Alder Phytophthora disease fungus not present low NAPPO
Cichlasoma salvini Yellowbelly cichlid vertebrate fish not present low Cal Code 14:671
Bactrocera cucurbitae melon fly arthropod fly not present low CDFA (reg. A)
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
Xanthomonas anoxopodis pv. citri Citrus Canker disease bacterium not present high USDA Plant/Pest
Caulerpa taxifolia Mediterranean strain plant algae limited high OR Weed List
Salsola collina spineless Russian thistle plant herbaceous not present high CDFA
Hieracium aurantiacum orange hawkweed plant herbaceous not present high WA Weed List
Peganum harmala harmel plant herbaceous not present high No list
Echium vulgare common viper's bugloss plant herbaceous not present high WA Weed List
Ottelia alismoides ducklettuce plant herbaceous not present high USDA Plant/Pest
Candidatus Liberibacter asiaticus Huanglongbing disease of Citrus-Asian Strain disease bacterium not present high USDA Plant/Pest
Paramyxovirus-1 (PMV-1) Exotic newcastle disease (END) disease virus not present high National IS Info
Cilivirus cilv-c Citrus leprosis virus C disease virus not present high Acarology Journa
Lysimachia vulgaris garden loosestrife plant herbaceous not present high WA Weed List
Abgrallaspis aguacatae armored scale arthropod scale, aphid not present high CDFA (reg. A)
Abgrallaspis palmae tropical palm scale arthropod scale, aphid not present high CDFA (reg. A)
Acalymma vittatum striped cucumber beetle arthropod beetle not present high CDFA (reg. A)
Acrobasis nuxvorella pecan nut casebearer arthropod butterfly, moth not present high CDFA (reg. A)
Acrolepiopsis assectella leek moth arthropod butterfly, moth not present high USDA Plant/Pest
Acutaspis albopicta albopicta scale arthropod scale, aphid not present high CDFA (reg. A)
Acutaspis tingi ting scale arthropod scale, aphid not present high CDFA (reg. A)
Adoretus sinicus chinese rose beetle arthropod beetle not present high CDFA (reg. A)
Adoxophyes orana summer Fruit Tortrix Moth arthropod butterfly, moth not present high USDA Plant/Pest
Agrilus planipennis emerald ashborer     arthropod beetle not present high CDFA (reg. A)
Agrilus ruficollis rednecked cane borer arthropod beetle not present high CDFA (reg. A)
Alabama argillacea cotton leafworm arthropod butterfly, moth not present high CDFA (reg. A)
Aleurocanthus spiniferus orange spiny whitefly arthropod scale, aphid not present high CDFA (reg. A)
Aleurocanthus woglumi citrus blackfly arthropod scale, aphid not present high CDFA (reg. A)
Amphitetranychus viennensis fruit tree spider mite arthropod mite not present high USDA Plant/Pest
Anastrepha fraterculus South American fruit fly arthropod fly not present high CDFA (reg. A)
Anastrepha grandis South American cucurbit fruit fly arthropod fly not present high USDA Plant/Pest
Anastrepha sp. exotic fruit fly arthropod fly not present high CDFA (reg. A)
Anoplophora chinensis citrus longhorned beetle arthropod beetle not present high CDFA (reg. A)
Anoplophora glabripennis Asian longhorned beetle arthropod beetle not present high CDFA (reg. A)
Anthonomus grandis grandis boll weevil arthropod beetle not present high CDFA (reg. A)
Anthonomus signatus strawberry bud weevil arthropod beetle not present high CDFA (reg. A)
Aonidiella orientalis oriental scale arthropod scale, aphid not present high CDFA (reg. A)
Aphis glycines soybean aphid arthropod scale, aphid not present high USDA pest
Apis mellifera capensis Cape honeybee arthropod bee, wasp not present high USDA Plant/Pest
Argyrotaenia velutinana redbanded leafroller arthropod butterfly, moth not present high CDFA (reg. A)
Aspidiotus destructor coconut scale arthropod scale, aphid not present high CDFA (reg. A)
Asterolecanium epidendri orchard scale arthropod scale, aphid not present high CDFA (reg. A)
Atrichonotus taeniatulus small lucerne weevil arthropod beetle not present high CDFA (reg. B)
Brevipalpus chilensis false grape mite arthropod mite not present high USDA Plant/Pest
Cactoblasis cactorum cactus moth arthropod butterfly, moth not present high CDFA (reg. A)
Cathartus quadricollis squarenecked grain beetle arthropod beetle not present high CDFA (reg. A)
Ceroplastes ceriferus Indian wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes floridensis Florida wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes rubens red wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes rusci fig wax scale arthropod scale, aphid not present high CDFA (reg. A)
Cerotoma trifurcata bean leaf beetle arthropod beetle not present high CDFA (reg. A)
Chalcodermus aeneus cowpea curculio arthropod beetle not present high CDFA (reg. A)
Chilo suppressalis Asiatic rice borer arthropod butterfly, moth not present high CDFA (reg. A)
Chionaspis furfura scurfy scale arthropod scale, aphid not present high CDFA (reg. A)
Clavaspis herculeana herculeana scale arthropod scale, aphid not present high CDFA (reg. A)
Coccus viridis Green scale arthropod scale, aphid not present high CDFA (reg. A)
Conotrachelus aguacatae small avocado seed weevil arthropod beetle not present high USDA Plant/Pest