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
Caulacanthus ustulatus red algae plant algae unknown VALUE REQUIRED Hoffman NOAA
Geosmithia sp. Thousand Cankers Disease Complex disease fungus unknown high National IS Info
Caulerpa brachypus Caulerpa brachypus plant algae unknown high Hoffman NOAA
Xanthomonas anoxopodis pv. citri Citrus Canker disease bacterium not present high USDA Plant/Pest
Euphorbia serrata serrate spurge plant herbaceous not present moderate CDFA
Halimodendron halodendron Russian salttree plant woody not present moderate CDFA
Salsola collina spineless Russian thistle plant herbaceous not present high CDFA
Salsola vermiculata wormleaf salsola plant herbaceous not present low CDFA
Salvia virgata southern meadow sage plant herbaceous not present moderate CDFA
Senecio squalidus Oxford ragwort plant herbaceous not present low CDFA
Solanum cardiophyllum heartleaf nightshade plant herbaceous not present low CDFA
Striga asiatica witchweed plant herbaceous not present moderate CDFA
Tagetes minuta wild marigold plant herbaceous not present moderate CDFA
Aphtae epizooticae Hoof and mouth disease disease virus not present moderate CDFA AHFSS
Avian Influenza A (H5N1) Avian influenza disease virus not present moderate CDFA report
Cirsium japonicum Japanese thistle plant herbaceous not present low CDFA
Cuscuta reflexa giant dodder plant herbaceous not present low CDFA
Hieracium aurantiacum orange hawkweed plant herbaceous not present high WA Weed List
Limnophila indica ambulia plant herbaceous not present moderate CDFA
Peganum harmala harmel plant herbaceous not present high No list
Prosopis strombulifera creeping mesquite plant woody not present moderate USDA Plant/Pest
Salvinia auriculata giant salvinia plant herbaceous not present low USDA Plant/Pest
Raffaelea lauricola Laurel Wilt Disease disease fungus not present moderate National IS Info
Carthamus leucocaulos whitestem distaff thistle plant herbaceous not present moderate CDFA
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
Physalis longifolia long-leaf groundcherry plant herbaceous not present moderate CDFA
Candidatus Liberibacter africanus Huanglongbing disease of citrus-African strain disease bacterium not present low USDA Plant/Pest
Candidatus Liberibacter americanus Huanglongbing disease of Citrus-Americas Strain disease bacterium not present moderate USDA Plant/Pest
Candidatus Liberibacter asiaticus Huanglongbing disease of Citrus-Asian Strain disease bacterium not present high USDA Plant/Pest
Candidatus Liberibacter solanacearum potato zebra chip disease bacterium not present VALUE REQUIRED APHIS OPIS
Ralstonia solanacearum Bacterial wilt disease bacterium not present VALUE REQUIRED NAPPO
Ralstonia solanacearum race 3 biovar 2 Geranium Bacterial Wilt/Select Agent disease bacterium not present VALUE REQUIRED NAPPO
Ceratocystis fagacearum Oak wilt disease fungus not present moderate USDA Plant/Pest
Entyloma oryzae Leaf Smut of rice disease fungus not present low APHIS OPIS
Gymnosporangium asiaticum Rust: Pear and Juniper disease fungus not present VALUE REQUIRED APHIS OPIS
Phakopsora pachyrhizi Asian soybean Rust disease fungus not present low National IS Info
Puccinia graminis f. sp. tritici Wheat stem rust (Uganda 99 strain)/Black rust disease fungus not present moderate National IS Info
Synchytrium endobioticum Potato Wart/Select Agent disease fungus not present low EPPO
Peronosclerospora philippinensis (aka, sacchari) Philippine Downy mildew of sorghum/Select Agent disease oomycete not present VALUE REQUIRED No list
Schlerophthora rayssiae var zeae Brown Stripe Downy mildew of corn/Select Agent disease oomycete not present VALUE REQUIRED No list
Candidatus phytoplasma Witches broom disease of lime disease phytoplasma not present VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 11 Texas phoenix palm phytoplasma disease phytoplasma not present VALUE REQUIRED No list
Unknown pathogenic virus or phytoplasma Australian citrus dieback n/a probably phytoplasma disease unknown not present VALUE REQUIRED No list
Unknown pathogenic virus or prion 1 Bovine spongiform encephalopathy (BSE) disease unknown not present low Iowa State Univ
Capillovirus of unknown genus Apple stem grooving virus disease virus not present VALUE REQUIRED No list
Morbillivirus RBOK Rinderpest virus disease virus not present VALUE REQUIRED Chavarria NRDC
Paramyxovirus-1 (PMV-1) Exotic newcastle disease (END) disease virus not present high National IS Info
Pestivirus CSFV strain Brescia Classical swine fever virus (strain Brescia) disease virus not present VALUE REQUIRED CDFA AHFSS
Porcine herpesvirus 1 Swine pseudorabies disease virus not present VALUE REQUIRED Chavarria NRDC
Potyviruses: Potyviridae Plum pox disease virus not present moderate APHIS OPIS
Tospovirus cacv Capsicum chlorosis virus disease virus not present VALUE REQUIRED No list
Tymovirus (?) Citrus sudden death n/a probably Tymovirus disease virus not present VALUE REQUIRED No list
Mandarivirus icrsv Indian citrus ringspot virus disease virus not present low NAPPO
n/a Citrus chlorotic dwarf n/a Citrus chlorotic dwarf disease virus not present VALUE REQUIRED APHIS OPIS
n/a Citrus leaf blotch virus n/a Citrus leaf blotch virus disease virus not present VALUE REQUIRED No list
Cilivirus cilv-c Citrus leprosis virus C disease virus not present high Acarology Journa
n/a Citrus vein-enation virus probably Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus not present VALUE REQUIRED No list
n/a Citrus viroids n/a Citrus viroids disease virus not present VALUE REQUIRED No list
n/a Indian citrus ringspot virus n/a Indian citrus ringspot virus disease virus not present VALUE REQUIRED CACASA
Satsuma dwarf virus, Sadwa virus SDV Satsuma dwarf virus disease virus not present VALUE REQUIRED No list
Tomato Yellow Leaf Curl Sardinia Virus, TYLCSV Tomato Yellow Leaf Curl Sardinia Virus disease virus not present VALUE REQUIRED No list
Drymaria arenarioides lightening weed plant herbaceous not present moderate USDA Plant/Pest
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 juglandis pecan leaf casebearer arthropod butterfly, moth not present moderate CDFA (reg. A)
Acrobasis nuxvorella pecan nut casebearer arthropod butterfly, moth not present high CDFA (reg. A)
Acrolepia assectella leek moth arthropod butterfly, moth not present moderate 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 ludens complex Mexican fruit fly complex arthropod fly not present moderate CDFA (reg. A)
Anastrepha obliqua West Indian fruit fly arthropod fly not present moderate CDFA (reg. A)
Anastrepha sp. exotic fruit fly arthropod fly not present high CDFA (reg. A)
Anastrepha striata guava fruit fly arthropod fly not present low CDFA (reg. A)
Anastrepha suspensa Caribbean fruit fly arthropod fly not present moderate CDFA (reg. A)
Anomala foraminosa scarab beetle arthropod beetle not present low CDFA (reg. A)
Anomala insitiva scarab beetle arthropod beetle not present low CDFA (reg. A)
Anomala luteipennis scarab beetle arthropod beetle not present low CDFA (reg. A)
Anomala orientalis Oriental beetle arthropod beetle not present moderate 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)
Antaeotricha leucillana stenomine oecophorid arthropod butterfly, moth not present moderate 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)
Apamea apamiformis riceworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Aphis glycines soybean aphid arthropod scale, aphid not present high USDA pest