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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 Typesort icon Subtype Extent Risk of Introduction First Source
Phaeoramularia angolensis Phaeoramularia Fruit and Leaf Spot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phakopsora meibomiae soybean rust disease fungus not present high APHIS OPIS
Phellinus noxius Brown root rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Phellinus senex Stem decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Phialophora cinerescens Phialophora wilt of carnations and strawberries disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phlebia chrysocrea Wood decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Phoma tracheiphila Mal Secco disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phomopsis vaccinii Phomopsis soft rot disease fungus not present moderate Mycologia
Phyllosticta colocasiophila Phyllosticta Leafspot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Physoderma zeae-maydis Brown Spot of Corn disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudocercospora timorensis Sweet Potato leaf spot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Pseudopezicula tracheiphila Rotbrenner disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Puccinia mccleanii Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Puccinia striiformis Wheat stripe rust disease fungus widespread n/a (already in CA) National IS Info
Pucciniastrum actinidae Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pucciniastrum areolatum Cherry-Spruce Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pyricularia grisea Rice Blast disease fungus limited n/a (already in CA) APSNet
Rhacodiella vitis Chestnut rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Rhacodiella vitis Sterenberg fungus disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Rosellinia necratrix Dematophora Root Rot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Sclerophthora rayssiae var. zeae Brown Stripe Downy Mildew of Maize disease fungus not present moderate APHIS OPIS
Septoria melanosa Elenk fungus disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Sirococcus clavigignenti-juglandacearum Butternut Canker disease fungus not present low ISSG Global InvS
Sphaeropsis sapinea Diplodia Shoot Blight disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Stephanoderes hampei Coffee fungus disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Stereum hiugense White Rot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Stigmina deflectans Needlecast Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Thecaphora (Angiosorus) solani Potato smut disease fungus not present low EPPO
Tilletia tritici (caries) Wheat smut disease fungus not present moderate EPPO
Trachysphaera fructigena Mealy Pod Diseases of Cushy Gall Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Trametes versicolor Wood decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA pest
Triphragmiopsis laricinum Brown Needle Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Uredo dioscoreae-alatae Graminicolous Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Uredo gladioli-buettneri Graminicolous Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Urocystis agropyri Flag Smut disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Urocystis tritici Flag Smut Agent disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Uromyces gladioli Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Uromyces nyikensis Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Uromycladium tepperianum Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Peronosclerospora maydis Downy Mildew of Corn/ Select agent disease oomycete VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytophthora alni Alder Phytophthora disease oomycete not present moderate APHIS OPIS
Phytophthora cinnamomi Root Rot disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Phytophthora fragariae Red Stele disease oomycete VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytophthora infestans Late Blight disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Phytophthora kernoviae Rhododendron Phytopthora disease disease oomycete VALUE REQUIRED VALUE REQUIRED No list
Phytophthora quercina Oak disease disease oomycete VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Myxobolus (Lentospora) cerebralis Protozoic Whirling disease disease parasitic animal limited n/a (already in CA) National IS Info
Candidatus Phytoplasma australiense Australian grapevine yellows/Phytoplasma yellows disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus Phytoplasma mali Apple proliferation disease phytoplasma VALUE REQUIRED VALUE REQUIRED No list
Candidatus phytoplasma spp. Grapevine Yellows Disease disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma bn Black wood disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma eay European Aster Yellows disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma esfy European Stone Fruit Yellows disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma fd Flavescence doree disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma md Mulberry Dwarf disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma parastolbur-mlo Parastolbur disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma rus Rubus stunt disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma ryd-mlo Rice Yellow Dwarf disease phytoplasma VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Phytoplasma scwl Sugarcane White Leaf Phytoplasma disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phytoplasma ulmi Elm yellows disease phytoplasma VALUE REQUIRED VALUE REQUIRED No list
Unknown pathogenic phytoplasma 1 Apple Rubbery Wood Phytoplasma disease phytoplasma VALUE REQUIRED VALUE REQUIRED No list
Unknown pathogenic phytoplasma 2 Cotton virescence disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 3 Grapevine Vergelbungskrankheit disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 4 Groundnut witches broom disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 5 Palm Lethal Yellowing Phytoplasma disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 6 Potato Marginal Flavescence disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 7 Potato Purple Top Roll disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 8 Potato witches broom disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 9 Stolbur disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic phytoplasma 10 Sweetpotato witches broom (little leaf) disease phytoplasma VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Plasmodium falciparum Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium knowlesi Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium malariae Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
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
Unknown pathogenic virus or prion 2 Chronic Wasting Disease (Cervids) disease unknown not present moderate CDFA AHFSS
Alfamovirus pyv Potato Yellowing Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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
Apscaviroid 1 Apple scar skin viroid disease virus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Apscaviroid 2 Citrus bent leaf viroid disease virus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Apscaviroid 3 Grapevine yellow speckle viroid disease virus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Apscaviroid pbcvd Pear Blister Canker Viroid disease virus VALUE REQUIRED VALUE REQUIRED No list
Asfivirus asfv African Swine Fever Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Avipoxvirus Bird pox disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Avulavirus ndv Exotic Newcastle Disease disease virus not present moderate CDFA AHFSS
Babuvirus bbtv Banana Bunchy Top Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Baculovirus BMNV (PjNOB1) Baculoviral Midgut Gland Necrosis Virus (BMNV) of fish disease virus VALUE REQUIRED VALUE REQUIRED No list
Baculovirus complex WSBV White Spot Syndrome Baculovirus Complex of fish disease virus VALUE REQUIRED VALUE REQUIRED No list
Baculovirus PmSNPV Mbv-Type Virus of fish disease virus VALUE REQUIRED VALUE REQUIRED No list
Badnavirus bsv Banana Streak Virus disease virus VALUE REQUIRED VALUE REQUIRED No list
Badnavirus cssv Cocoa Mottle Leaf Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Begomovirus (var.) Begomovirus-caused diseases disease virus limited n/a (already in CA) APHIS OPIS
Begomovirus bgmv Bean Golden Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Begomovirus byvmv Bhendi Yellow Vein Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Begomovirus clcuv Cotton Leaf Curl Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Begomovirus lgmv Lima Bean Golden Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Begomovius hgymv Horsegram Yellow Mosaic Virus disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Benyovirus bnyvv Beet necrotic yellow vein virus (BNYVV) disease virus VALUE REQUIRED VALUE REQUIRED APHIS OPIS