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
Cilivirus cilv-c Citrus leprosis virus C disease virus not present high Acarology Journa
Batrachochytrium dendrobatidis chytrid frog fungi disease fungus limited n/a (already in CA) Amphibiaweb.org
Limnoperna fortunei Golden mussel invertebrate aquatic mollusk, freshwater not present low ANSIS
Corbicula fluminea Asian clam invertebrate aquatic mollusk, freshwater widespread n/a (already in CA) ANSTF
Corbicula fluminalis Corbicula fluminalis invertebrate aquatic mollusk, freshwater limited n/a (already in CA) ANSTF
Avena sterilis animated oat plant grass limited n/a (already in CA) APHIS
Melastoma malabathricum Malabar melastome plant woody not present low APHIS
Phytophthora ramorum Sudden oak death disease oomycete limited n/a (already in CA) APHIS OPIS
Candidatus Liberibacter solanacearum potato zebra chip disease bacterium not present VALUE REQUIRED APHIS OPIS
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
Candidatus phytoplasma Witches broom disease of lime disease phytoplasma not present VALUE REQUIRED APHIS OPIS
Potyviruses: Potyviridae Plum pox disease virus not present moderate APHIS OPIS
n/a Citrus chlorotic dwarf n/a Citrus chlorotic dwarf disease virus not present VALUE REQUIRED APHIS OPIS
Claviceps spp. Sorghum Ergot disease fungus limited VALUE REQUIRED APHIS OPIS
Fusarium graminearium Fusarium Head Blight disease fungus limited VALUE REQUIRED APHIS OPIS
Tospoviruses Tomato spot wilt virus disease virus limited VALUE REQUIRED APHIS OPIS
Closterovirus CTV Citrus tisteza virus disease virus limited moderate APHIS OPIS
Brenneria salicis Willow Watermark Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus australiense Phytoplasma Yellows disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Candidatus fragariae Marginal chlororsis disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Erwinia salicis Watermark Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas celebensis Blood disease bacterium of banana disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas celebensis Freckle disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas lignicola Bacterial Stain disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pseudomonas lignicola Potato Leaflet Stunt disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Unknown pathogenic bacterium Wheat Yellowing Stripe Bacterium disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas acernea Cotton small leaf agent disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas albilineans Sugarcane Wilt disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas axonopodis manihotis Cassava Bacterial Blight disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas axonopodis pv. Dieffenbachiae Anthurium Blight disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas axonopodis vasculorum Sugarcane Gumming Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas campestris pv vasculorum Sugarcane Gumming Disease disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas oryzae pv. oryzae Bacterial Leaf Blight of Rice/Select agent disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas oryzae pv. oryzicola Bacterial Leaf Streak of Rice/Select Agent disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas populi Grapevine Infectious Necrosis Bacterium disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas populi Poplar Canker disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xanthomonas vasculorum Bacterial Blight of Sugarcane disease bacterium VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Xylella fastidiosa CVC Citrus/Select Agent (citrus variegated chlorosis strain) disease bacterium not present low APHIS OPIS
Aecidium hydrangeae-paniculatae alt: Puccinia glyceriae/ rust on Hydrangea spp. and Glyceria spp. disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Aecidium mori Mulberry Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis (Ophiostoma) ulmi Dutch elm disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis fimbriata black rot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis nothogafi Blue Stain Fungus disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis novae-zelandiae wood-staining disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ceratocystis tenella Blue Stain disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Cercospora pini-densiflorae Needle blight disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Chrysomyxa abietis Spruce Needle Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Chrysomyxa himalensis Spruce Needle Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Chrysomyxa ledi var. rhododendri Rhododendron-spruce Needle Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Cochliobolus miyabeanus Brown Spot of Rice disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Coniothyrium spp. canker in elm disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Cordyceps spp. Fungal Disease of Bees disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Cornuvesica falcata New Zealand wood rot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Crinipellis perniciosa Witches Broom Fungus in cocoa disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Diaporthe mali Leaf, Branch, and Fruit Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Elsinoe australis Sweet Orange Scab disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Elsinoe batatas sweet potato scab disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Erythricium salmonicolor Pink Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fusarium fuliginosporum Seeding Disease/seedling rot of Deodar cedar disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Fusarium oxysporum f.sp. fragariae Fusarium wilt of strawberry disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Gremmeniella abietina Scleroderris Canker disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia citricarpa Citrus Black Spot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia musae Freckle disease of Banana disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Guignardia piricola Leaf, Branch, and Fruit Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Hemileia vastatrix Coffee Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Lachnellula willkommii Eurpoean larch canker disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Leptographium truncatum Root Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Melampsora pinitorqua Twist Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Melanomma glumarum Glume Blotch disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Monilinia fructigena Brown Rot of Fruit disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Oncobasidium theobromae Vascular Streak Die-back of cocoa disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Oospora oryzetorum Blight disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Ophiostoma (Ceratocystis) ulmi Dutch elm disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pestalotiopsis disseminata Parasitic Leaf Fungus disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phacidiopycnis pseudotsuga Douglas Fir Canker disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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
Phialophora cinerescens Phialophora wilt of carnations and strawberries disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Phoma tracheiphila Mal Secco disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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
Pseudopezicula tracheiphila Rotbrenner disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Puccinia mccleanii Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pucciniastrum actinidae Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Pucciniastrum areolatum Cherry-Spruce Rust disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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
Stereum hiugense White Rot disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Stigmina deflectans Needlecast Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
Trachysphaera fructigena Mealy Pod Diseases of Cushy Gall Disease disease fungus VALUE REQUIRED VALUE REQUIRED APHIS OPIS
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