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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 Extent Risk of Introduction First Sourcesort icon
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
Cyclaneusma minus Cyclaneusma Needle Cast disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ganoderma mastoporum Artist Conk disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ischnoderma rosulata Wood decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Junghuhnia vincta Corm dry rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Leptographium procerum Leptographium root disease disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Moniliophthora roreri Watery Pod Rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Mycosphaerella dearnesii Brown Spot Needle Blight disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Mycosphaerella pini Red Band Needle Blight disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma huntii Blue Stain disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma ips Blue Stain Fungus disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma piceae Blue stain disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma piceaperdum Laural Wilt disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma piliferum Blue stain disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Ophiostoma pluriannulatum Wood stain disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Peronosclerospora sacchari (philippinensis) Sugarcane Downy Mildew disease fungus not present low USDA Plant/Pest
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
Phlebia chrysocrea Wood decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Pseudocercospora timorensis Sweet Potato leaf spot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
Rhacodiella vitis Chestnut rot disease fungus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
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
Phytoplasma ryd-mlo Rice Yellow Dwarf disease phytoplasma VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
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
Unknown pathogenic virus 9 Grapevine vein yellow agent disease virus VALUE REQUIRED VALUE REQUIRED USDA Plant/Pest
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
Ceratitis spp. Ceratitis spp. arthropod fly limited high 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
Uromyces transversalis Gladiolus Rust disease fungus limited n/a (already in CA) USDA pest
Aphis glycines soybean aphid arthropod scale, aphid not present high USDA pest
Harmonia axyridis Multicolored asian ladybeetle arthropod beetle not present high USDA pest
Trametes versicolor Wood decay disease fungus VALUE REQUIRED VALUE REQUIRED USDA pest
Horidiplosis ficifolii Ornamental fig pest arthropod fly not present low Univ. Florida
Aulacaspis yasumatsui cycad aulacaspis scale arthropod scale, aphid not present high Univ. Florida
Agrilus coxalis golden spotted oak borer arthropod beetle limited n/a (already in CA) pest of concern
Bactrocera oleae Olive fruit fly arthropod fly widespread n/a (already in CA) pest of concern
Caulerpa taxifolia Mediterranean strain plant algae limited high OR Weed List
Pennisetum clandestinum kikuyugrass plant grass widespread n/a (already in CA) OR Weed List
Ambrosia artemisifolia ragweed plant herbaceous widespread n/a (already in CA) OR Weed List
Anchusa officinalis common bugloss plant herbaceous limited n/a (already in CA) OR Weed List
Buddleja davidii butterflybush plant woody limited n/a (already in CA) OR Weed List
Echium plantagineum Paterson's curse plant herbaceous limited n/a (already in CA) OR Weed List
Nymphoides peltata yellow floating heart plant herbaceous limited n/a (already in CA) OR Weed List
Clematis vitalba old man's beard plant herbaceous limited n/a (already in CA) OR Weed List
Allaria petiolata garlic mustard plant herbaceous not present high OR Weed List
Hieracium pilosella mouseear hawkweed plant herbaceous not present moderate OR Weed List
Impatiens glandulifera policeman's helmet plant herbaceous not present moderate OR Weed List
Mimosa diplotricha giant sensitive plant plant woody not present low OR Weed List
Mimosa pellita lollipop mimosa plant woody not present low OR Weed List
Orobanche minor small broomrape plant herbaceous not present high OR Weed List
Pueraria montana var. lobata kudzu plant herbaceous not present moderate OR Weed List
Tussilago farfara coltsfoot plant herbaceous not present moderate OR Weed List
Digitaria abyssinica Digitaria abyssinica plant grass not present moderate OR Weed List
Alyssum murale yellowtuft plant herbaceous not present moderate OR Weed List
Alyssum corsicum yellowtuft plant herbaceous not present moderate OR Weed List
Phascogale spp. Brush-tailed marsupial mouse vertebrate mammal VALUE REQUIRED VALUE REQUIRED OR ISC Worst 100
Antechinus spp. Broad-footed marsupial mouse vertebrate mammal VALUE REQUIRED VALUE REQUIRED OR ISC Worst 100
Sminthopsis spp. Narrow-footed marsupial mouse vertebrate mammal VALUE REQUIRED VALUE REQUIRED OR ISC Worst 100
Sorghum bicolor perennial sweet Sudan plant grass limited n/a (already in CA) NV Weed List
Alhagi maurorum camelthorn plant woody limited n/a (already in CA) NV Weed List
Sorghum almum Columbus grass plant grass not present moderate NV Weed List
Sorghum propinquum sorghum plant grass not present low NV Weed List
Phoenix canariensis Canary Island date palm plant woody limited n/a (already in CA) No list
Peganum harmala harmel plant herbaceous not present high No list
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
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
Capillovirus of unknown genus Apple stem grooving virus disease virus not present VALUE REQUIRED No list
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
n/a Citrus leaf blotch virus n/a Citrus leaf blotch virus disease virus not present VALUE REQUIRED No list
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
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
Pennisetum villosum feathergrass plant grass limited n/a (already in CA) No list
Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus limited VALUE REQUIRED No list
n/a Citrus psorosis virus n/a Citrus psorosis virus disease virus limited VALUE REQUIRED No list
n/a Concave gum/blind pocket n/a Concave gum/blind pocket disease virus limited VALUE REQUIRED No list
Lagopus leucurus White-tailed ptarmigan vertebrate bird VALUE REQUIRED VALUE REQUIRED No list
Phytophthora cinnamomi Root Rot disease oomycete VALUE REQUIRED VALUE REQUIRED No list
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
Cryptocotyle lingua Black Spot parasite of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Gyrodactylus elegans Parasitic flatworm of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Ichthyophithirius multifilis Parsitic protozoan of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Mitraspora cyprini Fujita Parasitic protozoan of fish invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list
Oodinium pilularis Velvet disease invertebrate nematode VALUE REQUIRED VALUE REQUIRED No list