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 Source | |
|---|---|---|---|---|---|---|---|
| Cladophora spp. | green algae | plant | algae | limited | VALUE REQUIRED | Hoffman NOAA | |
| Clematis vitalba | old man's beard | plant | herbaceous | limited | n/a (already in CA) | OR Weed List | |
| Ludwigia grandiflora | large flower primrose willow | plant | herbaceous | limited | n/a (already in CA) | WA Weed List | |
| Pennisetum ciliare | buffelgrass | plant | grass | limited | n/a (already in CA) | AZ Weed List | |
| Pennisetum villosum | feathergrass | plant | grass | limited | n/a (already in CA) | No list | |
| Phalaris arundinacea | reed canarygrass | plant | grass | limited | n/a (already in CA) | WA Weed List | |
| Pyracantha coccinea | pyracantha | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Pyracantha crenulata | pyracantha | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Silene latifolia ssp. alba | bladder campion | plant | herbaceous | limited | n/a (already in CA) | WA Weed List | |
| Vibrio cholerae | Cholera | disease | bacterium | limited | n/a (already in CA) | CIDRAP | |
| Claviceps spp. | Sorghum Ergot | disease | fungus | limited | VALUE REQUIRED | APHIS OPIS | |
| Fusarium graminearium | Fusarium Head Blight | disease | fungus | limited | VALUE REQUIRED | APHIS OPIS | |
| Puccinia horiana | Chrysanthemum White Rust | disease | fungus | limited | n/a (already in CA) | CACASA | |
| Uromyces transversalis | Gladiolus Rust | disease | fungus | limited | n/a (already in CA) | USDA pest | |
| Spiroplasma citri | Citrus stubborn disease | disease | spiroplasma | limited | VALUE REQUIRED | CACASA | |
| Luteovirus | n/a Citrus vein-enation virus probably Luteovirus | disease | virus | limited | VALUE REQUIRED | No list | |
| Tospoviruses | Tomato spot wilt virus | disease | virus | limited | VALUE REQUIRED | APHIS OPIS | |
| Closterovirus CTV | Citrus tisteza virus | disease | virus | limited | moderate | APHIS OPIS | |
| Crinivirus CYSDV | Cucurbit Yellow Stunting Disorder Virus | disease | virus | limited | moderate | EPPO | |
| 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 | |
| Acanalonia conica | green coneheaded planthopper | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Acanthococcus azaleae | azalea bark scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Aclerda tokionis | grass scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Aethina tumida | small hive beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Agrilus coxalis | golden spotted oak borer | arthropod | beetle | limited | n/a (already in CA) | pest of concern | |
| Aleurotubus jelinekii | viburnum whitefly | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Aleyrodes proletella | cabbage whitefly | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Anastrepha serpentina | sapote fruit fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Apis mellifera scutellata | Africanized honeybee | arthropod | bee, wasp | limited | n/a (already in CA) | USDA Plant/Pest | |
| Araecerus coffeae | coffee bean weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Bactrocera spp. | exotic fruit fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Bagrada hilaris | Bagrada bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Carausius morosus | Indian walking stick | arthropod | stick insect | limited | n/a (already in CA) | CDFA (reg. B) | |
| Cataenococcus olivaceus | yucca mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chelymorpha cassidea | argus tortoise beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chionaspis americana | elm scurfy scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chrysolina bankii | leaf beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chrysophtharta m-fuscum | paropsine leaf beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Dasineura rhodophaga | rose midge | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Dendrothrips ornatus | privet thrips | arthropod | thrips | limited | n/a (already in CA) | CDFA (reg. B) | |
| Diaphania nitidalis | pickleworm | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Diaphorina citri | Asian citrus psyllid | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Diaprepes abbreviatus | Diaprepes root weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. A) | |
| Diaspidiotus liquidambaris | sweet gum scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Duponchelia fovealis | pyralid moth | arthropod | butterfly, moth | limited | high | CDFA (reg. A) | |
| Dynaspidiotus britannicus | holly scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Ectomyelois ceratoniae | carob moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Epiphyas postvittana | Light brown apple moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. A) | |
| Eriococcus pittospori | pittosporum scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Euphyllura olivina | olive psyllid | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Eupteryx decemnotata | Ligurian leafhopper | arthropod | scale, aphid | limited | n/a (already in CA) | FL Dept. of Ag | |
| Eutetranychus banksi | Texas citrus mite | arthropod | mite | limited | n/a (already in CA) | CDFA (reg. B) | |
| Ferrisia consobrina | mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Ferrisia gilli | Gill’s mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Ferrisia malvastra | malvastrum mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Ferrisia virgata | striped mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Graphocephala versuta | versute sharpshooter | arthropod | scale, aphid | limited | moderate | CDFA (reg. B) | |
| Halyomorpha halys | Brown marmorated stink bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Homaledra sabalella | palm leafskeletonizer | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Homalodisca vitripennis | glassy-winged sharpshooter | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Hylastinus obscurus | clover root borer | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Hyperoides humilis | weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Inopus rubriceps | Australian sod fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Lepidosaphes beckii | purple scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Lepidosaphes maskelli | Maskell scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Leucoma salicis | satin moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Lobesia botrana | European Grapevine Moth | arthropod | butterfly, moth | limited | n/a (already in CA) | USDA Plant/Pest | |
| Maconellicoccus hirsutus | Pink hibiscus mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Melanaspis obscura | obscure scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Naupactus leucoloma | whitefringed beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Naupactus spp. | whitefringed beetles | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pachynematus extensicornis | grass sawfly | arthropod | bee, wasp | limited | n/a (already in CA) | CDFA (reg. B) | |
| Parlatoria pergandii | chaff scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pectinophora gossypiella | pink bollworm | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. A) | |
| Phoracantha spp. | eucalyptus (longhorned) borer | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Phyllophaga spp. | white grubs | arthropod | beetle | limited | n/a (already in CA) | USDA Plant/Pest | |
| Phytalus spp. | white grubs | arthropod | beetle | limited | n/a (already in CA) | USDA Plant/Pest | |
| Phytomyza ilicicola | native holly leafminer | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Phytomyza ilicis | holly leafminer | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Planococcus ficus | vine mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Protopulvinaria pyriformis | pyriform scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pseudacysta perseae | avocado lace bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pseudaulacaspis cockerelli | magnolia white scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Psila rosae | carrot rust fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pterandrus spp. | fruit flies | arthropod | fly | limited | high | USDA Plant/Pest | |
| Pulvinaria psidii | green shield scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Pulvinaria urbicola | urban soft scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Rhagoletis indifferens | western cherry fruit fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Rhyacionia frustrana | Nantucket pine tip moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Scapteriscus borellii | southern mole cricket | arthropod | grasshopper, cricket | limited | n/a (already in CA) | CDFA (reg. B) | |
| Siteroptes graminum | grass mite | arthropod | mite | limited | n/a (already in CA) | CDFA (reg. B) | |
| Sitodiplosis mosellana | wheat midge | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Solenopsis invicta | red imported fire ant | arthropod | bee, wasp | limited | n/a (already in CA) | CDFA (reg. A) | |
| Steneotarsonemus ananas | pineapple tarsonemid | arthropod | mite | limited | n/a (already in CA) | CDFA (reg. B) | |
| Stenolechia bathrodyas | juniper gelechiid | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Tetraleurodes spp. | redbanded whitefly | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Tetranychus evansi | red spider mite | arthropod | mite | limited | n/a (already in CA) | CDFA (reg. B) | |
| Tipula paludosa | European crane fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Toumeyella liriodendri | tuliptree scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) |
