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 |
|
|---|---|---|---|---|---|---|---|
| Salsola soda | oppositeleaf Russian thistle | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Saponaria officinalis | bouncingbet | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Schinus molle | Peruvian peppertree | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Schinus terebinthifolius | Brazilian peppertree | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Schismus arabicus | mediterraneangrass | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Schismus barbatus | mediterraneangrass | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Sesbania punicea | red sesbania | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Silybum marianum | blessed milkthistle | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Sinapis arvensis | wild mustard | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Sisymbrium irio | London rocket | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Spartina alterniflora | smooth cordgrass and hybrids | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Spartina alterniflora x foliosa hybrids | smooth cordgrass and hybrids | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Spartina densiflora | dense-flowered cordgrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Spartium junceum | Spanish broom | plant | woody | widespread | n/a (already in CA) | Cal-IPC list | |
| Tamarix aphylla | athel tamarisk | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Tamarix parviflora | smallflower tamarisk | plant | woody | widespread | n/a (already in CA) | Cal-IPC list | |
| Tamarix ramosissima | saltcedar | plant | woody | widespread | n/a (already in CA) | Cal-IPC list | |
| Tanacetum vulgare | common tansy | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Torilis arvensis | hedgeparsley | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Trifolium hirtum | rose clover | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Undaria pinnatifida | wakame | plant | algae | widespread | n/a (already in CA) | Cal-IPC list | |
| Verbascum thapsus | common mullein | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Vinca major | big periwinkle | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Vulpia myuros | rattail fescue | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Washingtonia robusta | Mexican fan palm | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Zantedeschia aethiopica | calla lily | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Acacia dealbata | silver wattle | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Acacia melanoxylon | black acacia | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Albizia lophantha | plume acacia | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Alternanthera philoxeroides | alligator weed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Asparagus asparagoides | bridal creeper | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Asphodelus fistulosus | onionweed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Brachypodium distachyon | annual false-brome | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Cordyline australis | giant dracaena | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Crocosmia x crocosmiiflora | montbretia | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Ehrharta longiflora | long-flowered veldtgrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Eucalyptus camaldulensis | red gum | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Helichrysum petiolare | licoriceplant | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Ilex aquifolium | English holly | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Saccharum ravennae | ravennagrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Salvinia molesta | giant salvinia | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Sapium sebiferum | Chinese tallowtree | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Spartina anglica | common cordgrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Spartina patens | saltmeadow cord grass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Stipa capensis | Mediterranean steppegrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Verbena litoralis | tall vervain | plant | herbaceous | widespread | n/a (already in CA) | Cal-IPC list | |
| Watsonia meriana | bulbil watsonia | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Brachypodium sylvaticum | perennial false-brome | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Poa pratensis | Kentucky bluegrass | plant | grass | widespread | n/a (already in CA) | Cal-IPC 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 | |
| Bromus madritensis ssp. rubens | red brome | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Pteropus spp. | Flying fox | vertebrate | mammal | not present | low | Cal Code 14:671 | |
| Dasypus novemcinctus | Nine-banded armadillo | vertebrate | mammal | not present | high | Cal Code 14:671 | |
| Rattus norvegicus | Norway rat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Rattus rattus | Ship rat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Cricetomys gambianus | Gambian giant pouched rat | vertebrate | mammal | not present | low | Cal Code 14:671 | |
| Mus musculus | House mouse | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Castor canadensis | Beaver | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Myocastor coypus | Nutria | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Vulpes vulpes | Red Fox | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Canis familiaris | Feral dog | vertebrate | mammal | limited | high | Cal Code 14:671 | |
| Mustela putorius | European polecat or ferret | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Felis catus | Feral cat | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Sus scrofa | Feral pig | vertebrate | mammal | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Cervus axis | Axis deer | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Cervus dama | Fallow deer | vertebrate | mammal | limited | n/a (already in CA) | Cal Code 14:671 | |
| Cygnus olor | Mute swan | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Melagris gallopavo | Common turkey | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Streptopelia decaocto | Eurasian collared dove | vertebrate | bird | not present | high | Cal Code 14:671 | |
| Myiopsitta monachus | Monk parakeet | vertebrate | bird | limited | n/a (already in CA) | Cal Code 14:671 | |
| Passer domesticus | House sparrow | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Quelea quelea | Red-billed quelea | vertebrate | bird | not present | low | Cal Code 14:671 | |
| Sturnus vulgaris | European starling | vertebrate | bird | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Acridotheres cristatellus | Crested mynah | vertebrate | bird | not present | low | Cal Code 14:671 | |
| Bufo marinus | Giant toad | vertebrate | amphibian | not present | high | Cal Code 14:671 | |
| Eleutherodactylus coqui | Coqui frog | vertebrate | amphibian | not present | high | Cal Code 14:671 | |
| Osteopilus septentrionalis | Cuban treefrog | vertebrate | amphibian | not present | low | Cal Code 14:671 | |
| Rana catesbeiana | American bullfrog | vertebrate | amphibian | widespread | n/a (already in CA) | Cal Code 14:671 | |
| Xenopus laevis | African clawed frog | vertebrate | amphibian | limited | n/a (already in CA) | Cal Code 14:671 | |
| Ambystoma tigrinum | Eastern Tiger Salamander | vertebrate | amphibian | limited | high | Cal Code 14:671 | |
| Trachemys scripta elegans | Red-eared slider | vertebrate | reptile | limited | n/a (already in CA) | Cal Code 14:671 | |
| Chelydra serpentine | Snapping turtle | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
| Caiman crocodilus | Spectacled caiman | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Anolis equestris | Knight anole | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Anolis sagrei | Brown anole | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Ctenosaura similis | Black spinytail iguana | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Ctenosaura pectinata | Mexican spinytail iguana | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
| Gekko gecko | Tokay gecko | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Varanus niloticus | Nile monitor | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
| Tupinambis merianae | Argentina giant tegu | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Boa constrictor | Common boa | vertebrate | reptile | limited | n/a (already in CA) | Cal Code 14:671 | |
| Python molurus | Burmese python | vertebrate | reptile | not present | moderate | Cal Code 14:671 | |
| Nerodia rhombifer | Diamondback water snake | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Boiga irregularis | Brown treesnake | vertebrate | reptile | not present | high | Cal Code 14:671 | |
| Amia calva | Bowfin | vertebrate | fish | not present | high | Cal Code 14:671 | |
| Clarias batrachus | Walking catfish | vertebrate | fish | not present | moderate | Cal Code 14:671 | |
| Lepstosteus lucius | Longnose Gar | vertebrate | fish | not present | high | Cal Code 14:671 | |
| Channa argus | Northern Snakehead | vertebrate | fish | not present | moderate | Cal Code 14:671 | |
| Esox lucius | Northern Pike | vertebrate | fish | not present | high | Cal Code 14:671 |
