Invasive Species List

Species List Information

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.

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 Link
Plasmodium falciparum Malaria disease protist
Plasmodium knowlesi Malaria disease protist
Plasmodium malariae Malaria disease protist
Plasmodium ovale Malaria disease protist
Plasmodium relictum Avian malaria disease protist
Plasmodium vivax Malaria disease protist
Plathypena scabra green cloverworm arthropod butterfly, moth not present moderate
Pleistophora hyphessobryconis Neon-tetra disease of fish invertebrate nematode
Plum Bark Split Virus Plum Bark Split Virus disease virus
Poa pratensis Kentucky bluegrass plant grass widespread n/a (already in CA)
Podarcis muralis Common wall lizard vertebrate reptile
Podarcis sicula Italian wall lizard vertebrate reptile
Poicephalus senegalus Senegal parrot vertebrate bird
Poliaspis cycadis Poliaspis cycad scale arthropod scale, aphid not present high
Polygonum arenastrum oval leaf knotweed plant herbaceous widespread n/a (already in CA)
Polygonum cuspidatum Japanese knotweed plant woody limited n/a (already in CA) View Scorecard
Polygonum polystachyum Himalayan knotweed plant herbaceous limited n/a (already in CA)
Polygonum sachalinense Sakhalin knotweed plant herbaceous limited n/a (already in CA)
Polygonum x bohemicum Bohemian knotweed plant herbaceous not present moderate
Polypogon monspeliensis and subspp. rabbitfoot polypogon plant grass widespread n/a (already in CA)
Pontederia cordata pickerelweed plant herbaceous not present moderate
Popillia japonica Japanese beetle arthropod beetle not present high View Scorecard
Popillia lewisi scarab beetle arthropod beetle not present high
Porcine herpesvirus 1 Swine pseudorabies disease virus not present View Scorecard
Porphyrio porphyrio Purple Swamphen vertebrate bird not present high
Portulaca oleracea common purslane plant herbaceous widespread n/a (already in CA)
Potamocorbula amurensis Overbite clam invertebrate aquatic mollusk, marine limited n/a (already in CA)
Potamogeton crispus curlyleaf pondweed plant herbaceous widespread n/a (already in CA) View Scorecard
Potamopyrgus antipodarum New Zealand mudsnail invertebrate aquatic mollusk, freshwater limited n/a (already in CA) View Scorecard
Potentilla recta sulfur cinquefoil plant herbaceous limited n/a (already in CA) View Scorecard
Potexvirus (?) or Potyvirus (?) Potato veinal necrosis virus (PVYN) disease virus
Potexvirus gcsv Groundnut Chlorotic Spotting Virus disease virus
Potos flavus Kinkajou vertebrate mammal
Potyvirus bcmv Azuki bean mosaic virus disease virus
Potyvirus cdv Datura Colombian Virus disease virus
Potyvirus ddmv Datura Distortion Mosaic Virus disease virus
Potyvirus demv Datura Enation Mosaic Virus disease virus
Potyvirus ppv Plum Pox Virus disease virus not present high View Scorecard
Potyvirus pvv Potato Virus V disease virus
Potyvirus pvy Potato Virus Y disease virus
Potyviruses: Potyviridae Plum pox disease virus not present moderate
Pratylenchus coffeae root-lesion nematode invertebrate nematode unknown moderate View Scorecard
Prays endocarpa citrus pock caterpillar arthropod butterfly, moth not present low
Proboscidea louisianica unicorn-plant plant herbaceous widespread n/a (already in CA)
Proeulia spp. Proeulia spp. arthropod butterfly, moth not present low
Prosopis alpataco mesquite plant woody not present low
Prosopis argentina mesquite plant woody not present low
Prosopis articulata mesquite plant woody not present low
Prosopis burkartii mesquite plant woody not present low
Prosopis caldenia mesquite plant woody not present low
Prosopis calingastana cusqui plant woody not present low
Prosopis campestris mesquite plant woody not present low
Prosopis castellanosii mesquite plant woody not present low
Prosopis denudans mesquite plant woody not present low
Prosopis elata mesquite plant woody not present low
Prosopis farcta mesquite plant woody not present low
Prosopis ferox mesquite plant woody not present low
Prosopis fiebrigii mesquite plant woody not present low
Prosopis fiebrigii or Closterovirus wylv ? Wheat Yellow Leaf Virus disease virus
Prosopis hassleri mesquite plant woody not present low
Prosopis humilis mesquite plant woody not present low
Prosopis kuntzei mesquite plant woody not present low
Prosopis pallida mesquite plant woody not present low
Prosopis palmeria mesquite plant woody not present low
Prosopis reptans mesquite plant woody not present low
Prosopis rojasiana mesquite plant woody not present low
Prosopis ruizlealii mesquite plant woody not present low
Prosopis ruscifolia mesquite plant woody not present low
Prosopis sericantha mesquite plant woody not present low
Prosopis strombulifera creeping mesquite plant woody not present moderate
Prosopis torquata mesquite plant woody not present low
Prosopis velutina mesquite plant woody limited n/a (already in CA)
Prostephanus truncatus larger grain borer arthropod beetle not present moderate
Protaetia fusca mango flower beetle arthropod beetle not present moderate
Protaetia orientalis oriental flower beetle arthropod beetle not present moderate
Protopalina symphysodonis Protopalina symphysodonis infection of fish invertebrate nematode
Protopulvinaria pyriformis pyriform scale arthropod scale, aphid limited n/a (already in CA)
Prunus cerasifera cherry plum plant woody widespread n/a (already in CA)
Pseudacysta perseae avocado lace bug arthropod scale, aphid limited n/a (already in CA)
Pseudaonidia paeoniae peony scale arthropod scale, aphid not present high
Pseudaulacaspis cockerelli magnolia white scale arthropod scale, aphid limited n/a (already in CA)
Pseudaulacaspis pentagona white peach scale arthropod scale, aphid not present high
Pseudocercospora timorensis Sweet Potato leaf spot disease fungus
Pseudocheirus peregrinus Ring-tailed possum vertebrate mammal
Pseudococcus cryptus citriculus mealybug arthropod scale, aphid not present high
Pseudococcus dendrobiorum Orchid mealybug arthropod scale, aphid not present high
Pseudococcus elisae banana mealybug arthropod scale, aphid not present low View Scorecard
Pseudococcus importatus imported mealybug arthropod scale, aphid not present moderate
Pseudococcus jackbeardsleyi Jack Beardsley mealybug arthropod scale, aphid not present high View Scorecard
Pseudomonas avellanae Bacterial Canker of Hazelnut disease bacterium
Pseudomonas celebensis Blood disease bacterium of banana disease bacterium
Pseudomonas celebensis Freckle disease bacterium
Pseudomonas lignicola Bacterial Stain disease bacterium
Pseudomonas lignicola Potato Leaflet Stunt disease bacterium
Pseudoparlatoria parlatoriodes false paralatoria scale arthropod scale, aphid not present high
Pseudopezicula tracheiphila Rotbrenner disease fungus
Psila rosae carrot rust fly arthropod fly limited n/a (already in CA)
Psittacula krameri Ring-necked parakeet vertebrate bird
Pterandrus spp. fruit flies arthropod fly limited high
Pterocles exustus Chestnut-bellied sandgrouse vertebrate bird
Displaying 1201 - 1300 of 1712 Species
Download CSV