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 | |
|---|---|---|---|---|---|---|---|
| Abgrallaspis aguacatae | armored scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Abgrallaspis palmae | tropical palm scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Abutilon theophrasti | velvet leaf | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| 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 | |
| Acacia paradoxa | kangaroothorn | plant | woody | limited | n/a (already in CA) | CDFA | |
| Acaena novae-zelandiae | biddy-biddy | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Acaena pallida | pale biddy-biddy | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Acalymma vittatum | striped cucumber beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| 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) | |
| Acarapis woodi | honey bee tracheal mite | arthropod | widespread | n/a (already in CA) | USDA Plant/Pest | ||
| Achnatherum brachychaetum | punagrass | plant | grass | limited | n/a (already in CA) | CDFA | |
| Aclerda tokionis | grass scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Acremonium (Cephalosporium) diospyri | Persimmon Wilt | disease | fungus | not present | moderate | ForestPests.org | |
| Acridotheres cristatellus | Crested mynah | vertebrate | bird | not present | low | Cal Code 14:671 | |
| Acridotheres tristis | Common mynah | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | CDFA Vert List | |
| Acrobasis juglandis | pecan leaf casebearer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Acrobasis nuxvorella | pecan nut casebearer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Acrochordus javanicus | Javan filesnake | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Acrolepia assectella | leek moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Acrolepiopsis assectella | leek moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Acroptilon repens | Russian knapweed | plant | herbaceous | widespread | n/a (already in CA) | MT Weed List | |
| Acutaspis albopicta | albopicta scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Acutaspis tingi | ting scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Adelphocoris rapidus | rapid plant bug | arthropod | scale, aphid | widespread | n/a (already in CA) | CDFA (reg. A) | |
| Adoretus sinicus | chinese rose beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Adoretus spp. | Adoretus spp. | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Adoxophyes orana | summer Fruit Tortrix Moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| 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 | |
| Aegilops cylindrica | jointed goatgrass | plant | grass | widespread | n/a (already in CA) | WA Weed List | |
| Aegilops ovata | ovate goatgrass | plant | grass | limited | n/a (already in CA) | CDFA | |
| Aegilops triuncialis | barb goatgrass | plant | grass | widespread | n/a (already in CA) | CDFA | |
| Aeginetia spp. | aeginetia | plant | herbaceous | not present | moderate | USDA Plant/Pest | |
| Aerodramus bartschi | Mariana swiftlet | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Aerodramus fuciphagus | Edible-nest swiftlet | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Aeschynomene rudis | rough jointvetch | plant | woody | limited | n/a (already in CA) | CDFA | |
| Aethina tumida | small hive beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Agama agama | Red-headed agama | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Agapornis spp. | Lovebird | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Ageratina adenophora | croftonweed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Agkistrodon spp. | Copperhead snake | vertebrate | reptile | not present | low | DFG Code 2118 | |
| Agrilus coxalis | golden spotted oak borer | arthropod | beetle | limited | n/a (already in CA) | pest of concern | |
| Agrilus planipennis | emerald ashborer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Agrilus ruficollis | rednecked cane borer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Agrostis avenacea | Pacific bentgrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Agrostis stolonifera | creeping bentgrass | plant | grass | limited | n/a (already in CA) | Cal-IPC list | |
| Ailanthus altissima | tree-of-heaven | plant | woody | widespread | n/a (already in CA) | Cal-IPC list | |
| Aix galericulata | Mandarin duck | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Alabama argillacea | cotton leafworm | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Albizia lophantha | plume acacia | plant | woody | limited | n/a (already in CA) | Cal-IPC list | |
| Alectoris barbara | Barbary partridge | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Alectoris chukar | Chukar partridge | vertebrate | bird | VALUE REQUIRED | n/a (already in CA) | FL FWCC NNS List | |
| Alectra spp. | alectra | plant | herbaceous | not present | moderate | USDA Plant/Pest | |
| Aleurocanthus spiniferus | orange spiny whitefly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Aleurocanthus woglumi | citrus blackfly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Aleuroclava aucubae | aucuba whitefly | arthropod | scale, aphid | widespread | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Alfamovirus pyv | Potato Yellowing Virus | disease | virus | VALUE REQUIRED | VALUE REQUIRED | APHIS OPIS | |
| Alhagi maurorum | camelthorn | plant | woody | limited | n/a (already in CA) | NV Weed List | |
| Allaria petiolata | garlic mustard | plant | herbaceous | not present | high | OR Weed List | |
| Allium paniculatum | panicled onion | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Allium vineale | wild garlic | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Alopecurus myosuroides | blackgrass | plant | grass | limited | n/a (already in CA) | WA Weed List | |
| Alphavirus eeev | Eastern Equine Encephalitis Virus | disease | virus | not present | low | Chavarria NRDC | |
| Alphavirus veev | Venezuelan Equine Encephalitis Virus | disease | virus | not present | low | NIAID | |
| Alternanthera philoxeroides | alligator weed | plant | herbaceous | limited | n/a (already in CA) | Cal-IPC list | |
| Alternanthera sessilis | sessile joyweed | plant | herbaceous | not present | moderate | USDA Plant/Pest | |
| Alyssum corsicum | yellowtuft | plant | herbaceous | not present | moderate | OR Weed List | |
| Alyssum murale | yellowtuft | plant | herbaceous | not present | moderate | OR Weed List | |
| Amandava amandava | Red avadavat | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amaranthus albus | prostrate pigweed | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| Amaranthus hybridus | slim amaranth | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| Amaranthus retroflexus | redroot amaranth | plant | herbaceous | widespread | n/a (already in CA) | Weeds of CA | |
| Amazona aestiva | Blue-fronted Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amazona finschi | Lilac-crowned parrot | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amazona ochrocephula | Yellow-crowned Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amazona oratrix | Yellow-headed Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amazona viridigenalis | Green-cheeked Amazon | vertebrate | bird | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Ambrosia artemisifolia | ragweed | plant | herbaceous | widespread | n/a (already in CA) | OR Weed List | |
| Ambrosia tomentosa | skeletonleaf bursage | plant | herbaceous | not present | high | ID Weed List | |
| Ambrosia trifida | giant ragweed | plant | herbaceous | limited | n/a (already in CA) | CDFA | |
| Ambystoma tigrinum | Eastern Tiger Salamander | vertebrate | amphibian | limited | high | Cal Code 14:671 | |
| Ameiva ameiva | Giant ameiva | vertebrate | reptile | VALUE REQUIRED | VALUE REQUIRED | FL FWCC NNS List | |
| Amia calva | Bowfin | vertebrate | fish | not present | high | Cal Code 14:671 | |
| Ammophila arenaria | European beachgrass | plant | grass | widespread | n/a (already in CA) | Cal-IPC list | |
| Ammotragus lervia | Aoudad | vertebrate | mammal | VALUE REQUIRED | VALUE REQUIRED | Witmer et al | |
| Amorpha fruticosa | indigobush | plant | woody | limited | n/a (already in CA) | WA Weed List | |
| Amphitetranychus viennensis | fruit tree spider mite | arthropod | mite | not present | high | USDA Plant/Pest | |
| Anastrepha fraterculus | South American fruit fly | arthropod | fly | not present | high | CDFA (reg. A) | |
| Anastrepha grandis | South American cucurbit fruit fly | arthropod | fly | not present | high | USDA Plant/Pest | |
| Anastrepha ludens complex | Mexican fruit fly complex | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Anastrepha obliqua | West Indian fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Anastrepha serpentina | sapote fruit fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Anastrepha sp. | exotic fruit fly | arthropod | fly | not present | high | CDFA (reg. A) | |
| Anastrepha striata | guava fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Anastrepha suspensa | Caribbean fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Anchusa arvensis | annual bugloss | plant | herbaceous | limited | n/a (already in CA) | WA Weed List |
