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 |
|---|---|---|---|---|---|---|
| Megalopyge opercularis | puss caterpillar | arthropod | butterfly, moth | not present | low | |
| Melagris gallopavo | Wild turkey | vertebrate | bird | widespread | n/a (already in CA) | View Scorecard |
| Melaleuca quinquenervia | broadleaf paper bard tree | plant | woody | not present | low | |
| Melampsora pinitorqua | Twist Rust | disease | fungus | |||
| Melanaspis obscura | obscure scale | arthropod | scale, aphid | limited | n/a (already in CA) | |
| Melanomma glumarum | Glume Blotch | disease | fungus | |||
| Melastoma malabathricum | Malabar melastome | plant | woody | not present | low | |
| Melinis repens | Natal grass | plant | grass | limited | n/a (already in CA) | View Scorecard |
| Melittia calabaza | southwestern squash vine borer | arthropod | butterfly, moth | not present | moderate | |
| Melittia cucurbitae | squash vine borer | arthropod | butterfly, moth | not present | moderate | |
| Melopsittacus undulatus | Budgerigar | vertebrate | bird | |||
| Mentha pulegium | pennyroyal | plant | herbaceous | widespread | n/a (already in CA) | View Scorecard |
| Mephitis mephitis | Skunk | vertebrate | mammal | widespread | n/a (already in CA) | |
| Meriones unguiculatus | Mongolian gerbil | vertebrate | mammal | not present | moderate | |
| Mesembryanthemum crystallinum | crystalline iceplant | plant | herbaceous | widespread | n/a (already in CA) | View Scorecard |
| Mesolecanium nigrofasciatum | terrapin scale | arthropod | scale, aphid | not present | moderate | |
| Metamasius spp. | bromeliad weevils | arthropod | beetle | not present | moderate | |
| Microcyclus ulei | South American Leaf Blight | disease | fungus | not present | low | |
| Mikania cordata | mile-a-minute | plant | herbaceous | not present | low | |
| Mikania micrantha | bittervine | plant | herbaceous | not present | low | |
| Milium vernale | milium | plant | grass | not present | low | |
| Mimosa diplotricha | giant sensitive plant | plant | woody | not present | low | |
| Mimosa invisa | giant sensitive plant | plant | woody | not present | low | |
| Mimosa pellita | lollipop mimosa | plant | woody | not present | low | |
| Mimosa pigra | catclaw mimosa | plant | woody | not present | low | |
| Mirabilis nyctaginea | wild four o-clock | plant | herbaceous | limited | n/a (already in CA) | |
| Mitraspora cyprini Fujita | Parasitic protozoan of fish | invertebrate | nematode | |||
| Molossus molossus | Pallas's mastiff bat | vertebrate | mammal | |||
| Molothrus ater | Brown-headed cowbird | vertebrate | bird | widespread | n/a (already in CA) | View Scorecard |
| Monilinia fructigena | Brown Rot of Fruit | disease | fungus | |||
| Moniliophthora roreri | Watery Pod Rot | disease | fungus | |||
| Monochoria hastata | arrowleaf falsepickerelweed | plant | herbaceous | not present | low | |
| Monochoria vaginalis | heartshape false pickerelweed | plant | herbaceous | limited | n/a (already in CA) | View Scorecard |
| Monogeminivirus msv | Maize Streak Virus | disease | virus | |||
| Mononychellus tanajoa | green spider mite | arthropod | mite | not present | moderate | |
| Monopterus albus | Asian swamp eel | vertebrate | fish | not present | low | |
| Morbillivirus ppr | Peste des Petits Ruminants; | disease | virus | |||
| Morbillivirus RBOK | Rinderpest virus | disease | virus | not present | ||
| Morganella longispina | plumose scale | arthropod | scale, aphid | not present | high | |
| Morone chrysops | White bass | vertebrate | fish | limited | n/a (already in CA) | View Scorecard |
| Mountain Ash Ringspot Mosaic Agent | Mountain Ash Ringspot Mosaic Agent | disease | virus | |||
| Mountain Ash Variegation Agent | Mountain Ash Variegation Agent | disease | virus | |||
| Muhlenbergia schreberi | nimblewill | plant | grass | limited | n/a (already in CA) | |
| Mulberry Mosaic Agent | Mulberry Mosaic Agent | disease | virus | |||
| Murdannia keisak | marsh dew flower | plant | herbaceous | not present | moderate | |
| Mus musculus | House mouse | vertebrate | mammal | widespread | n/a (already in CA) | View Scorecard |
| Mustela erminea | Stoat | vertebrate | mammal | |||
| Mustela nivalis | Least weasel | vertebrate | mammal | |||
| Mustela putorius | European polecat or ferret | vertebrate | mammal | limited | n/a (already in CA) | View Scorecard |
| Mustela vision | American mink | vertebrate | mammal | |||
| Mya arenaria | Soft-shell clam | invertebrate | aquatic mollusk, marine | limited | n/a (already in CA) | |
| Mycetaspis spaerioides | armored scale | arthropod | scale, aphid | not present | high | |
| Mycobacterium bovis | Bovine tuberculosis | disease | bacterium | limited | n/a (already in CA) | View Scorecard |
| Mycoplasma capricolum capripneumoniae | Contagious Bovine Caprine Pleuropneumonia | disease | bacterium | not present | low | |
| Mycoplasma mycoides mycoides | Bovine pleuropneumonia | disease | bacterium | not present | low | |
| Mycosphaerella dearnesii | Brown Spot Needle Blight | disease | fungus | |||
| Mycosphaerella pini | Red Band Needle Blight | disease | fungus | |||
| Myiopsitta monachus | Monk parakeet | vertebrate | bird | limited | n/a (already in CA) | View Scorecard |
| Myllocerus undecimpustulatus undatus | Sri Lanka weevil | arthropod | beetle | not present | moderate | |
| Mylopharyngodon piceus | Black Carp | vertebrate | fish | not present | high | View Scorecard |
| Myndus crudus | American palm cixiid | arthropod | scale, aphid | not present | high | |
| Myocastor coypus | Nutria | vertebrate | mammal | limited | n/a (already in CA) | View Scorecard |
| Myoporum laetum | myoporum | plant | woody | limited | n/a (already in CA) | |
| Myosotella myosotis | Mouse-ear marshsnail | invertebrate | aquatic mollusk, marine | limited | n/a (already in CA) | |
| Myosotis latifolia | common forget-me-not | plant | herbaceous | limited | n/a (already in CA) | |
| Myosoton aquaticum | giant chickweed | plant | herbaceous | not present | moderate | |
| Myriophyllum aquaticum | parrotfeather | plant | herbaceous | limited | n/a (already in CA) | View Scorecard |
| Myriophyllum spicatum | Eurasian watermilfoil | plant | herbaceous | widespread | n/a (already in CA) | View Scorecard |
| Mytilus galloprovincialis | Mediterranean blue mussel | invertebrate | aquatic mollusk, marine | widespread | n/a (already in CA) | |
| Myxobolus (Lentospora) cerebralis | Protozoic Whirling disease | disease | parasitic animal | limited | n/a (already in CA) | View Scorecard |
| n/a Citrus chlorotic dwarf | n/a Citrus chlorotic dwarf | disease | virus | not present | ||
| n/a Citrus leaf blotch virus | n/a Citrus leaf blotch virus | disease | virus | not present | ||
| n/a Citrus psorosis virus | n/a Citrus psorosis virus | disease | virus | limited | ||
| n/a Citrus vein-enation virus probably Luteovirus | n/a Citrus vein-enation virus probably Luteovirus | disease | virus | not present | ||
| n/a Citrus viroids | n/a Citrus viroids | disease | virus | not present | ||
| n/a Concave gum/blind pocket | n/a Concave gum/blind pocket | disease | virus | limited | ||
| n/a Indian citrus ringspot virus | n/a Indian citrus ringspot virus | disease | virus | not present | ||
| Najas minor | slender-leaved naiad | plant | herbaceous | not present | moderate | |
| Nandayus nenday | Nanday conure | vertebrate | bird | n/a (already in CA) | ||
| Nardus stricta | matgrass | plant | grass | not present | moderate | |
| Nassella trichotoma | serrated tussock | plant | grass | not present | low | |
| Nasua narica | White-nosed coati | vertebrate | mammal | |||
| Nasua nasua | Coatimundi | vertebrate | mammal | |||
| Naupactus leucoloma | whitefringed beetle | arthropod | beetle | limited | n/a (already in CA) | |
| Naupactus spp. | whitefringed beetles | arthropod | beetle | limited | n/a (already in CA) | |
| Naupactus xanthographus | South American fruit tree weevil | arthropod | beetle | not present | moderate | |
| Neogobius melanostomus | Round goby | vertebrate | fish | not present | moderate | |
| Neomaskellia bergii | sugarcane whitefly | arthropod | scale, aphid | not present | high | |
| Nepovirus ailv | Artichoke Italian Latent Virus | disease | virus | |||
| Nepovirus armv | Arabis mosaic virus and its strains | disease | virus | |||
| Nepovirus avb | Arracacha Virus B | disease | virus | |||
| Nepovirus brv | Black Currant Reversion Virus | disease | virus | |||
| Nepovirus cnv | Cocoa Necrosis Virus | disease | virus | |||
| Nepovirus csalv | Cassava Latent Virus | disease | virus | |||
| Nepovirus gblv | Grapevine Bulgarian Latent Virus | disease | virus | |||
| Nepovirus gcmv | Grapevine Chrome Mosaic Virus | disease | virus | |||
| Nepovirus gtrsv | Grapevine Tunisian Ringspot Virus | disease | virus | not present | low | |
| Nepovirus lalv | Lucerne Vein Yellowing Virus | disease | virus | |||
| Nepovirus lasv | Lucerne Australian Symptomless Virus | disease | virus | |||
| Nepovirus pvu | Potato Virus U | disease | virus |