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
Gymnosporangium asiaticum Rust: Pear and Juniper disease fungus not present
Gypsophila paniculata baby's breath plant herbaceous limited n/a (already in CA)
Gyrodactylus elegans Parasitic flatworm of fish invertebrate nematode
Halimodendron halodendron Russian salttree plant woody not present moderate
Halogeton glomeratus halogeton plant herbaceous limited n/a (already in CA) View Scorecard
Halyomorpha halys Brown marmorated stink bug arthropod scale, aphid limited n/a (already in CA)
Halysidota tessellaris pale tussock moth arthropod butterfly, moth not present moderate
Haplothrips chinensis thrips arthropod thrips not present high
Harmonia axyridis Multicolored asian ladybeetle arthropod beetle not present high
Harrisina americana grapeleaf skeletonizer arthropod butterfly, moth not present high
Harrisina brillians western grapeleaf skeletonizer arthropod butterfly, moth widespread n/a (already in CA)
Hedera canariensis Algerian ivy plant woody widespread n/a (already in CA)
Hedera helix English ivy plant woody widespread n/a (already in CA)
Hedera hibernica English ivy plant woody not present high
Heilipus lauri avocado seed weevil arthropod beetle not present high
Helianthus ciliaris blueweed plant herbaceous limited n/a (already in CA)
Helichrysum petiolare licoriceplant plant woody limited n/a (already in CA)
Helicoverpa hawaiiensis Hawaiian bud moth arthropod butterfly, moth not present moderate
Heliocoverpa armigera (Hübner) cotton bollworm arthropod butterfly, moth not present high View Scorecard
Hemiberlesia palmae tropical palm scale arthropod scale, aphid not present high
Hemicycliophora arenaria sheath nematode invertebrate nematode unknown n/a (already in CA) View Scorecard
Hemidactylus frenatus Common house gecko vertebrate reptile
Hemidactylus garnotti Indo-Pacific gecko vertebrate reptile
Hemidactylus mabouia Tropical house gecko vertebrate reptile
Hemidactylus platyurus Asian flat-tailed gecko vertebrate reptile
Hemidactylus turcicus Mediterranean gecko vertebrate reptile
Hemileia vastatrix Yellow ring mosaic agent (assoc. with Jasminum) disease virus
Hemileia vastatrix Coffee Rust disease fungus
Hemimene juliana nut fruit tortrix arthropod butterfly, moth not present low
Hemiphyllodactylus typus Indo-Pacific tree gecko vertebrate reptile
Hemitragus jemlahicus Himalayan tahr vertebrate mammal n/a (already in CA)
Heracleum mantegazzianum giant hogweed plant herbaceous not present high View Scorecard
Herpestes auropunctatus Small Indian mongoose vertebrate mammal
Hesperis matronalis dame's rocket plant herbaceous limited n/a (already in CA)
Hieracium atratum polar hawkweed plant herbaceous not present low
Hieracium aurantiacum orange hawkweed plant herbaceous not present high View Scorecard
Hieracium caespitosum yellow hawkweed plant herbaceous not present high
Hieracium glomeratum queen devil hawkweed plant herbaceous not present low
Hieracium laevigatum smooth hawkweed plant herbaceous not present low
Hieracium pilosella mouseear hawkweed plant herbaceous not present moderate
Hieracium piloselloides king devil hawkweed plant herbaceous not present moderate
Hieracium x floribundum yellow devil hawkweed plant herbaceous not present moderate
Hirschfeldia incana shortpod mustard plant herbaceous widespread n/a (already in CA)
Holcus lanatus common velvet grass plant grass widespread n/a (already in CA)
Holotrichia mindanaona white grub arthropod beetle not present moderate
Homaledra sabalella palm leafskeletonizer arthropod butterfly, moth limited n/a (already in CA)
Homalodisca vitripennis glassy-winged sharpshooter arthropod scale, aphid limited n/a (already in CA) View Scorecard
Homeria spp. cape tulip plant herbaceous not present low
Hordeum marinum Mediterranean barley plant grass widespread n/a (already in CA)
Hordeum murinum Mediterranean barley plant grass widespread n/a (already in CA)
Horidiplosis ficifolii Ornamental fig pest arthropod fly not present low
Howardia biclavis mining scale arthropod scale, aphid not present high
Hydrilla verticillata hydrilla plant herbaceous limited n/a (already in CA) View Scorecard
Hydrocharis morsus-ranae European frog-bit plant herbaceous not present moderate
Hygrophila polysperma Miramar weed plant herbaceous not present high View Scorecard
Hylastinus obscurus clover root borer arthropod beetle limited n/a (already in CA)
Hylobius pales pales weevil arthropod beetle not present high
Hylotrupes bajulus old house borer arthropod beetle not present high
Hylurgus ligniperda redhaired pine bark beetle arthropod beetle not present high
Hyoscyamus niger black henbane plant herbaceous limited n/a (already in CA)
Hypericum canariense Canary Island hypericum plant woody limited n/a (already in CA)
Hypericum perforatum common St. John's wort plant herbaceous widespread n/a (already in CA) View Scorecard
Hyperoides humilis weevil arthropod beetle limited n/a (already in CA)
Hypochaeris glabra smooth catsear plant herbaceous widespread n/a (already in CA)
Hypochaeris radicata rough catsear plant herbaceous widespread n/a (already in CA)
Hypophthalmichthys harmandi Largescale Carp vertebrate fish not present moderate View Scorecard
Hypophthalmichthys molitrix Silver Carp vertebrate fish not present moderate View Scorecard
Hypophthalmichthys nobilis Bighead Carp vertebrate fish not present high View Scorecard
Hypothenemus hampei coffee berry borer arthropod beetle not present moderate
Icerya aegyptiaca Egyptian fluted scale arthropod scale, aphid not present moderate
Ichthyophithirius multifilis Parsitic protozoan of fish invertebrate nematode
Icterus pectoralis Spot-breasted oriole vertebrate bird
Iguana iguana Green iguana vertebrate reptile
Ilarvirus apmv Apple mosaic virus disease virus
Ilex aquifolium English holly plant woody limited n/a (already in CA)
Ilynassa obsoleta Eastern mudsnail invertebrate aquatic mollusk, marine limited n/a (already in CA)
Impatiens glandulifera policeman's helmet plant herbaceous not present moderate
Imperata brasiliensis Brazilian satintail plant grass not present low
Imperata cylindrica cogongrass plant grass not present moderate
Influenzavirus hpav Highly Pathogenic Avian Influenza disease virus
Inopus rubriceps Australian sod fly arthropod fly limited n/a (already in CA)
Ipomoea aquatica swamp morningglory plant herbaceous limited n/a (already in CA) View Scorecard
Ipomoea triloba three-cornered morning glory plant herbaceous limited n/a (already in CA)
Ipomovirus cbsv Cassava Brown Streak Virus disease virus
Isatis tinctoria dyer's woad plant herbaceous widespread n/a (already in CA) View Scorecard
Isavirus isa Infectious Salmon Isavirus Anemia (ISA) disease virus
Ischaemum rugosum murainograss plant grass not present low
Ischnaspis longirostris black thread scale arthropod scale, aphid not present high
Ischnoderma rosulata Wood decay disease fungus
Jasmine Variegation Agents Jasmine Variegation Agents disease virus
Junghuhnia vincta Corm dry rot disease fungus
Kickxia elatine sharpleaf cancerwort plant herbaceous widespread n/a (already in CA)
Kilifia acuminata acuminate scale arthropod scale, aphid not present high
Kochia scoparia kochia plant herbaceous widespread n/a (already in CA) View Scorecard
Lacerta bilineata Western green lacerta vertebrate reptile
Lachnellula willkommii Eurpoean larch canker disease fungus
Lactuca serriola prickly lettuce plant herbaceous widespread n/a (already in CA)
Lagarosiphon major oxygen weed plant herbaceous not present moderate View Scorecard
Lagopus leucurus White-tailed ptarmigan vertebrate bird
Lamium amplexicaule henbit deadnettle plant herbaceous widespread n/a (already in CA)
Displaying 701 - 800 of 1712 Species
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