California
Venomous:
Mojave Desert Sidewinder (Crotalus cerastes cerastes)-Venomous
Colorado Desert Sidewinder (Crotalus cerastes laterorepens )-Venomous
Southern Pacific Rattlesnake (Crotalus oreganus helleri)-Venomous
Great Basin Rattlesnake (Crotalus oreganus lutosus)-Venomous
Southwestern Speckled Rattlesnake (Crotalus pyrrhus)-Venomous
Northern Mohave Rattlesnake (Crotalus scutulatus scutulatus)-Venomous
Northern pacific rattlesnake (Crotalus oreganus oreganus)-Venomous
Non-venomous:
Mojave Shovel-nosed Snake (Chionactis occipitalis occipitalis )
San Bernardino Ring-necked Snake (Diadophis punctatus modestus)
Northwestern Ring-necked Snake (Diadophis punctatus occidentalis)
Coral-bellied Ring-necked Snake (Diadophis punctatus pulchellus)
Monterey Ring-necked Snake (Diadophis punctatus vandenburghi)
Northern Desert Night Snake (Hypsiglena chlorophaea deserticola)
Santa Cruz Island Gopher Snake (Pituophis catenifer pumilis)
California Red-sided Garter Snake (Thamnophis sirtalis infernalis)
San Francisco Garter Snake (Thamnophis sirtalis tetrataenia)