Los Angeles Basin
Crotalus horridus horridus
California whipsnake
bush
striped racer
Colorado Desert
Masticophis lateralis
Andes Mountains
Pellaea andromedifolia
ghat
montane
wilds
coffee fern
Alpine
Camassia leichtlinii
Leichtlin's camas
Katmai National Park
sierra
Katmai National Park and Preserve
Santa Cruz
perennial ragweed
Baja California
Ambrosia psilostachya
Mexican swamp cypress
Baja California Peninsula
Montezuma cypress
Sacramento Mountains
Mexican Plateau
Coleen
Taxodium mucronatum
western ragweed
boreo-montane
Lower California
Crotalus lepidus
Santa Monica Mountains
rock rattlesnake
Centrocercus urophasianus
subrange
Yosemite toad
sage hen
wild
Bufo canorus
Sierra Madre Occidental
sage grouse
Oasisamerica
altimontane
Squaw Valley