| Los Angeles | LA |
| Santa Monica Mtns | SMM |
| Orange County | OC |
| San Diego | SD |
| Baja | BA |
| Southeast Desert | SED |
| Mojave Desert | MJD |
| San Andreas | SAF |
| Ventura | VE |
| Sespe | SE |
| Santa Barbara | SB |
| Catalina Island | CTI |
| Santa Rosa Island | SRI |
| San Nicholas Island | SNI |
| Santa Cruz Island | SCI |
| Northern Channel Islands | NCI |
| San Luis Obispo | SLO |
| Central Coast Range | CCR |
| Salinas/Monterey | MS |
| Bay Area | BAY |
| Northern California | NC |
| Cascades/Klamath | CK |
| Sacramento | SAC |
| Western Sierra | WS |
| Mammoth/Long Valley | MLV |
| Owens Valley | OV |
| East of Owens Valley | EOV |
| Basin and Range | BR |
| Death Valley | DV |
| Transverse Ranges | TR |
| Bakersfield | BK |
| California | CA |
| Hawaii | HI |
| Alaska | AK |
| Vancouver | VA |
| Western US | WUS |
| Northeast US | NEUS |
| Yellowstone | YS |
| Arizona | AZ |