Transverse Ranges | Level 4 (Parent) |
         Sierra Madre | Level 5 (Sibling) |
         San Rafael Mountains | Level 5 (Sibling) |
         Santa Ynez Mountains | Level 5 (Sibling) |
         San Emigdio Mountains | Level 5 (Sibling) |
         Ventura Ranges | Level 5 |
                 Cuyama Area | Level 6 (Child) |
                 Matilija-Ortega Area | Level 6 (Child) |
                 Pine Mountain | Level 6 (Child) |
                 Alamo Peak Area | Level 6 (Child) |
                 Topatopa Mountains | Level 6 (Child) |
                 Sespe Condor Area | Level 6 (Child) |
                 Sulphur Mountain | Level 6 (Child) |
                 Oak Ridge | Level 6 (Child) |
                 Santa Susana Mountains | Level 6 (Child) |
                 Simi Hills | Level 6 (Child) |
         Sierra Pelona-Portal Ridge | Level 5 (Sibling) |
         San Gabriel Mountains | Level 5 (Sibling) |
         San Bernardino Mountains | Level 5 (Sibling) |
         Santa Monica Mountains | Level 5 (Sibling) |