| Southeast Arizona Ranges | Level 4 (Parent) |
|          Northeast Tucson Area | Level 5 (Sibling) |
|          Huachuca Area | Level 5 |
|                  Picacho Mountains | Level 6 (Child) |
|                  Tortilla Mountains | Level 6 (Child) |
|                  Suizo Mountains | Level 6 (Child) |
|                  Tortolita Mountains | Level 6 (Child) |
|                  Santa Catalina Mountains | Level 6 (Child) |
|                  Rincon Mountains | Level 6 (Child) |
|                  Whetstone Mountains | Level 6 (Child) |
|                  Mustang Mountains | Level 6 (Child) |
|                  Huachuca Mountains | Level 6 (Child) |
|          Piñaleno Area | Level 5 (Sibling) |
|          Bisbee-Tombstone Area | Level 5 (Sibling) |
|          Dragoon-Mule Mountains | Level 5 (Sibling) |
|          Chiricahua Area | Level 5 (Sibling) |
|          Peloncillo Mountains | Level 5 (Sibling) |