| Teton Range-Yellowstone Area | Level 4 (Parent) |
|          Madison Range | Level 5 (Sibling) |
|          Gallatin Range | Level 5 (Sibling) |
|          Lionshead-Henrys Lake Ranges | Level 5 (Sibling) |
|          Yellowstone Plateau | Level 5 |
|                  Madison Plateau | Level 6 (Child) |
|                  Central Plateau | Level 6 (Child) |
|                  Pitchstone Plateau | Level 6 (Child) |
|                  Red Mountains | Level 6 (Child) |
|                  Two Ocean Plateau | Level 6 (Child) |
|                  Southern Yellowstone Plateau | Level 6 (Child) |
|          Big Hole Mountains | Level 5 (Sibling) |
|          Teton Range | Level 5 (Sibling) |
|          Snake River Range | Level 5 (Sibling) |
|          Gros Ventre Range | Level 5 (Sibling) |