| Boreal Cordillera, High Boreal |
| Boreal Cordillera, Mid-Boreal |
| Taiga Cordillera, High Subarctic |
| Taiga Cordillera, Low Subarctic |
| Tundra Cordillera, High Subarctic |
| Taiga Plains, High Boreal |
| Taiga Plains, High Subarctic |
| Taiga Plains, Low Subarctic |
| Taiga Plains, Mid-Boreal |
| Taiga Shield, High Boreal |
| Taiga Shield, High Subarctic |
| Taiga Shield, Low Subarctic |
| Taiga Shield, Mid-Boreal |
| Southern Arctic: Tundra Plains, Low Arctic south |
| Southern Arctic: Tundra Plains, Low Arctic north |
| Northern Arctic, Low Arctic north |
| Northern Arctic, Mid-Arctic |
| Northern Arctic, High Arctic |
| Northern Arctic, High Arctic oceanic |