| B - Central Dry Lowlands |
| E - Central Dry Foothills |
| F - Central Hill Country and Volcanic Plateau |
| I - Central Poorly - drained Recent Soils |
| J - Central Well - drained Recent Soils |
| K - Central Upland Recent Soils |
| L - Southern Lowlands |
| M - Western South Island Recent Soils |
| N - Eastern South Island Plains |
| O - Western South Island Foothills and Stewart Island |
| P - Central Mountains |
| Q - Southeastern Hill Country and Mountains |
| R - Southern Alps |
| T - Permanent Snow and Ice |
| Unclassified |