From: Catalan ethnoflora: a meta-analytic approach to life forms and geographic territories
| Physiographic zones intersections | Number of taxa |
|---|---|
| 1∩2 | 4 |
| 1∩3 | 8 |
| 1∩4 | 39 |
| 1∩5 | 4 |
| 2∩4 | 32 |
| 4∩5 | 4 |
| 4∩6 | 4 |
| 1∩2∩4 | 31 |
| 1∩2∩5 | 2 |
| 1∩2∩6 | 1 |
| 1∩3∩4 | 48 |
| 1∩3∩5 | 1 |
| 1∩4∩5 | 15 |
| 1∩4∩6 | 2 |
| 2∩3∩4 | 4 |
| 2∩4∩5 | 6 |
| 2∩4∩6 | 18 |
| 1∩2∩3∩4 | 13 |
| 1∩2∩3∩5 | 2 |
| 1∩2∩4∩5 | 15 |
| 1∩2∩4∩6 | 5 |
| 1∩3∩4∩5 | 52 |
| 1∩3∩4∩6 | 3 |
| 1∩4∩5∩6 | 7 |
| 2∩3∩4∩5 | 4 |
| 2∩4∩5∩6 | 11 |
| 1∩2∩3∩4∩5 | 54 |
| 1∩2∩3∩4∩6 | 2 |
| 1∩2∩4∩5∩6 | 20 |
| 1∩3∩4∩5∩6 | 5 |
| 2∩3∩4∩5∩6 | 9 |
| 1∩2∩3∩4∩5∩6 | 316 |