| Forest type groups | Statistical descriptions | R2, % | |
| m | σ | ||
| Lichen | 11 | 2.9 | 74.5 |
| Cowberry | 16 | 5.2 | 94.5 |
| Oxalis | 33 | 8.2 | 90.8 |
| Motley grass | 37 | 11.1 | 58.2 |
| Bilberry | 23 | 6.0 | 93.0 |
| Polytrichosum | 21 | 6.0 | 80.5 |
| Sphagnum | 19 | 4.7 | 87.6 |