| Boreal | Central Eastern | Atlantic | Mediterranean |
| Picea spp. | Fagus spp. | Picea sitchensis | Pinus spp. |
| Pinus sylvestris | Picea spp. | Pinus pinaster | Eucalyptus spp. |
| Betula spp. | Pinus sylvestris | Eucalyptus spp. | |
| Quercus spp. | |||
| Västerbotten (Sweden) |
Baden-Würtenberg (Germany) Alpine region (Austria) Lorraine (France) Silesia (Poland) |
Aquitaine (France) Scotland (UK) |
Catalonia (Spain) Portugal |