Locations of the certified seed forests where seeds were collected and their climatic traits. The climate type (Koppen-Geiger classification), the average rainfall per year, and the average annual temperature data were collected from climate-data.org.
| Species | Location | Climate | Rainfall | Tmean |
|---|---|---|---|---|
| Amelanchier ovalis (AOV) | San Pellegrino Terme (BG) | Cfb | 1,420 mm | 10.1 °C |
| Carpinus betulus (CBE) | Villa d’Almè (BG) | Cfa | 1,360 mm | 11.9 °C |
| Crataegus monogyna (CMO) | Sorisole (BG) | Cfb | 1,420 mm | 11.5 °C |
| Fagus sylvatica (FSY) | Menconico (PV) | Cfb | 1,132 mm | 10.6 °C |
| Ligustrum vulgare (LVU) | Magenta (MI) | Cfa | 1,360 mm | 13.1 °C |