| Country of the unit : | Luxembourg |
| Unit number: | LUX00025 |
| National gene conservation unit number: | 1006 |
| Province or state: | Bon-Pays |
| Department or county: | |
| Municipality: | Schengen |
| Local name : | Grouf (RFI) |
| Latitude : | 49°28'22.079999999998"N |
| Longitude : | 6°20'36.816"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 180 |
| Maximum elevation (m): | 290 |
| Surface area of the unit (ha): | 153 |
| Ownership of the unit : | Public |
| Type and function of the unit : | Gene reserve forest; Biodiversity conservation (habitats AND/or species) |
| Monthly temperature (°C): | |
| Total annual mean precipitation (mm): | |
| Heat sum and/or length of the growing season (in days): | |
| Accumulated moisture deficit: | |
| Year of collection of the field data entered: | 2007 |
| Year of the most recent visit: | 2017 |
| Remarks on specific soil characteristics: | Lias inférieur (Hettangien), Keuper supérieur (Rhétien), Keuper moyen |
| Remarks on other specific characteristics of the unit: | |
| All tree species growing in the unit: | Acer pseudoplatanus; Alnus incana; Quercus robur; Carpinus betulus; Fraxinus excelsior; Fagus sylvatica |
| Target species: | Acer pseudoplatanus; Alnus incana; Carpinus betulus; Fagus sylvatica; Fraxinus excelsior; Quercus robur |