Low, open forests and woods characteristic of steeep, sunny slopes on slightly calcareous schists in the Ardenne-Eifel periphery, with Quercus petraea (dominant), Carpinus betulus, Quercus robur, Sorbus torminalis, Sorbus aria, Pyrus pyraster, Malus sylvestris, Prunus avium, Amelanchier ovalis, Stellaria holostea, Anemone sylvestris, Silene nutans, Silene inflata, Campanula persicifolia, Anthericum liliago, Melica nutans, Carex montana.