Often low, open, xerophile forests dominated by Quercus robur or Quercus petraea, developed on superficial to deep soils associated with calcareous substrates in Hercynian southern central Germany, eastern and southern Belgium, eastern and central France; located within the range of the Pulmonario-Carpinenion, they offer similarities to the Galio-Carpinenion and generally constitute substitution forests of the Cephalanthero-Fagion, either regressive phases brought about by coppicing or recolonisation phases permitted by abandonment of Bromion grasslands.
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.