Continental thermophilous Quercus petraea or Quercus robur woods of Lorraine, the Ardenne periphery, southern Germany, Poland, the Czech Republic outside of the area of dominance of pure Quercus pubescens but accompanied by the thermophile, calcicolous, sub-Mediterranean cortège of the Quercion pubescenti-petraeae, and sometimes including Quercus pubescens or hybrids of Quercus pubescens with either Quercus petraea or Quercus robur.