Closed non-Mediterranean dry acid and neutral grassland

Closed, dry or mesophile, perennial grasslands occupying acid soils in Atlantic or sub-Atlantic lowland to montane regions of northern Europe, middle Europe and western Iberia, with [Nardus stricta], [Festuca ovina], [Festuca rubra], [Agrostis capillaris], [Danthonia decumbens], [Anthoxanthum odoratum], [Deschampsia flexuosa], [Poa angustifolia], [Polygala vulgaris], [Viola canina], [Dianthus deltoides], [Chamaespartium sagittale], [Jasione laevis], [Potentilla erecta]. Any of the grasses listed can dominate or codominate distinctive facies; [Calamagrostis epigeios] also can invade and dominate some formations.