Cantabrian thrift swards

Chionophilous grasslands of deep soils, somewhat decalcified at the surface, of the subalpine, and locally of the alpine or upper montane, levels of the calcareous Cantabrian Mountains, dominated by [Armeria cantabrica], [Carex sempervirens], [Festuca glacialis] or [Festuca gautieri], associated with [Sesleria albicans], [Poa alpina], [Poa minor], [Festuca burnatii], [Bellardiochloa violacea], [Agrostis schleicheri], and with [Anemone baldensis ssp. pavoniana], [Aquilegia pyrenaica ssp. discolor], [Jasione cavanillesii], [Pedicularis pyrenaica ssp. fallax], [Draba aizoides ssp. cantabriae], [Pimpinella siifolia], [Oxytropis pyrenaica], [Oxytropis halleri].