Mesophile grasslands of the northern, central and southwestern Alps and of the Pyrenees, occupying gentle shaded slopes (ubac) and humid flats on deep, often slightly acid, soils over calcareous substrates, with Sesleria albicans, Carex sempervirens, Helictotrichon montanum, Arenaria ciliata, Draba aizoides, Globularia nana, Geranium cinereum, Ranunculus gouanii, Ranunculus thora, Primula elatior ssp. intricata, Oxytropis triflora, Trifolium thalii, Anthyllis vulneraria ssp. pyrenaica, Alchemilla plicatula (Alchemilla asterophylla), Adonis pyrenaica, Horminum pyrenaicum, Geum pyrenaicum, Bartsia spicata, Bartsia alpina, Scabiosa cinerea, Leuzea centauroides (Rhaponticum cynaroides), Fritillaria delphinensis, Fritillaria burnatii, Crocus vernus, Bulbocodium vernum, Carex tendae, Salix pyrenaica.