Meso-hygrophile grasslands of the Pyrenees, occupying gentle north facing slopes (ubac) and humid flats on deep, often slightly acid, soils over calcareous substrates, with Sesleria albicans, Carex sempervirens, Helictotrichon montanum, Geranium cinereum, Globularia repens, Ranunculus gouanii, Ranunculus thora, Primula elatior ssp. intricata, Oxytropis campestris, Oxytropis pyrenaica, 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), Salix pyrenaica.