Tall-herb rich, hygrophile or meso-hygrophile, Picea abies forests of high altitude stations subjected to prolonged snow cover and frequent fogs, with Adenostyles spp., Chaerophyllum hirsutum, Peucedanum ostruthium, Ranunculus aconitifolius, Aconitum vulparia, A. paniculatum, Stellaria nemorum, Geranium sylvaticum, Cicerbita alpina.