G3.31Niveau 4Pinèdes de Pinus uncinata à Rhododendron ferrugineum
↑ Niveau supérieur
Description
Pinus uncinata forests of the western outer Alps, the Jura and Pyrenean north facing slopes (ubacs), developed on siliceous or decalcified soils of the subalpine level with a predominately ericaceous undergrowh comprising Rhododendron ferrugineum (dominant), Vaccinium myrtillus, Vaccinium uliginosum, Calluna vulgaris, Homogyne alpina, Deschampsia flexuosa, Lycopodium annotinum.