a) Dendrogram of relevés resulting from Ward’s minimum variance clustering, with Bray-Curtis distance and b) NMDS ordination diagram. Cluster A Picea abies community. Cluster B1 Fagus sylvatica with Abies alba community. Cluster B2 Fagus sylvatica community. Overlaid vectors represent the following variables: EIVs L light, T temperature, M moisture, R soil reaction, FAG Carpino-Fagetea sylvaticae, PIC Vaccinio-Piceetea, MOL Molinio-Arrhenatheretea, ROB Robinietea, C.Euro Central European, Euro.As Euro-Asian, Circumboreal, CS.Euro Central-South European, N.Medit North-Mediterranean, Cosmopol Cosmopolite, Hemi Hemicriptophyte, Tree tree layer cover, Herb herb layer cover, Rock rockiness, Alt altitude.