Bacidia friesiana (Hepp) Körb.

Syn.: Biatora friesiana Hepp
Lichenised.
Substrate: bark, lignum
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a mild-temperate lichen, most frequent on Sambucus, or near the base of trees with nutrient-rich bark, with optimum in the submediterranean belt.
Austria: Vorarlberg; Tirol; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); France: Alpes-Maritimes; Vaucluse; Var; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;