Fuscidea arboricola Coppins & Tønsberg
Lichenised.
Substrate: bark
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with a greenish to brownish, areolate thallus (similar to F. praeruptorum) being UV- and reacting Pd+ red, usually surrounded by a brownish prothallus, the more central areolae breaking up apically to form green soralia, mostly remaining sterile; on bark of broad-leaved trees in various forest types, from the lowlands to the montane belt; widespread in Europe and Eastern North America; there are several scattered records from the Alps, where the species was certainly undercollected.
Austria: Tirol; Kärnten; Switzerland: Luzern; Slovenia: Alpine and Pre-Alpine Slovenia;
