Fuscidea austera (Nyl.) P. James

Syn.: Fuscidea aggregata (Flot.) V. Wirth & Vězda, Fuscidea aggregatilis (Grummann) V. Wirth & Vězda, Fuscidea taeniarum (Malme) V. Wirth & Vězda, Lecanora austera Nyl., Lecidea aggregata (Flot.) H. Magn., Lecidea aggregatilis Grummann
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: on steeply inclined to underhanging surfaces of hard siliceous rocks in upland areas.
Austria: Tirol; Salzburg; Kärnten; Steiermark; Switzerland: Glarus; France: Alpes-Maritimes; Italy: Trentino Alto Adige;