Psora globifera (Ach.) A. Massal.

Syn.: Lecidea globifera Ach.
Lichenised.
Substrate: calciferous rocks, intermediate rocks (such as calciferous schists), calciferous soil, acidic soil (mostly on siliceous substrata),
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 slightly calciferous or base-rich soil and weathered siliceous rocks in upland areas.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Switzerland: Bern; Graubünden; Schwyz; Ticino; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Italy: Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;