Aspicilia laevata (Ach.) Arnold

Syn.: Aspicilia cinerea (L.) Körb. var. laevata (Ach.) Körb., Aspicilia gibbosa (Ach.) Körb. var. laevata (Ach.) Stein, Aspicilia lusca (Nyl.) B. de Lesd., Aspicilia sylvatica Arnold, Aspicilia vitrea Anzi, Lecanora distinguenda Zahlbr., Lecanora gibbosa var. laevata (Ach.) Th. Fr., Lecanora laevata (Ach.) Nyl., Lecanora lusca Nyl., Lecanora sylvatica (Arnold) Sandst., Sagedia laevata Ach.
Lichenised.
Substrate: siliceous rocks,
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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: a mainly boreal-montane, circumpolar species found on periodically submerged siliceous rocks, sometimes also in humid forests; widespread but not common throughout the siliceous Alps.
Austria: Vorarlberg; Tirol; Salzburg; Steiermark; Germany: Oberbayern; Switzerland: Bern; Graubünden; Valais; France: Haute-Alpes; Alpes-Maritimes; Isère; Haute-Savoie; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;