Sagiolechia protuberans (Ach.) A. Massal.
Syn.: Bilimbia protuberans (Ach.) A. Massal., Gyalecta cimbrica (A. Massal.) Jatta, Gyalecta protuberans (Ach.) Anzi, Gyalecta protuberans (Ach.) Anzi var. mammillata (Hepp) Anzi, Lecidea protuberans (Ach.) Schaer., Sagedia protuberans Ach., Sagiolechia cimbrica A. Massal., Sagiolechia leioplacoides (Vain.) Vain., Verrucaria leioplacoides Vain.
Lichenised.
Substrate: calciferous 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: on dolomite and hard calciferous rocks in rather humid situations; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;