Opegrapha dolomitica (Arnold) Clauzade & Cl. Roux ex Torrente & Egea subsp. dolomitica

Syn.: Opegrapha rupestris Pers. var. dolomitica Arnold, Opegrapha saxicola auct. non Ach.
Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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 vertical or underhanging surfaces of dolomitic rocks and (more rarely) of more or less porous limestone, with a wide altitudinal range; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Graubünden; Luzern; Schwyz; Uri; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Drôme; Isère; Haute-Savoie; Vaucluse; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;