Myriolecis crenulata (Hook.) Śliwa, Zhao Xin & Lumbsch

Syn.: Lecanora caesioalba Körb., Lecanora crenulata Hook., Lecanora exomila Stirt., Lecanora hagenii (Ach.) Ach. var. crenulata (Hook.) Ach., Patellaria subfusca (L.) Wibel var. crenulata (Hook.) Trevis.
Lichenised.
Substrate: calciferous rocks, 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 holarctic lichen found on steeply inclined faces or in underhangs of hard calciferous rocks, most frequent in upland areas; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Schwyz; 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; Piemonte; Valle d'Aosta; Liguria; Liechtenstein