Protoparmeliopsis muralis (Schreb.) M. Choisy var. dubyi (Müll. Arg.) Hafellner & Türk

Syn.: Lecanora dubyi Müll. Arg., Lecanora muralis (Schreb.) Rabenh. var. dubyi (Müll. Arg.) Poelt
Lichenised.
Substrate: siliceous rocks, intermediate rocks (such as calciferous schists)
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 weakly calciferous or basic siliceous rocks in upland areas, with optimum near and above treeline.
Austria: Vorarlberg; Tirol; Kärnten; Germany: Oberbayern; France: Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Italy: Friuli; Trentino Alto Adige; Piemonte; Valle d'Aosta;