Lecidea promiscens Nyl.

Syn.: Lecidea promiscua Nyl. var. promiscens (Nyl.) Clauzade & Cl. Roux, Lecidea strepsodea Nyl.
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a circum- and bipolar, arctic-alpine to boreal-montane lichen found on boulders close to the ground and on siliceous pebbles in alpine heaths; widespread in the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: ?Oberbayern; Switzerland: Bern; Graubünden; Ticino; Uri; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Friuli; Trentino Alto Adige; Piemonte; Valle d'Aosta;