Lecidea fuscoatra (L.) Ach.

Syn.: Lecidea algeriensis Zahlbr., Lecidea fumosa (Hoffm.) Ach., Lecidea prostratula Stirt., Lecidea psoroides Bagl. & Carestia, Lecidea sardoa Bagl., Lecidea trabicola Erichsen, Lichen fuscoater L., Patellaria fumosa (Hoffm.) Hoffm., Psora fumosa (Hoffm.) A. Massal., Psora prostratula (Stirt.) Walt. Watson
Lichenised.
Substrate: siliceous 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: a mainly temperate, widespread, extremely variable lichen found on rock faces wetted by rain on a wide variety of substrata, from base-rich siliceous rocks to brick and roofing tiles. L. grisella was not always distinguished from this species in the past; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Burgenland; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Schwyz; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;