Lepraria incana (L.) Ach.

Syn.: Byssus incana L., Crocynia maritima B. de Lesd., Lepra sulphurea (Schltdl.) Ehrh., Lepraria aeruginosa auct., Lepraria glaucella (Flörke) Ach., Lepraria sulphurea Schltdl., Patellaria incana (L.) Spreng.
Lichenised.
Substrate: bark, living mosses, plant debris, calciferous soil, acidic soil (mostly on siliceous substrata), lignum
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 acid bark of coniferous and deciduous trees in sites protected from rain, sometimes on siliceous rocks, soil and lignum; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Fribourg; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Ticino; Unterwalden; 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; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd; Liechtenstein