Icmadophila ericetorum (L.) Zahlbr.

Syn.: Baeomyces aeruginosus (Scop.) DC., Baeomyces icmadophilus (L. f.) Bory, Biatora icmadophila (L. f.) Fr., Icmadophila aeruginosa (Scop.) Trevis., Icmadophila elveloides (Weber) Hedl., Lecidea icmadophila (L. f.) Ach., Lichen ericetorum L., Patellaria aeruginosa (Scop.) Spreng.
Lichenised.
Substrate: lignum, living mosses, acidic soil (mostly on siliceous substrata)
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 cool-temperate to boreal-montane, circumpolar species found on decaying wood and moribund bryophytes, usually in upland areas; common throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Schwyz; Ticino; Uri; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;