Placynthiella uliginosa (Schrad.) Coppins & P. James

Syn.: Biatora humosa (Hoffm.) Arnold, Biatora uliginosa (Schrad.) Fr., Biatora uliginosa (Schrad.) Fr. var. humosa (Hoffm.) Fr., Lecidea humosa (Hoffm.) Leight., Lecidea uliginosa (Schrad.) Ach., Lecidea uliginosa (Schrad.) Ach. var. humosa (Hoffm.) Ach., Lichen uliginosus Schrad., Saccomorpha arenicola Elenkin, Saccomorpha uliginosa (Schrad.) Hafellner
Lichenised.
Substrate: living mosses, plant debris, 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, probably circumpolar lichen, mostly found on acid soil, more rarely on strongly decomposed lignum; 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; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;