Polychidium muscicola (Sw.) Gray

Syn.: Collema muscicola (Sw.) Ach., Homodium muscicola (Sw.) Nyl., Leptogium muscicola (Sw.) Fr., Lichen muscicola Sw., Polychidium kalkuense Räsänen
Lichenised.
Substrate: living mosses, siliceous rocks,
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a widespread mild-temperate to southern boreal lichen found on soil and amongst bryophytes over siliceous substrata, more rarely on the basal parts of ancient trees, with a rather wide altitudinal range.
Austria: Vorarlberg; Tirol; Salzburg; Steiermark; Niederösterreich (incl. Wien); Switzerland: Graubünden; Schwyz; Ticino; Vaud; Valais; France: Alpes-Maritimes; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;