Caloplaca livida (Hepp) Jatta

Syn.: Blastenia livida (Hepp) Lettau, Callopisma lividum (Hepp) Körb., Caloplaca convexa (Schaer.) Zahlbr., Placodium lividum Hepp
Lichenised.
Substrate: living mosses, plant debris
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) 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: an arctic-alpine species found on plant debris and bryophytes overgrowing acid siliceous rocks, with optimum near and above treeline.
Austria: Tirol; Switzerland: Bern; Graubünden; Luzern; Unterwalden; France: Haute-Alpes; Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;