Lecanora hypopta (Ach.) Vain.

Syn.: Biatora hypopta (Ach.) Räsänen, Lecanora subintricata (Nyl.) Th. Fr. var. convexula Arnold, Lecidea hypopta Ach.
Lichenised.
Substrate: lignum
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: on hard lignum, especially on decorticated stumps, more rarely on the bark of conifers in upland areas; certainly more widespread in the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Italy: Trentino Alto Adige; Piemonte;