Xylographa trunciseda (Th. Fr.) Minks ex Redinger
Syn.: Lecidea trunciseda Th. Fr.
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 rotting wood, mostly of conifers, certainly more widespread in the Alps.
Austria: Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Switzerland: Schwyz; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Vaucluse; Italy: Trentino Alto Adige;