Calicium adaequatum Nyl.
Syn.: Calicium marianum (Nádv.) Nádv.
Lichenised.
Substrate: bark
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: a species peculiar in having apothecia with pale (olivaceous) stalks with an amyloid reaction (as the exciple) in squash preparations; on bark (mostly on twigs) of deciduous trees (Alnus, Acer) under oceanic conditions; rare, or only seldom collected, as it can be easily overlooked.
Austria: Tirol; Steiermark; Switzerland: Bern; Graubünden; Schwyz;