Thelenella pertusariella (Nyl.) Vain.

Syn.: Microglaena pertusariella (Nyl.) Norman, Phlyctis submuriformis H. Magn., Verrucaria pertusariella Nyl.
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: on the smooth bark of small shrubs in the mountains (Daphne, Rhododendron, Salix, Sorbus); from the Alps there are only a few scattered records.
Austria: Vorarlberg; Tirol; Switzerland: Bern; Valais;