Placopyrenium tatrense (Vězda) Breuss
Syn.: Placidiopsis tatrensis Vězda
Lichenised.
Substrate: siliceous rocks, calciferous rocks
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: widespread but uncommon in the Pyrenees, the Alps, Carpathians and the Balkan Mountains and Crimea, mainly in the upper montane to the alpine belt.
Austria: Salzburg; Switzerland: Graubünden; Valais; France: Alpes-Maritimes;