Rhizocarpon subgeminatum Eitner

Syn.: Rhizocarpon phaeolepis Vain.
Lichenised.
Substrate: siliceous 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: a species with 2-spored asci and large eumuriform ascospores (mostly longer than 50 µm), with more than 25 cells visible in optical view (with at least 3 longitudinal septa); on siliceous rocks, often near brooks and lakes; for the Alps most records are from the Eastern Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; France: Alpes-Maritimes; Slovenia: Alpine and Pre-Alpine Slovenia;