Farnoldia similigena (Nyl.) Hertel

Syn.: Lecidea similigena Nyl., Lecidea subrhaetica Arnold ex Lettau, Melanolecia similigena (Nyl.) Hertel, Tremolecia similigena (Nyl.) Hertel
Lichenised.
Substrate: intermediate rocks (such as calciferous schists)
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a rare arctic-alpine species found on inclined to vertical faces of calciferous siliceous rocks (e.g. calcareous sandstone and schist).
Austria: Vorarlberg; Tirol; Germany: Schwaben; Switzerland: Graubünden; France: Haute-Alpes; Savoie; Italy: Trentino Alto Adige;