Lepraria crassissima (Hue) Lettau

Syn.: Crocynia crassissima Hue
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: an often misunderstood species occurring on vertical to underhanging surfaces of siliceous, more rarely calciferous rocks and on epilithic mosses in mountain areas.
Austria: Steiermark; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Schwyz; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Drôme; Vaucluse; Italy: Friuli;