Placynthium lismorense (Cromb.) Vain.

Syn.: Pterygium lismorense Cromb.
Lichenised.
Substrate:
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: on more or less calcareous rocks along seepage tracks at relatively low elevations.
Switzerland: Schwyz; France: Alpes-Maritimes; Var;