LICHALP

Placynthium asperellum (Ach.) Trevis.

Syn.: Catillaria subalpina Th. Fr., Collema asperellum Ach., Placynthium aspratile (Ach.) Henssen, Placynthium vrangianum Gyeln., Pterygium asperellum (Ach.) Nyl., Toninia asperella (Ach.) A. Massal.

Lichenised.

Substrate: siliceous rocks, 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 alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: on moist calciferous and base-rich siliceous rocks in upland areas.