LICHALP

Placidiopsis oreades Breuss

Lichenised.

Substrate: calciferous soil

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: a species resembling P. cinerascens in habitus and in the presence of hyaline rhizohyphae, but lacking a distinct epinecral layer, with a paraplectenchymatic lower cortex becoming brownish with age; on marly soil and in crevices, with scattered records from the mountains of Central Europe and Inner Asia, apparently rare in the Alps.