LICHALP

Polyblastia helvetica Th. Fr.

Syn.: Amphoroblastia helvetica (Th. Fr.) Servít

Lichenised.

Substrate: calciferous soil,

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) 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 more or less calciferous soil, often amongst bryophytes, with optimum near treeline.