LICHALP

Pertusaria oculata (Dicks.) Th. Fr.

Syn.: Lecanidium oculatum (Dicks.) A. Massal., Lecanora oculata (Dicks.) Ach., Lichen oculatus Dicks.

Lichenised.

Substrate: plant debris, living mosses, calciferous soil, acidic soil (mostly on siliceous substrata)

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: a circumpolar, arctic-alpine lichen found on soil and plant remains on siliceous substrata, mostly above treeline.