LICHALP

Lecanora eurycarpa Poelt, Leuckert & Cl. Roux

Syn.: Myriolecis eurycarpa (Poelt, Leuckert & Cl. Roux) Hafellner & Türk

Lichenised.

Substrate: calciferous rocks

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 species with a poorly developed thallus and dispersed, large apothecia with whitish margins turning to bluish or blackish towards the edge of the hymenium, the discs brown, epruinose; usually on steep rock faces of various types of schist including those rich in iron, mostly at high elevations; widespread in the Alps but rare. The species, which contains usnic acid, does not belong into Myriolecis (see Roux et coll. 2017)