LICHALP

Placidium squamulosum (Ach.) Breuss

Syn.: Catapyrenium squamulosum (Ach.) Breuss, Dermatocarpon trapeziforme auct. p.p. non Lichen trapeziformis J. König, Endocarpon squamulosum Ach., Endocarpon exiguum Nyl.

Lichenised.

Substrate: calciferous soil, living mosses

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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 widespread holarctic lichen found on calciferous soil, often amongst bryophytes in open dry grasslands, with a rather wide altitudinal range; widespread throughout the Alps.