LICHALP

Umbilicaria crustulosa (Ach.) Lamy var. badiofusca Frey

Syn.: Gyrophora hirsuta (Sw. ex Westr.) Ach. var. meizospora (Harm.) H. Olivier, Gyrophoropsis meizospora (Harm.) M. Choisy, Umbilicaria hirsuta (Sw. ex Westr.) Hoffm. var. meizospora Harm.

Lichenised. Poorly known taxon.

Substrate: siliceous rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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 taxon of the mountains of Southern Europe, worthy of further study.