LICHALP

Lecidea umbonata (Hepp) Mudd

Syn.: Biatora umbonata Hepp, Lecidea acosmeta Lettau, Lecidea exornans (Arnold) Nyl., Lecidea omphaliza Lettau, Lecidea subumbonata Nyl. non sensu Arnold, Lecidea umboniza Nádv., Lecidella exornans (Arnold) Arnold, Lecidella umbonata (Hepp) Körb.

Lichenised.

Substrate: intermediate rocks (such as calciferous schists)

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: a circumpolar, mainly arctic-alpine, variable species found on calciferous siliceous rocks, especially schist, in cool and humid situations; widespread throughout the Alps.