LICHALP

Caloplaca festivella (Nyl.) Kieff.

Syn.: Lecanora ferruginea (Huds.) Link var. festivella Nyl.

Lichenised.

Substrate: siliceous 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 rare, mainly oromediterranean species mainly found on schists, in underhangs, with a few records from the Western Alps (France, Italy).