Candelariella boleana Etayo, Palice & T. Sprib.

Lichenised.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with a granulose yellow thallus, lecanorine apothecia, and asci containing 16-32 spherical spores; on bark of various trees, widespread in Southern and Central Europe, but rare, with a single record from the Alps.
Switzerland: Unterwalden;