LICHALP

Thelocarpon olivaceum B. de Lesd.

Syn.: Thelocarpon intermixtulum Nyl. var. olivaceum (B. de Lesd.) H. Magn.

Lichenised. Poorly known taxon.

Substrate: siliceous rocks

Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a species with hemispherical, variably pruinose ascomata, externally with a thalline sheath, poorly developed to lacking paraphyses, and finally subglobose ascospores; rare throughout Europe, with a single record from the Eastern Alps (Austria).