Protoblastenia laeta (Poelt) Kainz & Rambold

Syn.: Protoblastenia calva (Dicks.) Zahlbr. var. laeta Poelt
Lichenised.
Substrate: calciferous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species resembling P. calva, but with an epilithic, whitish thallus, and yellow to yellow-orange apothecia; on shaded calcareous rocks, usually on steep, north-exposed rock faces; widespread in Europe but rare, with a few records from the Eastern Alps (Austria, Germany).
Austria: Salzburg; Germany: Schwaben;