Bacidia subacerina Vain.
Syn.: Bacidia violacea (Arnold) Arnold
Lichenised.
Substrate: bark
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with brown to blackish apothecia and acicular ascospores; the purple-reddish epihymenium reacting K+ violet and the reddish exciple reacting K+ purple are diagnostic to separate it from B. laurocerasi; on acid bark in boreal to temperate-montane forests; in the study area there are only a few scattered records from the Eastern Alps (Austria, Slovenia).
Austria: Salzburg; Kärnten; Steiermark; Slovenia: Alpine and Pre-Alpine Slovenia;
