Buellia sanguinolenta T. Schauer

Syn.: Hafellia sanguinolenta (T. Schauer) Hafellner & Türk
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 of the B. disciformis-group with a whitish thallus reacting K+ yellow then red, and ascospores longer than 25 µm; on bark, mostly of Abies in old-growth forests; in the study area known from a few localities in the Eastern Alps.
Austria: Niederösterreich (incl. Wien); Germany: Oberbayern;