Syn.: Biatorina atropurpurea (Schaer.) A. Massal., Catillaria atropurpurea (Schaer.) Th. Fr.

Corticolous, on Acer platanoides, Fagus, Populus, Pyrus and Quercus, mostly in well-preserved forests, rarely along roads.

Belgium: Ard.: RR, Lorr.: RR.

Luxembourg: Ard.: RR.

France: - .

The related, undescribed species with 3-septate ascospores, mentioned in Purvis et al. (1992: 170), occurs in the study area (Belgium: Mosan: RRR, Ard.: RRR).

Lit.: Di: 83, L3: 28.