Syn.: Leptorhaphis quercus (Beltr.) Körb. f. macrospora Eitner
Non- or doubtfully lichenised.
Substrate: bark, living mosses
Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: doubtfully lichenised with coccaceous green algae, thalline patches whitish, shiny to pulverulent, ascomata perithecioid, black, smooth, semi-immersed (to 0.3 mm in diam.) with a beaked central ostiolum, ascomatal wall of thin-walled, mostly elongated cells with brown walls, in section forming a textura angularis, hamathecium of interascal thin-walled filaments with some septations and branchings, embedded in a gelatinous matrix, and short periphyses lining the ostiolar region, with virtually unitunicate, 8-spored, clavate to subcylindrical asci (to 155 µm long), ascospores 1- to 3-septate and somewhat falcate with attenuated ends, large (50-85 × 3-4.5 µm); on bark of deciduous trees (e.g. Quercus); widespread in Europe, including the Eastern Alps (Austria), but most records are historical,.
