Psoroglaena dictyospora (Orange) H. Harada

Syn.: Leucocarpia dictyospora (Orange) R. Sant., Macentina dictyospora Orange
Lichenised.
Substrate: plant debris, lignum
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with a thin granular thallus consisting of goniocysts, partly immersed perithecioid ascomata, fissitunicate asci, and submuriform ascospores, usually with 5 transversal septa and an incomplete longitudinal septum; on soft wood in humid-shaded situations such as in riverine forests and in gorges; rare throughout temperate Europe and also known from North America, but perhaps with a broader distribution, being very easily overlooked; in the study area only recorded from the Western Alps (Switzerland).
Switzerland: Unterwalden;