LICHALP

Chaenotheca servitii Nádv.

Lichenised.

Substrate: lignum

Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a very rare species with a poorly developed endosubstratic or thin, smooth greenish thallus with Stichococcus, apothecia with long, slender stalks, in the upper part with a reddish to yellow pruina which covers also the outside of the capitulum, which is broadly obovoid to lenticular with a well developed exciple, asci cylindrical with rather small, spherical, mostly smooth, uniseriate ascospores (c. 4 µm in diam.); on lignum of deciduous trees, for the study area only recorded from the Eastern Alps (Austria).