Biatora hemipolia (Nyl.) S. Ekman & Printzen

Syn.: Bacidia hemipolia (Nyl.) Malme, Lecidea arceutina (Ach.) Gray f. hemipolia Nyl., Lecidea hemipolia (Nyl.) Nyl.
Lichenised.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species of the B. beckhausii-B. globulosa-group with acicular ascospores; on bark of deciduous trees, with a few scattered records from the Alps.
France: Vaucluse;