Cyrtidula quercus (A. Massal.) Minks
Syn.: Arthopyrenia quercus A. Massal., Dermatina quercus (A. Massal.) Zahlbr., Mycoporum miserrimum Nyl., Mycoporum quercus (A. Massal.) Müll. Arg.
Non- or doubtfully 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: on young twigs mainly of oaks, but also of Alnus and other species, mostly in the submediterranean belt.
Austria: Kärnten; Steiermark; Italy: Veneto; Lombardia;