Acarospora sulphurata (Arnold) Arnold var. rubescens Buschardt
Lichenised.
Substrate: siliceous rocks
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: perhaps just a chemical strain; hitherto known only from the Alps, where it is restricted to inner-Alpine valleys.
Italy: Trentino Alto Adige;
