Relevant authentic specimens of Lecidea hercynica M. Hauck et Schmull, and L. dalecarlica Hedl. were found to be conspecific with Lecanora filamentosa (Stirt.) Elix et Palice (syn.
Lecanora ramulicola (H. Magn.) Printzen et P.F.
May). Besides nomenclature, notes on chemistry, morphology and distribution of this species are provided.
The taxon is reported here for the first time from Finland and Norway.