Basionym Name:Calicium claviculare Ach., Methodus, Sectio prior (Stockholmiæ): 90 (1803)
Homotypic synonyms:Cyphelium claviculare (Ach.) Chevall., Fl. gén. env. Paris (Paris) 1: 319 (1826)Cyphelium claviculare var. claviculare (Ach.) Chevall., Fl. gén. env. Paris (Paris) 1: 319 (1826)