Basionym Name:Trachylia tympanella var. saxicola Nyl., Bidr. Sydöst. Tavastl. fl. (Helsingfors): 174 (1870)
Homotypic synonyms:Cyphelium inquinans f. saxicola (Nyl.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 1): 25 (1926)