Basionym Name:Cyphelium flexile Körb., Parerga lichenol. (Breslau) 4: 298 (1863)
Homotypic synonyms:Cyphelium trichiale var. flexile (Körb.) Stein, in Cohn, Krypt.-Fl. Schlesien (Breslau) 2(2): 305 (1879)