Basionym Name:Chiodecton subdiscordans Nyl., Flora, Regensburg 62: 221 (1879)
Homotypic synonyms:Byssoloma subdiscordans (Nyl.) P. James, Lichenologist 5(1-2): 126 (1971)Byssoloma subdiscordans f. subdiscordans (Nyl.) P. James, Lichenologist 5(1-2): 126 (1971)Byssoloma subdiscordans var. subdiscordans (Nyl.) P. James, Lichenologist 5(1-2): 126 (1971)