Basionym Name:Graphis bylii Vain., Ann. Univ., fenn. Aboënsis, Ser. A 2(no. 3): 27 (1926)
Homotypic synonyms:Graphina bylii (Vain.) Zahlbr., [as 'bijlii'] Cat. Lich. Univers. 8: 604 (1932)Graphina bylii var. bylii (Vain.) Zahlbr., Cat. Lich. Univers. 8: 604 (1932)Mangoldia bylii (Vain.) I. Medeiros, in Medeiros & Lutzoni, Lichenologist 54(5): 266 (2022)