Basionym Name:Graphis sophistica var. diffusa Leight., Lich.-Fl. Great Brit.: 434 (1871)
Homotypic synonyms:Graphina anguina f. diffusa (Leight.) Erichsen, Annls mycol. 41(1/3): 203 (1943)Graphina anguina var. diffusa (Leight.) Zahlbr., Cat. Lich. Univers. 2: 396 (1923)Graphis anguina f. diffusa (Leight.) H. Olivier, Fl. Lich. Orne 2: 241 (1884)Graphis anguina var. diffusa (Leight.) H. Olivier, Expos. Lich. Ouest France, Suppl. 2: 185 (1902)