Basionym Name:Leptogium diffractum Kremp. ex Körb., Parerga lichenol. (Breslau) 5: 424 (1865)
Homotypic synonyms:Pseudoleptogium diffractum (Kremp. ex Körb.) Müll. Arg., Flora, Regensburg 68(28): 516 (1885)Pterygium diffractum (Kremp. ex Körb.) Couderc, in Crozals, Bull. Acad. Intern. Géogr. Bot. 20: 232 (1910)