Basionym Name:Endococcus triphractus Nyl., Flora, Regensburg 55: 364 (1872)
Homotypic synonyms:Arthopyrenia advenula var. triphractus (Nyl.) H. Olivier, Bull. Acad. Intern. Géogr. Bot. 16: 261 (1906)Phaeospora triphracta (Nyl.) Arnold, Flora, Regensburg 57(10): 151 (1874)Pyrenula triphracta (Nyl.) Willey, Introd. Stud. Lich.: 58 (1887)