Basionym Name:Pterygium conferciens Nyl., Flora, Regensburg 58: 358 (1875)
Homotypic synonyms:Lecothecium conferciens (Nyl.) Blomb. & Forssell, Enum. Pl. Scand.: 108 (1880)Placynthium pannariellum var. conferciens (Nyl.) Räsänen, Lich. Fenn. Exs.: no. 265 (1936)