Bryologist 25: 80 (1922). Basionym: Pterygium petersii Nyl., Syn. Meth. Lich. (Parisiis) 1, 1: 83 (1858).
Basionym: Pterygium petersii Nyl., Syn. Meth. Lich. (Parisiis) 1, 1: 83 (1858).