⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35141897, with some changes.

Polytrichum subrotundum var. longisetum (Hampe ex B.S.G.) Lindb. is a synonym of Pogonatum polytrichoides var. longisetum (Hampe ex B.S.G.) H. Möller

This name is a synonym of Pogonatum polytrichoides var. longisetum (Hampe ex B.S.G.) H. Möller.

The record derives from Tropicos which reports it as a synonym (record 35141897) with original publication details: Not. Sällsk. Fauna Fl. Fenn. Förh. 9: 143 143 1867.