⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Hypnum populeum in version 1.1 of The Plant List.
This name is a synonym of Brachythecium populeum var. majus .
The record derives from Tropicos which reports it as a synonym (record 35118973
) with original publication details: Handb. Skand. Fl. (ed. 7) 324 324 1858.