⚠ Version 1 of The Plant List has been superseded.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 Fissidens weirii in version 1.1 of The Plant List.
This name is a synonym of Fissidens townsendianus .
The record derives from Tropicos which reports it as a synonym (record 35159702
) with original publication details: N. Amer. Fl. 15: 179 179 1943.