⚠ Version 1 of The Plant List has been superseded.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 Didymodon tophaceus in version 1.1 of The Plant List.

Didymodon tophaceus var. riparius J.J. Amann is a synonym of Barbula tophacea var. riparia (J.J. Amann) Podp.

This name is a synonym of Barbula tophacea var. riparia (J.J. Amann) Podp..

The record derives from Tropicos which reports it as a synonym (record 35132219) with original publication details: Fl. Mouss. Suisse 3: 26 26 1933.