⚠ Version 1 of The Plant List has been superseded.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 Barbula rigidula in version 1.1 of The Plant List.

Barbula rigidula subsp. valida (Limpr.) J.J. Amann is a synonym of Didymodon rigidulus var. validus (Limpr.) Düll

This name is a synonym of Didymodon rigidulus var. validus (Limpr.) Düll.

The record derives from Tropicos which reports it as a synonym (record 35111198) with original publication details: Fl. Mouss. Suisse 2: 104 104 1918.