⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35110768, and has not been changed.

Barbula johansenii R.S. Williams is a synonym of Didymodon johansenii (R.S. Williams) H.A. Crum

This name is a synonym of Didymodon johansenii (R.S. Williams) H.A. Crum.

The record derives from Tropicos which reports it as a synonym (record 35110768) with original publication details: Rep. Canad. Arctic Exped. 4(E): 4. f. 1--12 4 1921.