⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35179244, with some changes.

Atrichum controversum P. Beauv. is a synonym of Atrichum undulatum var. minus (Hedw.) Paris

The record derives from Tropicos which reports it as a synonym (record 35179244) with original publication details: Prodr. Aethéogam. 42 42 1805.