⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35128708, and has not been changed.

Hypnum serpens var. rigidum T. Jensen is a synonym of Amblystegium serpens var. rigidum (T. Jensen) Paris

The record derives from Tropicos which reports it as a synonym (record 35128708) with original publication details: Bryol. Danic. 192 192 1856.