⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35141462, with some changes.

Polytrichum flexuosum Müll. Hal. is a synonym of Pogonatum procerum (Lindb.) Schimp.

The record derives from Tropicos which reports it as a synonym (record 35141462) with original publication details: Linnaea 19: 208 208 1846.