⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35170498, with some changes.

Mnium heterophyllum var. sapporense (Besch.) Kabiersch is a synonym of Mnium heterophyllum (Hook.) Schwägr.

This name is a synonym of Mnium heterophyllum (Hook.) Schwägr..

The record derives from Tropicos which reports it as a synonym (record 35170498) with original publication details: Hedwigia 76: 22 22 1936.