⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35183188, with some changes.

Mnium arbuscula f. minutum Kabiersch is a synonym of Plagiomnium arbusculum (Müll. Hal.) T.J. Kop.

The record derives from Tropicos which reports it as a synonym (record 35183188) with original publication details: Hedwigia 76: 62 62 1936.