⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35144137, with some changes.

Ptychomitrium longisetum Reimers & Sakurai is a synonym of Ptychomitrium gardneri Lesq.

This name is a synonym of Ptychomitrium gardneri Lesq..

The record derives from Tropicos which reports it as a synonym (record 35144137) with original publication details: Bot. Jahrb. Syst. 64: 541 541 1931.