⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35144222, with some changes.

Ptychostomum compactum Hornsch. is a synonym of Ptychostomum pendulum Hornsch.

The record derives from Tropicos which reports it as a synonym (record 35144222) with original publication details: Syll. Pl. Nov. 1: 62 62 1822.