⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Isothecium pentastichum in version 1.1 of The Plant List.

Isothecium pentastichum Müll. Hal. is a synonym of Orthostichopsis tetragona (Sw. ex Hedw.) Broth.

This name is a synonym of Orthostichopsis tetragona (Sw. ex Hedw.) Broth..

The record derives from Tropicos which reports it as a synonym (record 35162770) with original publication details: Linnaea 21: 196 196 1848.