⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26616340, with some changes.

Urostachys tetragonus (Hook. & Grev.) Nessel is a synonym of Huperzia tetragona (Hook. & Grev.) Trevis.

This name is a synonym of Huperzia tetragona (Hook. & Grev.) Trevis..

The record derives from Tropicos which reports it as a synonym (record 26616340) with original publication details: Bärlappgewächse 135 135 1939.