⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26603968, with some changes.

Phegopteris tetragona (Sw.) Mett. is a synonym of Thelypteris tetragona (Sw.) Small

This name is a synonym of Thelypteris tetragona (Sw.) Small.

The record derives from Tropicos which reports it as a synonym (record 26603968) with original publication details: Fil. Hort. Bot. Lips. 84 84 1856.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17175090-1.