⚠ Version 1 of The Plant List has been superseded.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 Polypodium tetragonum in version 1.1 of The Plant List.

Polypodium tetragonum var. megalodus (Schkuhr) H. Christ is a synonym of Thelypteris pennata (Poir.) C.V. Morton

This name is a synonym of Thelypteris pennata (Poir.) C.V. Morton.

The record derives from Tropicos which reports it as a synonym (record 50040504) with original publication details: Bull. Soc. Roy. Bot. Belgique 35(1): 218 218 1896.