Thelypteris penangiana (Hook.) C.F. Reed is a synonym of Polypodium penangianum Hook.

This name is a synonym of Polypodium penangianum Hook..

The record derives from Tropicos which reports it as a synonym (record 26621968) with original publication details: Phytologia 17(4): 303 303 1968.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1212067-2.