⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26613391, with some changes.

Polypodium firmulum Baker is a synonym of Polypodium subpetiolatum Hook.

This name is a synonym of Polypodium subpetiolatum Hook..

The record derives from Tropicos which reports it as a synonym (record 26613391) with original publication details: Kew Bull. 211 211 1893.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17188870-1.