⚠ Version 1 of The Plant List has been superseded.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 costale in version 1.1 of The Plant List.
This name is a synonym of Campyloneurum costatum .
The record derives from Tropicos which reports it as a synonym (record 26617485
) with original publication details: Bull. Bot. Dept. 4: 140 140 1897.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17186060-1
.