This name is a synonym of Adiantum petiolatum Desv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606739) with original publication details: Linnaea 21: 221 1848.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17010930-1.
This name was in version 1 of The Plant List, record tro-26606739.