This name is a synonym of Adiantum edgeworthii Hook..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26612576) with original publication details: Philipp. J. Sci. 1: (Suppl. 2): 154, t. 11 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17237630-1.
This name was in version 1 of The Plant List, record tro-26612576, and has not been changed.