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 26612575) with original publication details: Trans. Linn. Soc. London, Bot. 1(7): 453 1880.
This name was in version 1 of The Plant List, record tro-26612575, and has not been changed.