This name is a synonym of Adiantum edentulum Christ.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26620065) with original publication details: Bull. Soc. Bot. France: Mem. 1: 62 1905.
This name was in version 1 of The Plant List, record tro-26620065.