This name is a synonym of Adiantum ruizianum Klotzsch.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606814) with original publication details: Index Filic. 30 1905.
This name was in version 1 of The Plant List, record tro-26606814, and has not been changed.