This name is a synonym of Adiantum davidii Franch..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26620047) with original publication details: Acta Horti Gothob. 1(2): 94 1924.
This name was in version 1 of The Plant List, record tro-26620047.