This name is a synonym of Adiantum rufopunctatum Mett. ex Kuhn.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606801) with original publication details: Repert. Spec. Nov. Regni Veg. 5: 230 1908.
This name was in version 1 of The Plant List, record tro-26606801.