This name is a synonym of Adiantum chilense var. hirsutum Hook. & Grev..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606809) with original publication details: Revista Mus. La Plata 15: 261 1906.
This name was in version 1 of The Plant List, record tro-26606809.