This name is a synonym of Adiantum paraense Hieron..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26607567) with original publication details: Ann. Missouri Bot. Gard. 77: 260, f. 6C–E 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:271630-2.
This name was in version 1 of The Plant List, record tro-26607567, and has not been changed.