This name is a synonym of Gymnosphaera papuana (Ridl.) Copel..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50181060) with original publication details: Malayan Fern Fern Allies 487 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17316560-1.
This name was in version 1 of The Plant List, record tro-50181060, and has not been changed.