This name is a synonym of Gymnosphaera mollis (Copel.) Copel..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50169008) with original publication details: Philipp. J. Sci. 12: 52 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17316350-1.
This name was in version 1 of The Plant List, record tro-50169008, and has not been changed.