This name is a synonym of Polysphaeria maxima (Baill.) Cavaco.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 48762) with original publication details: Adansonia 12: 236 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:747833-1.
This name was in version 1 of The Plant List, record kew-48762, and has not been changed.