This name is a synonym of Polysphaeria arbuscula K.Schum..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 162623) with original publication details: Rev. Bot. Appl. Agric. Trop. 18: 418 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:760900-1.
This name was in version 1 of The Plant List, record kew-162623, and has not been changed.