This name is a synonym of Campomanesia racemosa (Vell.) O.Berg.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50192941) with original publication details: Fl. Flumin. Icon. 5: , t. 55 .
This name record (from Tropicos) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Psidium racemosa in version 1 of The Plant List.