This name is a synonym of Psidium guyanense Pers..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 454414) with original publication details: Syn. Pl. 2: 27 1806.
This name record (from WCSP) 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 guyanense in version 1 of The Plant List.