This name is a synonym of Psidium firmum O.Berg.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 166810) with original publication details: Lilloa 33: 108 1971 publ. 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:211768-2.
This name was in version 1 of The Plant List, record kew-166810, and has not been changed.