This name is a synonym of Psidium salutare var. decussatum (DC.) Landrum.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 166702) with original publication details: Prodr. 3: 235 1828.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:211720-2.
This name was in version 1 of The Plant List, record kew-166702, and has not been changed.