This name is a synonym of Archirhodomyrtus beckleri (F.Muell.) A.J.Scott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 132446) with original publication details: Fragm. 5: 12 1865.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:599752-1.
This name was in version 1 of The Plant List, record kew-132446, and has not been changed.