This name is a synonym of Austromyrtus poimbailensis (Guillaumin) Burret.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 132722) with original publication details: Bull. Soc. Bot. France 85: 633 1938 publ. 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:600116-1.
This name was in version 1 of The Plant List, record kew-132722, and has not been changed.