This name is a synonym of Metrosideros albiflora Sol. ex Gaertn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 123477) with original publication details: Nomencl. Bot. ed. 3: 142 1797.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:597831-1.
This name was in version 1 of The Plant List, record kew-123477, and has not been changed.