This name is a synonym of Melaleuca lanceolata subsp. planifolia Barlow.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 123814) with original publication details: Biblioth. Bot. 89: 1012 1928.
This name was in version 1 of The Plant List, record kew-123814, and has not been changed.