This name is a synonym of Avicennia marina subsp. australasica (Walp.) J.Everett.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 451858) with original publication details: Phytologia 7: 231 1960.
This name was in version 1 of The Plant List, record kew-451858, and has not been changed.