This name is a synonym of Prostanthera tysoniana (Carrick) B.J.Conn.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 66286) with original publication details: J. Adelaide Bot. Gard. 1: 115 1977.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:446609-1.
This name was in version 1 of The Plant List, record kew-66286, and has not been changed.