This name is a synonym of Stachystemon brachyphyllus Müll.Arg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 166110) with original publication details: Trans. Roy. Soc. New South Wales 11 1881.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:355060-1.
This name was in version 1 of The Plant List, record kew-166110, and has not been changed.