This name is a synonym of Mulguraea aspera var. longidentata (Moldenke) N.O'Leary & P.Peralta.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 212091) with original publication details: Darwiniana 25: 338 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:923970-1.
This name was in version 1 of The Plant List, record kew-212091.