This name is a synonym of Diplopterys cristata (Griseb.) W.R.Anderson & C.Davis.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Linnaea 22: 16 1849.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:28987-2.
This name was in version 1 of The Plant List, record kew-2668569, and has not been changed.