This name is a synonym of Caladenia longicauda subsp. eminens (Domin) Hopper & A.P.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 28551) with original publication details: Austral. Orchid Res. 1: 24 1989.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:947556-1.
This name was in version 1 of The Plant List, record kew-28551, and has not been changed.