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 28619) with original publication details: J. Linn. Soc., Bot. 41: 253 1912.
This name was in version 1 of The Plant List, record kew-28619, and has not been changed.