This name is a synonym of Caladenia nana subsp. unita (Fitzg.) Hopper & A.P.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 28734) with original publication details: Gard. Chron. n.s., 1882: 461 1882.
This name was in version 1 of The Plant List, record kew-28734, and has not been changed.