This name is a synonym of Pyrorchis nigricans (R.Br.) D.L.Jones & M.A.Clem..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 28649) with original publication details: Beitr. Syst. Pflanzenk. 67 1871.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:620704-1.
This name was in version 1 of The Plant List, record kew-28649, and has not been changed.