This name is a synonym of Ponerorchis graminifolia Rchb.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 163265) with original publication details: Acta Bot. Acad. Sci. Hung. 20: 352 1974 publ. 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:887858-1.
This name was in version 1 of The Plant List, record kew-163265, and has not been changed.