This name is a synonym of Dactylorhiza cordigera var. graeca (H.Baumann) Presser.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 332351) with original publication details: Kompend. Eur. Orchid. 34 2004.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77065112-1.
This name was in version 1 of The Plant List, record kew-332351, and has not been changed.