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 55315) with original publication details: Mitt. Arbeitskreis Heimische Orchid. Baden-Württemberg 15: 59 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:901860-1.
This name was in version 1 of The Plant List, record kew-55315, and has not been changed.