This name is a synonym of Dactylorhiza euxina (Nevski) Czerep..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55203) with original publication details: Nom. Nov. Gen. Dactylorhiza 5 1962.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:626585-1.
This name was in version 1 of The Plant List, record kew-55203.