This name is a synonym of Dactylorhiza sudetica (Poech ex Rchb.f.) Aver..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55406) with original publication details: Folia Geobot. Phytotax. 18: 205 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:922025-1.
This name was in version 1 of The Plant List, record kew-55406.