This name is a synonym of Dactylorhiza umbrosa (Kar. & Kir.) Nevski.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 372657) with original publication details: Ber. Arbeitskreis. Heimische Orchid. 24(1): 156 2007.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77087555-1.
This name was in version 1 of The Plant List, record kew-372657.