This name is a synonym of Dactylorhiza traunsteineri (Saut. ex Rchb.) Soó.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 143402) with original publication details: Abh. Vereins Naturwiss. Erforsch. Niederrheins 2: 57 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:649267-1.
This name was in version 1 of The Plant List, record kew-143402.