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 465481) with original publication details: Nom. Nov. Gen. Dactylorhiza 5 1962.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Dactylorhiza traunsteineri in version 1 of The Plant List.