This name is a synonym of Dactylorhiza × kelleriana P.F.Hunt.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55278) with original publication details: Fragm. Florist. Geobot. 34: 328 1989.
This name was in version 1 of The Plant List, record kew-55278, and has not been changed.