This name is a synonym of Dactylorhiza majalis subsp. ebudensis (Wief. ex R.M.Bateman & Denholm) M.R.Lowe.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55249) with original publication details: Naturalistes Belges 81: 397 2000.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1018148-1.
This name was in version 1 of The Plant List, record kew-55249.