This name is a synonym of Dactylorhiza × serbica (H.Fleischm.) Soó.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55509) with original publication details: Atti Soc. Tosc. Sci. Nat. Pisa, Mem. Ser. B, 89: 271 1982 publ. 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:901866-1.
This name was in version 1 of The Plant List, record kew-55509.