This name is a synonym of Dactylorhiza maculata subsp. caramulensis Verm..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 55196) with original publication details: Orchidophile (Asnières) 88: 155 1989.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:947302-1.
This name was in version 1 of The Plant List, record kew-55196, and has not been changed.