This name is a synonym of Orchis patens Desf..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 142707) with original publication details: Repert. Spec. Nov. Regni Veg. Sonderbeih. A 2: 166 1932.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:648767-1.
This name was in version 1 of The Plant List, record kew-142707.