This name is a synonym of Gymnadenia odoratissima (L.) Rich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 93678) with original publication details: Monogr. Orchid. 336 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:636537-1.
This name was in version 1 of The Plant List, record kew-93678.