This name is a synonym of Epipactis helleborine (L.) Crantz.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 190616) with original publication details: Sp. Pl. 949 1753.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:657627-1.
This name was in version 1 of The Plant List, record kew-190616.