This name is a synonym of Cephalanthera damasonium (Mill.) Druce.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 190687) with original publication details: Nomencl. Bot. 766 1821.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:657674-1.
This name was in version 1 of The Plant List, record kew-190687.