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 36687) with original publication details: Symb. Sin. 7: 1339 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:622414-1.
This name was in version 1 of The Plant List, record kew-36687.