This name is a synonym of Cephalanthera longifolia (L.) Fritsch.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 343817) with original publication details: Eurorchis 17: 104 2005.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77071189-1.
This name was in version 1 of The Plant List, record kew-343817.