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 375835) with original publication details: Anales Jard. Bot. Madrid 6: 191 1948.
This name was in version 1 of The Plant List, record kew-375835.