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 376849) with original publication details: Fl. Deutschl. ed. 5 4: 330 1896.
This name was in version 1 of The Plant List, record kew-376849.