This name is a synonym of Neottia convallarioides (Sw.) Rich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 134207) with original publication details: Nomencl. Bot. ed. 2, 2: 189 1841.
This name was in version 1 of The Plant List, record kew-134207, and has not been changed.