⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-376864, with some changes.
This name is a synonym of Epipactis palustris (L.) Crantz.
The record derives from WCSP which reports it as a synonym (record 376864) with original publication details: Repert. Spec. Nov. Regni Veg. 24: 34 1927.