⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-345329, 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 345329) with original publication details: Syn. Mitteleur. Fl. 3: 871 1907.