⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-376884, with some changes.
This name is a synonym of Epipactis palustris .
The record derives from WCSP which reports it as a synonym (record
376884) with original publication details: Verh. Naturhist. Vereines Preuss. Rheinl. Westphalens 81: 260 1924 publ. 1925.