⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-26002531, and has not been changed.
This name is a synonym of Rumex aquaticus subsp. arcticus (Trautv.) Hiitonen.
The record derives from Tropicos which reports it as a synonym (record 26002531) with original publication details: Repert. Spec. Nov. Regni Veg. 13(355/358): 166-167 166 1914.