⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-31574, with some changes.
This name is a synonym of Callitriche palustris subsp. palustris .
The record derives from WCSP which reports it as a synonym (record 31574
) with original publication details: Tent. Fl. Germ. 1: 389 1788.