⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2786549, and has not been changed.

Elatine hydropiper subsp. campylosperma (Seub.) P.Fourn. is a synonym of Elatine macropoda Guss.

This name is a synonym of Elatine macropoda Guss..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Quatre Fl. France 442 1936.