⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35148287, with some changes.

Harpidium exannulatum var. falcatum Sanio ex C.E.O. Jensen is a synonym of Warnstorfia fluitans var. falcata (Sanio ex C.E.O. Jensen) H.A. Crum & L.E. Anderson

This name is a synonym of Warnstorfia fluitans var. falcata (Sanio ex C.E.O. Jensen) H.A. Crum & L.E. Anderson.

The record derives from Tropicos which reports it as a synonym (record 35148287) with original publication details: Meddel. Grønland 3: 324 324 1887.