⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-27101682, with some changes.

Caltha biflora var. howellii Huth is a synonym of Caltha leptosepala DC.

This name is a synonym of Caltha leptosepala DC..

The record derives from Tropicos which reports it as a synonym (record 27101682) with original publication details: Helios 9: 68 68 1891.