⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2693949, and has not been changed.

Caltha rotundifolia var. howellii (Huth) K.C.Davis is a synonym of Caltha leptosepala var. howellii Huth

This name is a synonym of Caltha leptosepala var. howellii Huth.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Taxon. Stud. N. Amer. Ranunculaceae 15 1900.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:42884-2.