⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2693799, and has not been changed.

Caltha fistulosa f. atrorubra W.T.Wang is a synonym of Caltha palustris var. barthei Hance

This name is a synonym of Caltha palustris var. barthei Hance.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Acta Phytotax. Sin., Addit. 1: 50 1965.