⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2693870, and has not been changed.
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: in Fl. Reipubl. Popul. Sin. 27: 64 1979.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:888899-1.