⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2736141, and has not been changed.
This name is a synonym of Coptis trifolia subsp. groenlandica .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Trans. Wisconsin Acad. Sci. 38: 195 1946.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:65062-2
.