threeleaf goldthread, savoyane, canker-root (Coptis trifolia)

Coptis trifolia is a species in the Coptis genus. It is commonly known as threeleaf goldthread, savoyane, canker-root This name is accepted name for the species in the family Ranunculaceae subfamily Coptidoideae, . . This species is found in Eastern Eurasia, Greenland, Saint Pierre and Miquelon, Canada, USA.