Helleborus trifolius Linnaeus, Species Plantarum 1: 558. 1753.

"Habitat in Canada, Sibiria." RCN: 4110.

Lectotype (Reveal in Jarvis & al. in Taxon 54: 469. 2005): Steller?, Herb. Linn. No. 718.8 (LINN) .

Current name: Coptis trifolia (L.) Salisb. ( Ranunculaceae).