Sanguinaria canadensis Linnaeus, Species Plantarum 1: 505. 1753.

"Habitat in America septentrionali." RCN: 3832.

Lectotype (Reveal in Jarvis & al., Regnum Veg. 127: 84. 1993): Kalm, Herb. Linn. No. 666.1 (LINN) .

Generitype of Sanguinaria Linnaeus.

Current name: Sanguinaria canadensis L. ( Papaveraceae).