Thalictrum cornuti Linnaeus, Species Plantarum 1: 545. 1753.

"Habitat in Canada." RCN: 4043.

Lectotype (Hand in Jarvis & al. in Taxon 54: 470. 2005): [icon] " Thalictrum sem. triquetro foliis Aquilegiae" in Morison, Pl. Hist. Univ. 3: 325, s. 9, t. 20, f. 15. 1699.

Current name: Thalictrum aquilegiifolium L. ( Ranunculaceae).