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Circaea canadensis
Veg. Syst. 10: 21. 1765.
Basionym: Circaea lutetiana var. canadensis Linnaeus Sp. Pl. 1: 9. 1753
Synonyms: C. quadrisulcata subsp. canadensis (Linnaeus) Á. Löve & D. Löve C. quadrisulcata var. canadensis (Linnaeus) H. Hara
Treatment appears in FNA Volume 10.