Veg. Syst. 10: 21. 1765. David E. Boufford Basionym: Circaea lutetiana var. canadensis Linnaeus Sp. Pl. 1: 9. 1753 Synonyms: C. quadrisulcata subsp. canadensis (Linnaeus)
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Onagroideae tribeOnagraceae tribe Circaeeae genusCircaea Show Lower Taxa Circaea alpina, Circaea canadensis, Circaea ×sterilis Linnaeus Sp. Pl. 1: 8. 1753. David
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a name published later, in its synonymy. Circaea ×intermedia is the hybrid between the European C. lutetiana Linnaeus and C. alpina Linnaeus. Hill used
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