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Heliopsis oppositifolia
Heliopsis oppositifolia (Lam.) S.Díaz [Accepted]
Compositae
5 504319 Heliopsis oppositifolia (Lam.) S.Díaz [181 504295 Heliopsis canescens Kunth]
S.T. Edwards, Bot. Reg., vol. 7 : t. 592 (1822) [M. Hart]
Heliopsis oppositifolia (L.) Druce
[Andrieuxia mexicana DC.]
J.P.B. Delessert, A.P. de Candolle, Icon. Select. Pl., vol. 4 : t. 31 (1839)