Verbesina oncophora B.L.Rob. & Seaton [ Verbesina conyzoides Sessé & Moc.]
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Verbesina oncophora B.L.Rob. & Seaton [Compositae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0874] (1787-1803)