Roldana heracleifolia (Hemsley) H.Rob. & Brettell [ Senecio sonchoides Sessé & Moc.]
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Roldana heracleifolia (Hemsley) H.Rob. & Brettell [ ] [Compositae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0942] (1787-1803)