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Senecio barba-johannis DC.
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Compositae
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SC SE North America (Mexico: Chiapas; Guatemala, Honduras)
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SC SE
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Roldana barba-johannis H.Rob. & Brettell
Roldana donnell-smithii (J.M.Coult.) H.Rob. & Brettell
Senecio donnell-smithii J.M.Coult.
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Mexican groundsel
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séneçon du Mexique
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