Monogereion is a genus of Brazilian flowering plants in the tribe Eupatorieae within the family Asteraceae.D.J.N.Hind & H.E.Robinson. 2007. Tribe Eupatorieae In: The Families and Genera of Vascular Plants vol.VIII. (Joachim W.Kadereit & Charles Jeffrey, volume editors. Klaus Kubitzky, general editor). Springer-Verlag. Berlin, Heidelberg.Barroso, Graziela Maciel & King, Robert Merrill. 1971. Brittonia 23: 118Tropicos, Monogereion G.M. Barroso & R.M. King Pruski, J.F. 2003. Compositae Newsletter 40: 64–68
Species There is only one known species, Monogereion carajensis, native to the State of Pará in northeastern Brazil.The Plant List, Monogereion carajensis G.M.Barroso & R.M.King
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