Barrosoa is a genus of in 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.][ King, Robert Merrill & Robinson, Harold Ernest. 1971. Phytologia 21: 26-27][ Tropicos, Barrosoa R.M. King & H. Rob.] All the species are endemic to South America:[ Flann, C (ed) 2009+ Global Compositae Checklist ]
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Barrosoa apiculata (Gardner) R.M.King & H.Rob.
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Barrosoa atlantica
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Barrosoa betonicaeformis
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Barrosoa betonicifolia R.M.King & H.Rob.
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Barrosoa betoniciformis (DC.) R.M.King & H.Rob.
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Barrosoa cabrerae (B.L.Rob.) R.M.King & H.Rob.
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Barrosoa candolleana (Hook. & Arn.) R.M.King & H.Rob.
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Barrosoa confluentis (B.L.Rob.) R.M.King & H.Rob.
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Barrosoa grossedentata V.M.Badillo
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Barrosoa metensis (B.L.Rob.) R.M.King & H.Rob.
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Barrosoa organensis (Gardner) R.M.King & H.Rob.
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Barrosoa ramboi (Cabrera) R.M.King & H.Rob.
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Barrosoa trianae (B.L.Rob.) R.M.King & H.Rob.
