Rensonia is a genus of Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.Blake, Sydney Fay. 1923. Journal of the Washington Academy of Sciences 13(8): 144–145 entirely in EnglishTropicos, Rensonia S.F. Blake
The genus is named for Salvadoran botanist Carlos Renson.
Species The only known species is Rensonia salvadorica, native to Mesoamerica (Costa Rica, El Salvador, Guatemala, Chiapas, Oaxaca, Veracruz)Flann, C (ed) 2009+ Global Compositae Checklist Strother, J. L. 1999. Compositae–Heliantheae s. l. 5: 1–232. In D.E. Breedlove (ed.) Flora of Chiapas. California Academy of Sciences, San Francisco
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