There is only one known species, Mexianthus mexicanus, native to the State of Jalisco in western Mexico.Flann, C (ed) 2009+ Global Compositae Checklist The Plant List, Mexianthus mexicanus B.L.Rob.Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272.
