Dysodium Rich. |subdivision_ranks = Species |subdivision = See text. |}} Melampodium a genus of flowering plants in the sunflower family, Asteraceae. The 39 species it contains are rugged plants native to the tropical to subtropical regions that include Central America, Southwestern United States, California, Florida, the Caribbean, and South Amer... Found on http://en.wikipedia.org/wiki/Melampodium