Heteranthera reniformis common name kidneyleaf mud-plantain, and mud plantain; is a species of flowering plant in the family Pontederiaceae. It is found in North America. It is listed as a special concern and believed extirpated in Connecticut."Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 17 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.) It listed as endangered in Illinois and Ohio.
Native American ethnobotany The Cherokee apply a hot poultice of the root to inflamed wounds and sores.Hamel, Paul B. and Mary U. Chiltoskey, 1975, Cherokee Plants and Their Uses -- A 400 Year History, Sylva, N.C. Herald Publishing Co., page 45
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