Nymphoides cordataNymphoides cordata, the little floatingheart, is a species of floating aquatic plant native to eastern North America.DescriptionThe floating leaves are 30–70 mm long and cordate, with smooth, purple lower surfaces. The flowers are white with five petals.RangeLittle floatingheart grows in eastern North America, from the eastern provinces of Canada down to Maryland, and then reoccurs from the Carolinas down to Louisiana.HabitatFreshwater ponds, lakes, and slow-moving rivers and streams.