Aquatic plants are natural absorbers of heavy metals and other
nutrients (Mukhopadhyay and Maiti 2010). Removal of heavy
metals and other pollutants from wastewater with the help of
aquatic plants has been reported as a low cost and effective
technology (Rai, 2008). Aquatic plants or constructed wetlands
were used extensively in a past few decades for the removal heavy
metals and nutrients from wastewater