Table 2.

Heavy metal accumulation in aquatic plants.

Plant name	Contaminant	References
Azolla caroliniana	As	Sebastian et al 70
Callitriche brutia	Hg	Kaur et al 71
Callitriche lusitanica	As	Shukla et al 72
Eichhornia crassipes	Cd, Cr	Rai 73
Ranunculus trichophyllus	As	Stefanidis et al 74
Typhaangustifolia	Pb	Nabuyanda et al 75