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S. Das, S. Goswami og A. Das Talukdar (2016). «Physiological responses of water hyacinth, Eichhornia crassipes (Mart.) Solms, to cadmium and its phytoremediation potential». Turkish Journal of Biology. 40: 84–94. ISSN1303-6092. doi:10.3906/biy-1411-86.
M.O.O. Pellegrini, C.N. Horn og R.F. Almeida (2018). «Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L.». PhytoKeys. 218: 25–83. ISSN1314-2003. doi:10.3897/phytokeys.108.27652.