1. Alkorta I, Hernández-Allica J, Becerril JM, Amezaga I, Albizu I, Onaindia M, Garbisu C (2004) Chelate-enhanced phytoremediation of soils polluted with heavy metals. Rev Environ Sci Biotechnol 3:55–70
2. Anderson C, Moreno F, Meech J (2005) A field demonstration of gold phytoextraction technology. Miner Eng 18:385–392
3. Baker AJM, Mcgrath SP, Reeves RS, Smith JAC (1998) Metal hyperaccumulator plants: a review of the ecology and physiology of a biological resource for phytoremediation of metal-polluted soils. In: Terry N, Bañuelos G (eds) Phytoremediation of contaminated soil and water. Lewis Publishers, Boca Raton, Florida, pp 85–107
4. Bareen F, Tahira SA (2010) Efficiency of seven different cultivated plant species for phytoextraction of toxic metals from tannery effluent contaminated soil using EDTA. Soil Sed Contam 19:160–173
5. Bareen F, Tahira SA (2011) Metal accumulation potential of wild plants in tannery effluent contaminated soil of Kasur, Pakistan: Field trials for toxic metal cleanup using Suaeda fruticosa. J Hazard Mater 186:443–450