↑ Mohr, H. and Schopfer, P. 1995. Plant Physiology. Springer
↑ Huang, Xiao-Dong, El-Alawi, Y., Penrose, D.M., Glick, B.R. and Greenberg, B.M. 2004. Responses of three grass species to creosote during phytoremediation. Environmental Pollution, 130, 453-463
↑ Wong, P.K. 2000. Effects of 2,4-D, glyphosate and paraquat on growth, photosynthesis, and chlorophyll a synthesis of Scenedesmus quadricauda Berb 614. Chemosphere, 41, 177-182.
