G. O. . Omoregie, B. . Ikhajiagbe, and G. O. . Anoliefo, “Phytoremediation Potential of Four Heavy Metals in Soil by Chromolaena odorata (L.) King & Robinson at the Phytotoxicity Screening Benchmarks”, Tanz. J. Sci., vol. 45, no. 3, pp. 372–381, Mar. 2021.