Polygonum amphibium L., Sp. Pl. 361. 1753; Hook. f., Fl. Brit. Ind. 5: 34. 1886; Rech.f. & Schiman-Czeika in Rech.f., Fl. Iran. 56: 56. 1968; R.R.Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 203. 1972; Bhopal & Chaudhri in Pak. Syst. 1(2): 76. 1977; Polygonum amphibium var. natans Leyss., Fl. Hall. 391. 1761; var. terrestre Leyss. l.c.; Polygonum pusporium Gilib. Exerc. Phytol. 2: 433. 1792; Polygonum amurense Niewalnd in Amer.Midl. Nat. 2: 183. 1821; Persicaria amphibia (L.) S. F. Gray var. natans (Leyss.) Munshi & Javeid, l.c. 63 and var. terrestre (Leyss.) Munshi & Javeid, l.c.