Hygrophila polysperma (Roxb.) T. Anderson Hygrophila polysperma (Roxb.) T. Anderson in J. Linn. Soc., Bot. 9: 456. 1867 sec. The Plant List 2013≡Justicia polysperma Roxb., Fl. Ind., ed. 1820 1: 120. 1820 syn. sec. The Plant List 2013