Ludwigia helminthorrhiza (Mart.) H. Hara in J. Jap. Bot. 28(10): 292. 1953 sec. Wagner & al. 2007
- ≡Jussiaea helminthorrhiza Mart. in Flora 22(Beibl. 1): 61. 1839 syn. sec. The Plant List 2013
- =Jussiaea natans Bonpl., Pl. Aequinoct. 1: 16–18, t. 3, f. b. 1805 syn. sec. The Plant List 2013
- =Jussiaea natans var. emersa Hassl. in Repert. Spec. Nov. Regni Veg. 12(325-330): 276-277. 1913 syn. sec. The Plant List 2013