Alsinastrum gyrospermum (Fr.) Rupr., 1860 | Alsinastrum octandrum Bubani, 1901 [nom. illeg. superfl.] | Elatine conjugata Lam., 1779 [nom. illeg. superfl.] | Elatine gyrosperma (Fr.) Düben ex Meinsh., 1878 | Elatine hydropiper subsp. gyrosperma Fr. ex P.Fourn., 1936 [ison.] | Elatine hydropiper subsp. gyrosperma (Fr.) Rouy & Foucaud, 1896 | Elatine hydropiper subsp. gyrosperma Fr., 1842 | Elatine hydropiper L., 1753 subsp. hydropiper | Elatine hydropiper subsp. oederi (Moesz) F.Herm. | Elatine hydropiper var. gyrosperma (Fr.) Lange, 1850 | Elatine hydropiper L., 1753 var. hydropiper | Elatinella hydropiper (L.) Opiz, 1852 | Elatine oederi Moesz, 1908 | Elatine schkuhriana Heyne, 1832 | Elatine serpyllifolia Gray, 1821 [nom. illeg. superfl.] | Elatine siphosperma Dumort., 1827 | Elatine spathulata Gorski, 1830 | Rhizium curvum Dulac, 1867 [nom. illeg. superfl.]