= Arabis nasturtium (Moench) Clairv.; Man. Herbor. Suisse 223 (1811)
= Baeumerta nasturtium (Moench) G.Gaertn., B.Mey. & Scherb.; Fl. Wetterau 2: 467 (1800)
= Cardamine aquatica (Garsault) Nieuwl.; Amer. Midl. Naturalist 4: 34 (1915)
= Cardamine fontana Lam.; Fl. Franç. [Lamarck] 2: 499 (1779), nom. superfl.
= Cardamine nasturtium-aquaticum (L.) Borbás; Balaton Tavának Növényföldr. 390 (1900)
= Cardaminum nasturtium Moench; Methodus [Moench] 262 (1794)
= Cardaminum nasturtium-aquaticum var. siifolium (Rchb.) Murr; Neue Übers. Bl.-Pfl. Vorarlberg Liechtenstein 2: 128 (1923)
= Cardaminum nasturtium-aquaticum var. trifolium (Kitt.) Murr; Neue Übers. Bl.-Pfl. Vorarlberg Liechtenstein 2: 128 (1923)
= Crucifera fontana (Lam.) E.H.L.Krause; Deutschl. Fl. [Sturm], ed. 2, 6: 109 (1902), nom. illeg.
= Nasturtium alexandrinum Crantz; Cl. Crucif. Emend. 79 (1769)
= Nasturtium aquaticum Garsault; Fig. Pl. Méd., t. 403 (1764), opus utique rej.
= Nasturtium aquaticum Wahlenb.; Sv. Bot. [Palmstruch] 9: t. 624 (1824), nom. illeg.
= Nasturtium flexuosum Seub.; Fl. Azor. [Seubert] 43 (1844)
= Nasturtium fontanum (Lam.) Asch.; Fl. Brandenburg 1(1): 32 (1860) nom. illeg.
= Nasturtium fontanum var. longisiliquum Irmisch; Bot. Zeitung (Berlin) 19: 317 (1861)
= Nasturtium fontanum var. siifolium (Rchb.) Asch.; Fl. Brandenburg 1(1): 33 (1860)
= Nasturtium insipidum E.Rev. ex Foucaud & Rouy; Fl. France [Rouy & Foucaud] 1: 204 (1893), nom. inval.
= Nasturtium nasturtium (Moench) Cockerell; Bull. Torrey Bot. Club 19: 95 (1892)
= Nasturtium nasturtium-aquaticum (L.) H.Karst.; Ill. Repert. Pharm.-Med. Bot. 657 (1886), nom. inval.
= Nasturtium nasturtium-aquaticum J.G.Weinm.; Diss. [Weinmann] 8 (1764), nom. inval.
= Nasturtium officinale f. macrophyllum Zapal.; Rozpr. Wydz. Mat.-Przyr. Akad. Umiejetn., Dzial B, Nauki Biol., Ser. 3, 12B(52B): 162 (1912 publ. 1913)
= Nasturtium officinale f. siifolium (Rchb.) Ahlfv.; Sver. Fl. 455 (1901)
= Nasturtium officinale f. simplicifolium (Neuman) Ahlfv.; Sver. Fl. 455 (1901)
= Nasturtium officinale f. subasarifolium Bolzon; Bull. Soc. Bot. Ital. 1912: 84 (1912)
= Nasturtium officinale f. submersum Glück; Biol. Morphol. Untersuch. Wasser- Sumpfgewächse 3: 179 (1911)
= Nasturtium officinale f. terrestre Glück; Beih. Bot. Centralbl. 39(2): 341 (1923)
= Nasturtium officinale subsp. parvifolium (Peterm.) Arcang.; Comp. Fl. Ital. [Arcangeli] 32 (1882)
= Nasturtium officinale subsp. rotundifolium A.P.Khokhr.; Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 96(4): 108 (1991)
= Nasturtium officinale subsp. siifolium (Rchb.) Ces.; Not. Nat. Civ. Lombardia [Cattaneo] 1: 286 (1844)
= Nasturtium officinale var. asarifolium Rouy & Foucaud; Fl. France [Rouy & Foucaud] 1: 204 (1893)
= Nasturtium officinale var. fluitans Zapal.; Rozpr. Wydz. Mat.-Przyr. Akad. Umiejetn., Dzial B, Nauki Biol., Ser. 3, 12B(52B): 162 (1912 publ. 1913)
= Nasturtium officinale var. insipidum P.Fourn.; Quatre Fl. France 409 (1936), nom. illeg.
= Nasturtium officinale var. intermedium Gren.; Fl. Jurass. [Grenier] 59 (1865)
= Nasturtium officinale var. minor H.C.Hall ex Lej.; Comp. Fl. Belg. 2: 277 (1831)
= Nasturtium officinale var. parviflorum Gaudin; Fl. Helv. 4: 275 (1829)
= Nasturtium officinale var. parvifolium (Peterm.) Rouy & Foucaud; Fl. France [Rouy & Foucaud] 1: 205 (1893)
= Nasturtium officinale var. paucijugatum Gray; Nat. Arr. Brit. Pl. 2: 678 (1821 publ. 1822)
= Nasturtium officinale var. platyphyllum Boenn.; Prodr. Fl. Monast. Westphal. 195 (1824)
= Nasturtium officinale var. praecox Gray; Nat. Arr. Brit. Pl. 2: 678 (1821 publ. 1822)
= Nasturtium officinale var. precosium DC.; Syst. Nat. [Candolle] 2: 189 (1821)
= Nasturtium officinale var. siifolium (Rchb.) Steud.; Nomencl. Bot. [Steudel], ed. 2, 2: 185 (1841)
= Nasturtium officinale var. siifolium (Rchb.) W.D.J.Koch; Syn. Fl. Germ. Helv., ed. 2, 1: 37 (1843)
= Nasturtium parvifolium (Peterm.) H.W.Howard & Manton; Ann. Bot. (Oxford) 10: 11 (1946)
= Nasturtium roridulum Bello; Anales Soc. Esp. Hist. Nat. 10: 236 (1881)
= Nasturtium siifolium Phil.; Anales Univ. Chile 81: 179 (1892), nom. illeg.
= Nasturtium siifolium Rchb.; Fl. Germ. Excurs. 2: 683 (1832)
= Radicula nasturtium (Moench) Druce; Ann. Scott. Nat. Hist. 1906: 219 (1906)
= Radicula nasturtium (Thunb.) Cav.; Elench. Pl. Horti Matr. 30 (1803)
= Radicula nasturtium-aquaticum (L.) Britten & Rendle; List Brit. Seed-Pl. Ferns 3 (1907)
= Radicula officinalis (W.T.Aiton) H.Groves; Man. Brit. Bot. [Babington], ed. 9: 26 (1904)
= Rorippa nasturtium (Moench) Beck; Fl. Nieder-Österreich 3: 463 (1892), Rusby, in Mem. Torrey Bot. Club 3(3): (1893)5
= Rorippa nasturtium-aquaticum (L.) Hayek; Sched. Fl. Stiriac. Exsicc. 22 (1905)
= Rorippa nasturtium-aquaticum var. longisiliqua (Irmisch) B.Boivin; Naturaliste Canad. 93: 645 (1966)
= Rorippa nasturtium-aquaticum var. siifolia (Rchb.) Vollm.; Fl. Bayern [Vollmann] 308 (1914)
= Rorippa officinalis (W.T.Aiton) P.Royen; Alpine Fl. New Guinea 3: 2029 (1982)
= Rorippa ×procera (Hy) Rouy; Fl. France [Rouy & Foucaud] 4: 293 (1897)
= Sisymbrium amarum Salisb.; Prodr. Stirp. Chap. Allerton 270 (1796)
= Sisymbrium cardaminefolium Gilib.; Fl. Lit. Inch. 2: 70 (1782), opus utique oppr.
= Sisymbrium fluviatile Vell.; Fl. Flumin. 271 6(1): 109 (1829)
= Sisymbrium nasturtium Thunb.; Fl. Jap. [Thunberg] 260 (1784)
= Sisymbrium nasturtium-aquaticum L.; Sp. Pl. [Linnaeus] 2: 657 (1753)
= Sisymbrium nasturtium-aquaticum var. minus Roth; Tent. Fl. Germ. 1: 289 (1788), nom. inval., et 125 (1793)