| Brassicaceae | |
Rorippa palustris fo. aquatica
| Vict. | Contr. Lab. Bot. Univ. Montréal 17: 16 | 1930 |
| Brassicaceae | |
Rorippa palustris var. cernua
| (Nutt. ex Torr. & A. Gray) Stuckey | Sida 4(4): 364 | 1972 |
| Brassicaceae | |
Rorippa palustris var. clavata
| (Rydb.) Stuckey | Sida 4(4): 358 | 1972 |
| Brassicaceae | |
Rorippa palustris var. dictyota
| (Greene) Stuckey | Sida 4(4): 360 | 1972 |
| Brassicaceae | |
Rorippa palustris var. elongata
| Stuckey | Sida 4(4): 367–369, f. 7, map 17 | 1972 |
| Brassicaceae | |
Rorippa palustris subsp. fernaldiana
| (Butters & Abbe) Jonsell | Symb. Bot. Upsal. 19(2): 158 | 1968 |
| Brassicaceae | |
Rorippa palustris var. fernaldiana
| (Butters & Abbe) Stuckey | Sida 4(4): 361 | 1972 |
| Brassicaceae | |
Rorippa palustris subsp. glabra
| (O.E. Schulz) Stuckey | Sida 4(4): 358–359 | 1972 |
| Brassicaceae | |
Rorippa palustris var. glabra
| (O.E. Schulz) Roy L. Taylor & MacBryde | Canad. J. Bot. 56(2): 185–186 | 1978 |
| Brassicaceae | ** |
Rorippa palustris var. glabrata
| (Lunell) Stuckey | Sida 4(4): 363 | 1972 |
| Brassicaceae | |
Rorippa palustris var. glabrata
| (Lunell) Vict. | Contr. Lab. Bot. Univ. Montréal 17: 15 | 1930 |
| Brassicaceae | |
Rorippa palustris subsp. hispida
| (Desv.) Jonsell | Symb. Bot. Upsal. 19(2): 159 | 1968 |
| Brassicaceae | |
Rorippa palustris var. hispida
| (Desv.) Rydb. | Bot. Surv. Nebraska 3: 26 | 1894 |
| Brassicaceae | |
Rorippa palustris fo. inundata
| Vict. | Contr. Lab. Bot. Univ. Montréal 17: 16 | 1930 |
| Brassicaceae | |
Rorippa palustris subsp. occidentalis
| (S. Watson) Abrams | Ill. Fl. Pacific States 2: 278 | 1944 |
| Brassicaceae | |
Rorippa palustris var. occidentalis
| (S. Watson) Rollins | Harvard Pap. Bot. 1(4): 48 | 1993 |
| Brassicaceae | |
Rorippa palustris var. pacifica
| (Howell) G.N. Jones | Bot. Surv. Olympic Penins. 161 | 1936 |
| Brassicaceae | |
Rorippa palustris subsp. palustris
| | | |
| Brassicaceae | |
Rorippa palustris var. palustris
| | | |
| Brassicaceae | |
Rorippa palustris var. williamsii
| (Britton) Hultén | Fl. Alaska Yukon 5: 828 | 1945 |
| Brassicaceae | |
Rorippa palustris x sinuata
| | | |