Rorippa palustris (L.) Besser var. palustris, Enum. Pl. [Besser] 27: 103. 1822 sec. Rollins 1993
- =Sisymbrium amphibium L., Sp. Pl. 2: 657. 1753 syn. sec. Rollins 1993
- =Rorippa williamsii Britton in Bull. New York Bot. Gard. 2(6): 171. 1901 syn. sec. Rollins 1993
- =Radicula williamsii (Britton) A. Heller in Muhlenbergia 7(11): 124. 1912 syn. sec. Rollins 1993
- =Nasturtium williamsii (Britton) Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 8(5): 312. 1931 syn. sec. Rollins 1993
- =Rorippa islandica var. microcarpa (Regel) Fernald in Rhodora 42(499): 271. 1940 syn. sec. Rollins 1993
- =Rorippa palustris var. williamsii (Britton) Hultén, Fl. Alaska & Yukon 5: 828. 1945 syn. sec. Rollins 1993