Synonyms: Brachiolobos hispidus (homotypic); Nasturtium hispidum (homotypic); Nasturtium hispidum f. tetrapoma; Nasturtium palustre var. hispidum; Nasturtium terrestre var. hispidum (homotypic); Radicula hispida (homotypic); Radicula palustris var. hispida (homotypic); Rorippa globosa f. tetrapoma (homotypic); Rorippa hispida f. tetrapoma (homotypic); Rorippa islandica f. reptabunda; Rorippa islandica f. tetrapoma; Rorippa islandica var. hispida (homotypic); Rorippa palustris var. hispida (homotypic); Rorippa palustris var. reptabunda; Rorippa terrestris var. hispida (homotypic)