Brachiolobos hispidus Desvaux, J. Bot. Agric. 3: 183. 1815 (as Brachilobus); Cardamine palustris (Linnaeus) Kuntze var. hispida (Desvaux) Fischer & C. A. Meyer ex Kuntze; Nasturtium hispidum (Desvaux) de Candolle; N. palustre (Linnaeus) de Candolle subsp. hispidum (Desvaux) Fischer & C. A. Meyer ex O. E. Schulz; N. palustre var. hispidum (Desvaux) A. Gray; N. terrestre (Withering) W. T. Aiton var. hispidum (Desvaux) S. Watson; Radicula hispida (Desvaux) Britton; R. palustris (Linnaeus) Moench var. hispida (Desvaux) B. L. Robinson; Rorippa hispida (Desvaux) Britton; R. islandica (Oeder ex Murray) Borbás var. hispida (Desvaux) Butters & Abbe; R. palustris var. hispida (Desvaux) Rydberg; R. terrestris (Withering) Fuss var. hispida (Desvaux) A. Nelson; Sisymbrium hispidum (Desvaux) Poiret

Stems often densely hirsute. Leaf blades: abaxial surface often densely hirsute.

Flowering Jun-Aug. Margins of ponds and streams, lake shores, gravelly beaches, roadside ditches, mud flats, wet meadows, stream banks, springy ledges, swamps; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., Ont., Que., Sask., Yukon; Alaska, Calif., Colo., Conn., Del., Idaho, Ind., Iowa, Maine, Mass., Mich., Minn., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Oreg., Pa., R.I., Utah, Vt., Wash., Wis., Wyo.