Rorippa islandica var. barbareifolia (de Candolle) S.L. Welsh
Rorippa islandica var. barbareifolia (de Candolle) S.L. Welsh is a synonym sensu FNA Ed. Comm., 2010 of:
Rorippa barbareifolia (de Candolle) Kitagawa, an accepted species name sensu FNA Ed. Comm., 2010.