Rorippa islandica subsp. fernaldiana (Butters & Abbe) Hultén

Rorippa islandica subsp. fernaldiana (Butters & Abbe) Hultén is a synonym sensu FNA Ed. Comm., 2010 of:

Rorippa palustris (Linnaeus) Besser subsp. palustris, an accepted subspecies name sensu FNA Ed. Comm., 2010.