Armoracia is a genus of flowering plants of the family Brassicaceae, native to the Palaearctic. Its best known member is horseradish, Armoracia rusticana, which is the type species.
Species Many species have been described, but most have ended up synonymized. Plants of the World Online accepts three species. Armoracia macrocarpa (Waldst. & Kit.) Kit. ex Baumg. Armoracia rusticana P.Gaertn., B.Mey. & Scherb. Armoracia sisymbrioides (DC.) N.Busch ex Ganesh
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