Lepidium armoracia (Fisch.) C.A. Mey. Lepidium armoracia (Fisch.) C.A. Mey., Index Seminum [St. Petersburg] 9: 77. 1843 sec. Warwick & al. 2006=Lepidium intermedium A. Rich., Tent. Fl. Abyss. 1: 21. 1847 syn. sec. Warwick & al. 2006