| Armoracia lapathifolia Gilib. ex Usteri | Armoracia rusticana G. Gaertn. et al. | | | Armoracia lapathifolia Gilib. ex Usteri | Armoracia rusticana G. Gaertn. et al. | 4233 | 4234 |
| Armoracia rusticana G. Gaertn. et al. | | a | | Armoracia rusticana G. Gaertn. et al. | | 4234 | |
| Armoracia lacustris (A. Gray) Al-Shehbaz & V. M. Bates | | a | | Armoracia lacustris (A. Gray) Al-Shehbaz & V. M. Bates | | 402108 | |
| Armoracia sisymbroides (DC.) Cajander | | a | | Armoracia sisymbroides (DC.) Cajander | | 407041 | |
| Armoracia macrocarpa (Waldst. & Kit.) Kit. ex Baumg. | | a | | Armoracia macrocarpa (Waldst. & Kit.) Kit. ex Baumg. | | 478725 | |