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$modus 1: smartphone
Armoracia lacustris
Armoracia lacustris (A. Gray) Al-Shehbaz & V.Bates [Accepted]
Cruciferae
Armoracia lacustris(A. Gray) Al-Shehbaz & V.Bates [Armoracia aquatica (Eaton) Wiegand] {81 260692 Cochlearia aquatica Eaton}
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 475 (1972) [V. Frazier]