Species
Nasturtium officinale (Watercress)
Nasturtium officinale. Photo: (c) Kathy, some rights reserved (CC BY-NC)
Watercress is an aquatic plant species with the botanical name Nasturtium officinale. This should not be confused with the profoundly different and unrelated group of plants with the common name of nasturtium, within the genus Tropaeolum.