Nasturtium officinale, also known as Nasturtium nasturtium-aquaticum, Rorippa nasturtium-aquaticum, and Sisymbrium nasturtium-aquaticum, commonly known as watercress, is a water plant whose leaves and seeds are edible raw or cooked.[1] The leaves should not be eaten raw if harvested from water that is exposed to runoff from domesticated animals as they may contain parasites. Boiling kills the parasites.[1]

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