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Nasturtium officinale (Watercress)

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Plant Type: Forb

Domestication Type: Wild

Habitat: Spring and streams. Often growing directly out of the water.

Flower Color: white

Number of Petals: 4

Edibility: Delicious

Other Notes: The watercress plant is a good indicator of the cleanliness of water. Watercress will not grown in chemically contaminated water; it is very particular. The presence of a healthy colony of watercress does not, however, reveal biological contamination.