Watercress
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Watercress or yellowcress is a species of aquatic flowering plant in the cabbage family, Brassicaceae.
Image: Watercress (2)
Image: Nasturtium officinale 00
Watercress beds in Warnford, Hampshire, England
Aquatic plant
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Aquatic plants are plants that have adapted to living in aquatic environments. They are also referred to as hydrophytes or macrophytes to distinguish them from algae and other microphytes. A macrophyte is a plant that grows in or near water and is either emergent, submergent, or floating. In lakes and rivers, macrophytes provide cover for fish, substrate for aquatic invertebrates, produce oxygen, and act as food for some fish and wildlife.
The flower of Nymphaea alba, a species of water lily
Bud of Nelumbo nucifera, an aquatic plant.
Many liverworts grow either submerged or on land.
Ceratophyllum submersum, a free-floating plant that grows completely submerged