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Which members of Araceae are free-floating or rooted aquatic plants?

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Flowering rush — Alismatales Showy and delicate flowers of the flowering rush (*Butomus umbellatus*).

The family Araceae, which belongs to the order Alismatales, includes several species adapted to aquatic environments.123

Specific examples of aquatic members within this family include:

Water lettuce (Pistia stratiotes): A well-known aquatic species within the family.23
Duckweeds (Lemna and its relatives): These are extremely reduced, specialized aquatic plants that make up the subfamily Lemnoideae.23

While the family Araceae is diverse and includes many terrestrial climbers and herbaceous plants, these specific genera are recognized for their aquatic lifestyles, functioning as either rooted or free-floating plants in their respective habitats.23