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*Ottelia Persoon. Duck-lettuce.

A genus of about 21 species, aquatic freshwater annual and perennial herbs, of tropical and subtropical Africa, Asia, Australasia, and s. South America.

Ref: Cook In Kubitzki (1998b); Crow & Hellquist (2023); Haynes (2000c) In Flora of North America Editorial Committee (2000). Show full citations.

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