Lemna (Duckweed) is a genus of herb in the family Araceae. They are native to North America, Alaska, The Contiguous United States, U.S. Virgin Islands, Puerto Rico, Canada, Hawaii, and Saint-Pierre Et Miquelon.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of duckweed. View this species on GBIF