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

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EOL has data for 11 attributes, including:

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