Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Dream to Eijkman, Christiaan

Duckweed

Duckweed, aquatic plant (genus Lemna) with small round leaves, no stem, and a few rootlets, and simple flowers. Duckweeds float on the surface of still water, forming an almost continuous layer, and sink in winter.

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