common duckweed
From Wiktionary, the free dictionary
English
Noun
common duckweed (countable and uncountable, plural common duckweeds)
- Any of species Limna minor of freshwater aquatic plants used for bioremediation and advanced for other environmental uses, found worldwide, except in arctic and subarctic environments.
Synonyms
- (aquatic plant): lesser duckweed
References
common duckweed on Wikipedia.Wikipedia 
Limna minor on Wikispecies.Wikispecies 
Limna minor on Wikimedia Commons.Wikimedia Commons
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