noun
- Cosmopolitan except South America and New Zealand and some oceanic islands.
- synonyms: water flaxseed, Spirodela polyrrhiza
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). great duckweed. Retrieved September 22, 2026, from http://smartdefine.org/great_duckweed/definitions/1236752 |
| Chicago | WordNet. 2010. "great duckweed" http://smartdefine.org/great_duckweed/definitions/1236752 (accessed September 22, 2026). |
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| MLA | WordNet. "great duckweed" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/great_duckweed/definitions/1236752> |