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Synonyms. Lemnaceae. Lemnoideae is a subfamily of flowering aquatic plants, known as duckweeds, water lentils, or water lenses. They float on or just beneath the surface of still or slow-moving bodies of fresh water and wetlands. Also known as bayroot, they arose from within the arum or aroid family ( Araceae ), [1] so often are classified as ...
- Lemna
Lemna is a genus of free-floating aquatic plants referred to...
- Lemna minor
Lemna minor, the common duckweed or lesser duckweed, is a...
- Spirodela polyrhiza
Spirodela polyrhiza (orth. var. S. polyrrhiza) is a species...
- Lemna
Duckweed, water lens, or bayroot, are freshwater aquatic plants. They float in still or slow-moving fresh water and wetlands. There are five genera, with a total of 33 to 38 species. [1] [2] These plants are very simple: They lack an obvious stem or leaves.
Nine duckweed species occur in North America. Common duckweed (L. minor) is the most widespread species, ranging across Canada and reported for all states except Hawaii and South Carolina. Identifying duckweeds to species can be tricky due to their minute size and absence of showy floral characters.
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About. A familiar sight of freshwater ponds, flooded gravel pits and old canals, Common duckweed multiples by division and can easily form a vast mat that overtakes the surface of pool if left unchecked. As its name suggests, it does provide food for ducks, but it can also provide shelter for spawning Common Frogs and Common Toads. How to identify.