A tropical aquatic plant of the arum family which forms a floating rosette of leaves.
- Pistia stratiotes, family Araceae.
- I like the gray-green leaves of water lettuce, another boatlike floater, and the tiny fronds of Azolla filiculoides, a fern that happens to float.
- Three illegal species that top the list are the highly invasive water hyacinth, water lettuce and giant salvinia.
- The move is aimed at trying to slow spread of harmful aquatic vegetation such as hydrilla, hyacinth, water lettuce and salvinia, alien plants that can denigrate freshwater fisheries.
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Line breaks: water let|tuce
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