| Meaning | family of small free-floating thalloid plants. |
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| Synonyms | family Lemnaceae, duckweed family |
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| Member of | Arales, order Arales | Araceae |
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| Members | Lemna, genus Lemna | minute aquatic herbs floating on or below the water surface of still water consisting of a leaflike frond or plant body and single root |
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| Spirodela, genus Spirodela | minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots |
| Wolffia, genus Wolffia | minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond |
| Wolffiella, genus Wolffiella | minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond |
| duckweed | Any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds |
| Broader | monocot family, liliopsid family | family of flowering plants having a single cotyledon (embryonic leaf) in the seed |
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| Spanish | Lemnaceae, lemnáceas |
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| Catalan | Lemnaceae |
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