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Noun1.Lemnaceae - family of small free-floating thalloid plants
liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed
Arales, order Arales - Araceae; Lemnaceae
duckweed - any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
genus Lemna, 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
genus Spirodela, Spirodela - minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots
genus Wolffia, Wolffia - minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frond
genus Wolffiella, Wolffiella - minute rootless aquatic herbs having flat fronds floating on or below the water surface and bearing 1-2 flowers per frond; America and Africa
References in periodicals archive ?
The next morning with Denmon, we waded into duck weed just under our armpits, in deep, cold water.
During the summer, the apple snail's small pink eggs can be seen in clusters clinging to bulrush, maiden cane, pickerel weed, duck weed and aquatic grasses.
The introduction of floating aquatic plants such as water hyacinth, Kariba weed (Salvinia molesta) and the small, red leafed, duck weed (Azolla nilotica) is not an option as they all have the potential to smother dams and therefore will eventually be detrimental to the fish.
Remove blanket weed and duck weed using a net or twisting it around a cane.
A mixture of water, cattails, marsh grass, downed timber, stumps, flooded bushes and green willow--plus lots of floating duck weed (a favorite food of wood ducks)--are the ingredients that make up a killer wood duck slough and a hunting situation that begs for an exceptionally well-trained dog.
3) At left, Grant Arbout and Patrick Lei check out duck weed.