pondweed

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pondweed,

common name for the family Potamogetonaceae, and for weedy aquatic herbs of the genus Potamogeton, of which about 50 known species inhabit North American ponds and slow streams. They have slender stems and small spikes of inconspicuous flowers appearing above the water. A few species are cultivated—some as waterfowl food and for fish protection in conservation projects. The saltwater eelgrass (genus Zostera) of gently sloping shores is closely related. Pondweeds are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Najadales.

pondweed

1. any of various water plants of the genus Potamogeton, which grow in ponds and slow streams: family Potamogetonaceae
2. Brit any of various unrelated water plants, such as Canadian pondweed, mare's-tail, and water milfoil, that have thin or much divided leaves
References in periodicals archive ?
Evaluation of the American waterweed (Elodea Canadensis Michx.
Ironically, the waterweed is likely to have helped improve the lake's waters, according to the council.
Modern biomedical researchers, in the quest for the equivalent of Gilgamesh's waterweed, have made great progress in unraveling the mystery of aging.
Lagarosiphon Major, commonly known as Curly Waterweed, spreads rapidly, choking light and life out of waterways.
uk and click on Roath Park Lake Waterweed problems, the resulting article rightly points out some benefits (yes, there are
A spokesman for the council admitted there was an infestation of waterweed on the lake and they were using a range of methods to control its growth.
Councillor Marion Drake, Deputy Leader (Culture and Sport) added: ``I can understand that the appearance of the lake and the growth of waterweed is of concern.
Because the river was shallow and the waterweeds growing thick, I survived without injuries and burns.
This feature relates remotely to the flat fish which, together with pebbles, waterweeds, sea spray and marine detritus, had impressed him as a child on the Kentish coast near London.
Following the swimming training, HH Shaikh Nasser commented that the swimming race will be a tough challenge, considering the density of waterweeds living in the lake, where the race takes place.
They are using rakes to take pries of waterweeds out of one of the canals where the next generation of young fish will soon be hatching.