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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 Magnoliophyta Magnoliophyta (măg'nōlēŏf`ətə) ..... Click the link for more information. , 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 How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| League to Save Lake Tahoe of South Lake Tahoe, CA, to design and erect 15 signs on protecting Lake Tahoe from Eurasian water milfoil and curlyleaf pondweed. This high-quality wetland is a refuge for several state threatened and endangered species, and is a designated Illinois Natural Area Inventory site Threatened (T) and endangered (E) species include the Black Tern (E), the Pugnose Shiner (E), the Blackchin Shiner (T), the Blacknose Shiner (E), the Banded Killifish (E), the Iowa Darter (E), American Sloughgrass (E), the Grass-leaved Pondweed (T), the White-stem Pondweed (E) and the Fern Pondweed (E). |
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