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Long-beaked arrowhead (Sagittaria longirostra). Found in swamps and along ponds, New Jersey and Pennsylvania to Alabama (After Britton & Brown)
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Needle spike-rush (Eleocharis avicularis). Found in wet soil throughout North America, except in extreme north. Also in Europe and Asia (After Britton & Brown)
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Mandioca or Cassava.
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Three stages in the growth of Pteroceras rugosum Sowb., E. Indies, showing the development of the "fingers".
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Eel Grass, at Low Tide, Covered with Periwinkles.
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White water crowfoot (Ranunculus aquatilis). In ponds and streams, Nova Scotia to British Columbia, south to North Carolina and Florida. Also in Europe and Asia (After Britton & Brown)
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Waterweek (Philotria canadensis). Found nearly throughout North America, except extreme north (After Britton & Brown)
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Nelumbium luteum, a few acres growing at East Harbor, Ohio : the standing leaves are about 2 1/2 feet above water.
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Vanderbilt University, Nashville, Davidson County, Tennessee, US
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U.S. Hwy. 180, Kaibab National Forest, Coconino County, Arizona, US
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Bluffton College, Bluffton, Allen County, Ohio, US
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Vanderbilt University, Nashville, Davidson County, Tennessee, US
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I-24 median, Davidson County, Tennessee, US
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Grand Canyon National Park, Coconino County, Arizona, US
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Keri Drive, Pleasant View, Cheatham County, Tennessee, US
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Radnor Lake State Natural Area, Nashville, Davidson County, Tennessee, US
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Austin Peay State University, Clarksville, Montgomery County, Tennessee, US
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Mount View Cedar Glade State Natural Area, Nashville, Davidson County, Tennessee, US
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Vanderbilt University, Nashville, Davidson County, Tennessee, US
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I-24 north of Briley Parkway, Davidson County, Tennessee, US
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Vanderbilt University, Nashville, Davidson County, Tennessee, US
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