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Perennial herbs, typically submersed, with four-lobed schizocarp fruit that splits into one-seeded nutlets. Submersed leaves are pinnately dissected. A native perennial that is widespread throughout the eastern U.S. and Canada.
Most rooted and free-floating submersed weeds in ponds are readily controlled with triploid grass carp; control may be poorer on the watermilfoils, particularly Eurasian waterfoil.
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Piedmont, sandhills, and coastal plain.
Green to reddish in color and whorled. Capillary divisions 12 to 28 on submersed leaves. Emergent leaves have fine serrations and are more pronounced than similar milfoils.
Reddish, robust, and thickened.
Whether you're a professional botanist or a casual nature enthusiast, the NC State University (NCSU) Aquatic Weeds app has detailed information on a wide variety of aquatic weeds to assist in identification.
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