Washington State Department of Ecology > Water & shorelines > Freshwater studies > Lake water quality > Aquatic Plant Guide home > Submersed Plants > Zannichellia palustris illustration

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Zannichellia palustris, Horned Pondweed


Illustration from Aquatic Plant Identification and Herbicide Use Guide, Technical Report A-88-9. U.S. Army Corps of Engineers Waterways Experiment Station. Used with permission

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