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Zannichellia palustris (Horned Pondweed) is a species of perennial herb in the family Potamogetonaceae. It has a self-supporting growth form. It is associated with freshwater habitat. Horned Pondweed is native to Canada, Alaska, the contiguous United States, North America, eastern north america, Rio Grande do Sul, Paraná, and Mata Atlântica. It has simple, broad leaves. It is a photoautotroph. Individuals can grow to 0.38 m. Horned Pondweed has unisexual flowers.

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EOL has data for 29 attributes, including:

Known occurrences, collected specimens and observations of Horned Pondweed. View this species on GBIF