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Photographer: Robert W. Freckmann
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Family Zannichelliaceae
Zannichellia palustris L.
horned-pondweed
Zannichellia: for G.G. Zannichelli, Venetian botanist
palustris: "of marshes"
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| Status: | Native |
| Plant: | submerged annual/perennial, monoecious aquatic, sometimes partially buried; few, very thin rhizomes |
| Flower: | paired, one of each sex |
| Fruit: | flat, beaked, 1 edge wavy dry seeds in a cluster in the leaf axils |
| Leaf: | thin, long, opposite or whorled at ends |
| Habitat: | wet; shallows, to water 7' deep; in silty, muddy soil |
| (Glossary) |
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