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Photographer: Andrew Hipp
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Family Potamogetonaceae
Potamogeton natans L.
common pondweed, floating pondweed, floating-leaf pondweed
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
natans: floating
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| Status: | Native |
| Plant: | perennial, submersed aquatic; stems to 7' long; red spotted rhizomes |
| Flower: | green-brown, small; inflorescence dense cylindrical spike above water |
| Fruit: | oval-to-ovate, plump, dry seed with a short, wrinkled beak |
| Leaf: | alternate, entire, with prominent midvein; floating - heart-shaped base; submersed - stalk-like with no blade, held 90deg. off stem, lay flat on water |
| Habitat: | water < 6' deep |
| Notes: | fibrous stipules free of leaf axils |
| (Glossary) |
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