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Photographer: Robert W. Freckmann
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Family Potamogetonaceae
Potamogeton bicupulatus Fernald
snail-seed pondweed
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
bicupulatus: bi for "two;" cupula for "small tub or cask; small crooked handle"' atus for "like"
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| Status: | Special Concern |
| Plant: | perennial, submersed aquatic; stems freely branching; slender rhizomes |
| Flower: | green-brown, small; inflorescence spike |
| Fruit: | dry seed with a flat, round, tiny beak, fruit spikes globular from submersed leaf axils; cylindrical from floating leaves |
| Leaf: | alternate, entire, linear, 1 prominent midvein, 2 faint side veins; elliptical floating leaves long; submersed - fine, 0.2mm wide |
| Habitat: | water < 7'; in soft sediment soil |
| Notes: | stipules fused to leaf .3-.5 of their length |
| (Glossary) |
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