Potamogeton robbinsii Oakes
Family: Potamogetonaceae
fern pondweed,  more...
[Potamogeton robbinsii f. cultellatus Oakes]
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Etymology: Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
Plants: perennial, submersed aquatic; stems robust; spreading rhizomes
Leaves: alternate, entire, with prominent midvein; strongly 2-ranked, feather-like, firm, linear, wrapping stem; closely spaced, finely serrated edges
Flowers: green-brown, small, stalk from upper leaf axils; inflorescence spike of whorls
Fruits: dry seed with a sharp dorsal ridge and 2 rounded lateral ridges, fruit rarely develops
Habitat: deeper water
Conservation Status: Native
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Robert W. Freckmann  
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Paul Skawinski  
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Matthew L. Wagner  
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Paul Skawinski  
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Potamogeton robbinsii image
Paul Skawinski  
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Potamogeton robbinsii image
Robert W. Freckmann  
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