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Habitat:
Calcareous waters of lower gradient streams, lakes, and ponds.
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Species Description:
Aquatic perennial herb.
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Phenology:
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Additional Information at NatureServe
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Diagnostic Characteristics:
Potamogeton illinoensis is an aquatic species with the submersed leaves 50 mm wide which is large for this group of plants. The leaves are flat, with 7-19 veins and have petioles shorter than the blades and the floating leaves are ovate to oblong with abruptly pointed tip.
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Management:
Avoid changes in moisture/hydrologic conditions at the site. Changes could result from overstory removal, stream/wetland alteration or vegetation removal that would result in increased erosion.
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Global Range:
Ranges from Quebec to British Columbia south to southern California, Utah, New Mexico, and Texas.
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Known Kentucky Occurrences:
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