P h o t o b y U n i v e r s i t y o f T e n n e s s e e H e r b a r i u m ( T E N N )
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Habitat:
Muddy or sandy ponds and shores.
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Species Description:
Aquatic annual herb.
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Phenology:
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Additional Information at NatureServe
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Diagnostic Characteristics:
Like its name indicates, Najas gracillima is a submersed aquatic species that looks like a mass of brown thread. This is a species that is difficult to identify in the field. Characters that distinguish this species are leaf teeth that are generally inconspicuous and unicellular and there are 13-17 per leaf side. Seeds are slightly recurved. See Jones (2005) for additional characters.
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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:
Najas gracillima occurs from Nova Scotia south to North Carolina, and west to Minnesota, Illinois, and Missouri. It also occurs in Alabama and Mississippi.
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Known Kentucky Occurrences:
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