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Diatoms of North America
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Araphid
Eunotioid
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Screen_Shot_2015-02-11_at_12.02.09_PM.png
Species
Nitzschia angustata
Caption
Distribution of
Nitzschia angustata
in continental U.S. rivers in the National Water Quality Assessment program. Retrieved 11 February 2015.
Credit
USGS BioData