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Diatoms of the United States is now known as Diatoms of North America.
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Navicula subrostellata

Hust. 1955      Category: Symmetrical biraphid

Navicula subrhynchocephala


Navicula subwalkeri

SEM scalebar = 2 ┬Ám

Site ID: ANSP GSN00987

Site Name: Powder River, MT

Latitude: 46.43

Longitude: -105.309

Caption: External view of a valve apex

Contributor: - October 2011