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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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What are diatoms?
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NU_upstream_of_Lemolo_1.jpg
Species
Navicula subwalkeri
|
Navicula volcanica
Caption
North Umpqua River, Oregon: type locality of
Navicula subwalkeri
.
Credit
Kurt Carpenter, USGS
