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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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image0053.jpg
Species
Meridion circulare var. constrictum
Caption
Live colony from Northern prairie stream at Iowa Lakeside Lab, Dickinson County, Iowa
Credit
Natalie Hoidal
