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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
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What are diatoms?
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ILL_5-31-12_013_Crat_amb_crather_L-U24_70.jpg
Species
Craticula ambigua
Caption
Craticula and heribaudii internal valves (Iowa Lakeside Lab Diatom Herbarium L-U24 70).
Credit
Stephen Main
