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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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What are diatoms?
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Gomphonema_americobtusatum_origimag001.jpg
Species
Gomphonema americobtusatum
Caption
Table 34, figs 1-14. Type material of G. americobtusatum. Holotype is fig. 7.
