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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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Glossary
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What are diatoms?
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Sellaphora_alastos_origimag1001.jpg
Species
Sellaphora alastos
Caption
Plate II, fig. 36. Navicula americana var. alastos var. nov. (Hohn & Hellerman 1963)
