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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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Smith_1853_Ulnaria_delicatissima_type.png
Species
Ulnaria delicatissima
Caption
Smith 1853, Pl 12, Fig 94, type of Synedra delicatissima
