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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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Pinnularia_nodosa_percapitata_origimag2002.jpg
Species
Pinnularia nodosa var. percapitata
Caption
Plate 27. Figs. 9, 10. Pinnularia nodosa var. percapitata nov. var. (Krammer 2000)
