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Diatoms of the United States is now known as Diatoms of North America.
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Glossary terms starting with "t"

Transapical axis - transverse axis

The short axis of the valve face of a pennate diatom, passing across the middle of the face, perpendicular to the apical axis.



Having three rays or radiating branches.



Algae carried into the plankton by chance factors such as turbulence; planktonic algae that become entangled in mats of vegetation near the shore.