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Guide to Pinnularia pluvianiformis

Krammer 2000

Pinnularia pluvianiformis guide
  1. Valve margin triundulate
  2. Apices subcapitate
  3. Axial area narrow
  4. Central area rhombic

The valve margin is triunudulate with small, subcapitate apices. The axial area is narrow and gradually widens to a rhombic central area.

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