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Guide to Pinnularia gigas

Ehrenb. 1843

Pinnularia Gigas Guide
Credit: Loren Bahls
  1. Valves large
  2. Raphe complex
  3. Apices rounded

Pinnularia gigas has very large valves that are more than 38 µm wide. The apices are rounded. The raphe is lateral and complex. Striae number 4-5 in 10 µm.

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