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Guide to Pinnularia wisconsinensis

Camburn and Charles 2000

Pinnularia wisconsinensis guide
  1. Fascia transverse, acutely angled
  2. Central striae strongly radiate
  3. Apices acutely rounded

Valves are linear-lanceolate, with acutely rounded apices. The central area is distinct, with a transverse fascia. Striae are strongly radiate in the central area.