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Guide to Pinnularia pulchella var. canadensis

Krammer 2000

Pinnularia pulchella canadensis guide
  1. Valves large
  2. Valve center slightly gibbous
  3. Longitudinal line close to axial area

Valves are linear, with a slightly gibbous center and broadly rounded apices. The central area is elliptic and slightly wider on one side. A longitudinal line is close to the axial area.

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