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Guide to Pinnularia lagerstedtii

(Cleve) A.Cleve 1934

Pinnularia lagerstedtii guide
  1. Valves linear-elliptic
  2. Apices broadly rounded
  3. Striae short, thick
  4. Proximal raphe ends deflected
  5. Axial area wide

Valves are linear-elliptic. Ends are broadly rounded. The striae are short and thick. Proximal raphe ends are deflected. The axial area is wide.