Diatoms of North AmericaDiatoms of North America
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Guide to Pinnularia lokana

Krammer 2000

Pinnularia loksana guide
  1. Valves linear
  2. Apices broadly rounded
  3. Axial area broad
  4. Fascia narrow, asymmetric or symmetric

Valves are linear, with broadly rounded apices. The axial area is very broad. The central area is elongated and elliptic, with a variable transverse fascia which may be asymmetric or symmetric.