Diatoms of North AmericaDiatoms of North America
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Guide to Navicula trivialis

Lange-Bert. 1980

Navicula Trivialis Guide Copy
  1. Valve lanceolate
  2. Central area oval, slightly asymmetric
  3. Ends slightly rostrate, rounded

Valves are lanceolate shape, with subrostrate ends. The central area is ovate and the striae are radiate nearly to the poles.