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Guide to Gomphonema superiorense

Kociolek and Stoermer 1991

Gomphonema Superiorense Guide
Credit: David Burge
  1. Apices rostrate
  2. Valves narrow-lanceolate
  3. Axial area narrow
  4. Stria reduced at central area
  5. Stigmoid present

Valves small, narrow-lanceolate with protracted rostrate apices. Axial area is small. The central area is bordered by a single reduced stria on each side, and a single stigmoid is present.

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