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Guide to Gomphonema apuncto

J.H.Wallace 1960

Gomphonema Apuncto Guide
Credit: Pat Kociolek
  1. Valves narrow, linear
  2. Axial area wide
  3. Stigmoid absent
  4. Valves 3.0-4.1 µm wide

Valves are narrow and linear, 3.0 - 4.1 µm in width. The axial area is relatively wide. A stigmoid is absent.