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Guide to Nitzschia columbiana

Sovereign 1958

Nitzschia Columbiana Guide
Credit: Pat Kociolek
  1. Apices cuneate, subrostrate
  2. Breadth 3-5 µm
  3. Fibulae number 6-8 in 10 µm
  4. Striae faintly visible to unresolvable

Valves are linear, with cuneate to subrostrate apices. Keel excentric, with fibulae numbering 6-8 in 10 µm. Striae faintly visible to unresolvable.