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Guide to Nitzschia acicularis

(Kütz.) W.Sm. 1853

Nitzschia Acicularis Guide2
  1. Valves long, narrow
  2. Apices straight
  3. Fibulae evenly spaced at valve center

Valves are very lightly silicified. Apices are long, narrow, and straight. At the center of the valve, the margins are nearly parallel. The striae are fine and number more than 40 in 10 µm.