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Guide to Gomphonema distans

(A.Cleve) Lange-Bert. and E.Reichardt in Lange-Bert. and Genkal 1999

Gomphonema Distans Guide
Credit: Loren Bahls
  1. Valves triundulate
  2. Headpole subrostrate
  3. Valves < 8 µm wide

Valves are linear and triundulate, with a subrostrate headpole. Valves are less than 8 µm wide.