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Guide to Gomphonema pusillum

(Grunow) Kulikovskiy and Kociolek in Kulikovskiy et al. 2015

Gomphonema Pusillum Guide
Credit: Pat Kociolek
  1. Valves linear-acute
  2. Valves biconstricted
  3. Broadest portion of the valve near the headpole

Valves linear-acute, biconstricted, with the broadest portion of the valve near the headpole. The center of the valve is slightly tumid. Punctate striae are radiate about the middle portion of the valve, becoming parallel to radiate towards the headpole, and parallel to strongly radiate at the footpole.