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Guide to Diadesmis confervacea

Kütz. 1844

Diadesmis Confervacea Guide
Credit: Pat Kociolek
  1. Valves elliptic
  2. Central nodule rounded
  3. Striae punctate

Valves are elliptic, with apices protracted in larger specimens. A rounded central nodule is visible when focusing on the interior of the valve. Striae are radiate, punctate and of variable length.