Diatoms of North AmericaDiatoms of North America
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Guide to Genkalia digitulus

(Hust.) Lange-Bert. and Kulikovskiy 2012

Genkalia Digitulus Guide
  1. Valve linear-elliptic
  2. Ends rounded
  3. Central area elliptic
  4. Striae parallel at the apices

Valves are linear-elliptic with rounded ends. The central area is elliptic and the striae are parallel at the apices.