Cymbella Vulgata Guide
  1. Apices rounded
  2. Stigma present
  3. Valve length < 60 µm
  4. Striae 8-12 in 10 µm

Valves are up to 60 µm in length. Apices are rounded; not protracted. A single isolated stigma is located at the end of the median ventral stria. Striae number 9-11 in 10 µm at the valve center.