Cymbella Parva Guide
Credit: Loren Bahls
  1. Apices not protracted
  2. Stigma present
  3. Maximum length <50 µm
  4. Striae 9-12 in 10 µm

Valves are less than 50 µm long with narrowly rounded, unprotracted apices. A single stigma is located at the end of the median ventral stria. Striae number 9-12 in 10 µm at the valve center.

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