Navicula Vaneei Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Apices narrow, slightly protracted
  3. Striae short, widely spaced in central area
  4. Areolae coarse

Valves are medium-sized and lanceolate with narrow, slightly protracted ends. Striae are radiate, irregularly shortened and more widely spaced in the valve center. Areolae are coarse.