Nitzschia Desertorum Guide
Credit: Pat Kociolek
  1. Valves elliptical-lanceolate
  2. Apices short, rostrate, and narrowly rounded
  3. Fibulae distinct
  4. Striae 25-26 in 10 µm

Valves elliptical-lanceolate with short, rostrate, narrowly rounded apices. Fibulae small, but distinct and number 14-16 in 10 µm.