Nitzschia Liebethruthii Guide
Credit: Pat Kociolek
  1. Apices narrowly rounded
  2. Central nodule present
  3. Fibulae distinct
  4. Striae punctate

Apices are attenuated and narrowly rounded. A central gap in the fibulae, or central nodule, is present. The fibulae are distinct, with a density of 12-14 in 10 ┬Ám. The striae are distinctly punctate.