Navicula Caroliniae Guide
Credit: Loren Bahls
  1. Valves broadly lanceolate
  2. Apices rounded, rostrate
  3. Striae evenly spaced
  4. Areolae 24-28 in 10 μm

Valves are broadly lanceolate, 23-41 μm long with rounded, rostrate apices. Striae number 11-14 in 10 μm and are evenly spaced throughout the valve. Areolae number 24-28 in 10 μm.