Navicula Wildii Guide
Credit: Loren Bahls
  1. Valves narrowly lanceolate
  2. Apices gradually attenuated and obtusely rounded
  3. Striae 12-14 in 10 μm
  4. Areolae 30-36 in 10 μm

Navicula wildii has narrow lanceolate valves with gradually attenuated and obtusely rounded apices. Striae number 12-14 in 10 μm. Areolae are not visible in LM, but number 30-36 in 10 μm.