Pinnularia Suchlandtii Guide
Credit: Loren Bahls
  1. Valves linear to linear-lanceolate
  2. Apices narrow, round
  3. Fascia rhombic

Pinnularia suchlandtii has linear to linear-lanceolate valves with rounded apices. The central area is a rhombus, open on both sides to form a fascia. Striae number 10-11 in 10 µm.