Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Navicula tripunctata

(O.F.Müll.) Bory 1822

N Tripunctata Guide
Credit: Marina Potapova
  1. Valves linear-lanceolate with wedge-shaped ends
  2. Central area symmetric, transversely rectangular or elliptical
  3. Striae nearly parallel

Valves linear-lanceolate with wedge-shaped ends. Central area variable in shape, symmetric, transversely rectangular or elliptic. Striae parallel, or nearly parallel throughout the valve except near the central area and poles.