Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Brachysira ocalanensis

Shayler and Siver 2004

Brachysira Ocalensis Guide
Credit: Loren Bahls
  1. Valves lanceolate to linear-lanceolate
  2. Apices narrowly rounded, subrostrate, or subcapitate
  3. Central area a narrow ellipse
  4. Striae >31 in 10 µm

Brachysira ocalanensis has lanceolate to linear-lanceolate and occasionally heteropolar valves. Apices are narrowly rounded, subrostrate, or weakly subcapitate. The central area is a narrow ellipse with the long dimension oriented apically. Striae number more than 31 in 10 µm.