Diatoms of North AmericaDiatoms of North America
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Guide to Brachysira confusa

Van de Vijver, R.L.Albert, B.Kennedy and Kusber 2021

Brachysira confusa guide
  1. Apices rounded
  2. Areolae interrupted by hyaline areas
  3. Central area distinct, slightly rhombic
  4. 3-4 transapically elongated areola per stria

Apices are rounded to broadly rounded and not protracted. The areolae are arranged in an irregular pattern and are interrupted by hyaline areas, creating a “wave-like” appearance. The central area is rhombic to circular. In each stria, there are 3-4 transapically elongated areola.