Diatoms of North AmericaDiatoms of North America
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Guide to Melosira varians

C.Agardh 1827

M Varians Guide
Credit: Marina Potapova
  1. Cells cylindrical, forming filaments of linked cells
  2. Valve face and margin with little to no ornamentation

Cells cylindrical, often forming long chains. Valve face slightly convex, covered with very small spines. Unlike many Aulacoseira species, valves lack areolae.