Diatoms of North AmericaDiatoms of North America
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Guide to Nitzschia palea var. debilis

(Kütz.) Grunow in Cleve and Grunow 1880

Nitzschia Palea Var Debilis Guide
  1. Valves lanceolate, with more or less parallel sides
  2. Apices rounded
  3. Fibulae approx. 12-15 in 10 µm

Valves are lanceolate, with more or less parallel sides and a gradual tapering to the apices. Apices are rounded. Fibulae number about 12-15 in 10 µm. Striae are not visible with LM.