Diatoms of North AmericaDiatoms of North America
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Compare Nitzschia perminuta

(Grunow in Van Heurck) H.Perag. 1903

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Nitzschia hantzschiana is more narrow, less robust, and possesses a central nodule.
Nitzschia oregona is more slender and linear.

LM scalebar = 10 µm
Nitzschia perminuta LM1 Nitzschia perminuta LM5 Nitzschia perminuta LM4 Nitzschia perminuta LM3 Nitzschia perminuta LM2
Length Range
8-20 µm
Width Range
3-4 µm
Striae in 10 µm
22-27

Nitzschia oregona

Sovereign 1958

Nitzschia oregona LM1 Nitzschia oregona LM3 Nitzschia oregona LM2 Nitzschia oregona LM5 Nitzschia oregona LM4
Length Range
15-42 µm
Width Range
3 µm
Striae in 10 µm
23-25

Also compare to

Nitzschia hantzschiana

Rabenh.