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Compare Nitzschia alpina

Hust. 1943

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Nitzschia amphibia and N. hantzschiana both have a distinct central nodule, which is lacking in N. alpina. Striae and fibulae of N. amphibia are more coarse and widely spaced.

LM scalebar = 10 µm
Nitzschia alpina LM7 Nitzschia alpina LM6 Nitzschia alpina LM5 Nitzschia alpina LM4 Nitzschia alpina LM3 Nitzschia alpina LM2 Nitzschia alpina LM1
Length Range
13-21 µm
Width Range
3.3-4.2 µm
Striae in 10 µm
23-25

Nitzschia amphibia

Grunow 1862

Nitzschia amphibia LM3 Nitzschia amphibia LM5 Nitzschia amphibia LM2 Nitzschia amphibia LM1 Nitzschia amphibia LM4
Length Range
14-37 µm
Width Range
4.0-4.5 µm
Striae in 10 µm
14-18

Also compare to

Nitzschia hantzschiana

Rabenh. 1860

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