Diatoms of North AmericaDiatoms of North America
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Compare Nitzschia biacrula

M.H.Hohn and Hellerman 1963

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Nitzschia biacrula is most often observed in girdle view. In girdle view it is slightly sigmoid as compared to N. dissipata, which is more linear.

LM scalebar = 10 µm
Nitzschia biacrula LM2 Nitzschia biacrula LM5 Nitzschia biacrula LM6 Nitzschia biacrula LM3 Nitzschia biacrula LM4 Nitzschia biacrula LM1
Length Range
36-64.5 µm
Width Range
5.2-6.5 µm

Nitzschia dissipata

(Kütz.) Rabenh. 1860

Nitzschia dissipata LM6 Nitzschia dissipata LM2 Nitzschia dissipata LM4 Nitzschia dissipata LM3 Nitzschia dissipata LM5 Nitzschia dissipata LM1
Length Range
11.9-72 µm
Width Range
2.9-8 µm
Striae in 10 µm
32-50