Diatoms of North AmericaDiatoms of North America
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Compare Navicula duerrenbergiana

Hust. in A.Schmidt et al. 1934

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Navicula angusta has broadly rounded apices, more steeply radiate striae, a well-defined central area, and a preference for waters with low electrolyte content.

LM scalebar = 10 µm
Navicula duerrenbergiana LM7 Navicula duerrenbergiana LM6 Navicula duerrenbergiana LM5 Navicula duerrenbergiana LM4 Navicula duerrenbergiana LM3 Navicula duerrenbergiana LM2 Navicula duerrenbergiana LM1
Length Range
40-52 µm
Width Range
3.8-5.4 µm
Striae in 10 µm
15-17

Navicula angusta

Grunow 1860

Navicula angusta LM3 Navicula angusta LM5 Navicula angusta LM4 Navicula angusta LM6 Navicula angusta LM2 Navicula angusta LM1 Navicula angusta LM7
Length Range
35-70 µm
Width Range
6-7 µm
Striae in 10 µm
11-12