Diatoms of North AmericaDiatoms of North America
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Compare Navicula notha

J.H.Wallace 1960

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Navicula cryptocephala differs from N. notha by wider valves and larger round central area. N. leptostriata has very close proximal raphe endings.

LM scalebar = 10 µm
Gs013091 7 Navicula notha LM3 Navicula notha LM1 Drbc0032 8 Drbc0032 17 Navicula notha LM2 Navicula notha LM4
Length Range
18.7-39.3 µm
Width Range
4.1-5.5 µm
Striae in 10 µm
14-17

Navicula cryptocephala

Kütz. 1844

Navicula cryptocephala LM4 Navicula cryptocephala LM6 Navicula cryptocephala LM2 Navicula cryptocephala LM7 Navicula cryptocephala LM5 Navicula cryptocephala LM1 Navicula cryptocephala LM3
Length Range
21-34 µm
Width Range
5.2-6.5 µm
Striae in 10 µm
15-17

Navicula leptostriata

E.G.Jørg. 1948

Navicula leptostriata LM6 Navicula leptostriata LM5 Navicula leptostriata LM4 Navicula leptostriata LM3 Navicula leptostriata LM2 Navicula leptostriata LM1
Length Range
33-39 µm
Width Range
4.9-5.7 µm
Striae in 10 µm
19-20