Compare Nitzschia columbiana
Nitzschia columbiana is distinguished from N. exilis by the wider valves and coarse fibulae.
LM scalebar = 10 µm
Length Range
25-70 µm
25-70 µm
Width Range
3-5 µm
3-5 µm
Striae in 10 µm
Striae not visible to only faintly visible
Striae not visible to only faintly visible
Length Range
24-64 µm
24-64 µm
Width Range
2-3 µm
2-3 µm
Striae in 10 µm
Not visible in the light microscope
Not visible in the light microscope
