Compare Nitzschia fonticola
Nitzschia oregona is more narrow.
Nitzschia tropica is more linear, has a straight raphe, and has not been verified from North America.
LM scalebar = 10 µm
Length Range
10-55 µm
10-55 µm
Width Range
2.5-4.5 µm
2.5-4.5 µm
Striae in 10 µm
24-27
24-27
Length Range
15-42 µm
15-42 µm
Width Range
3 µm
3 µm
Striae in 10 µm
23-25
23-25
