Compare

Navicula trivialis valves and central area are both smaller than N. whitefishensis, while N. oligotraphenta is smaller than N. trivialis. The striae of Navicula hasta are strongly radiate, but are more irregular near the center of the valve than in N. whitefishensis. The apices of N. hasta are not as narrow as N. whitefishensis. The central area of N. whitefishensis is large and distinct.

LM scalebar = 10 µm
Navicula whitefishensis LM5 Navicula whitefishensis LM4 Navicula whitefishensis LM3 Navicula whitefishensis LM1 Navicula whitefishensis LM2
Length Range
46-60 µm
Width Range
11.3-14.2 µm
Striae in 10 µm
12-14

Navicula trivialis

Lange-Bert. 1980

Navicula trivialis LM6 Navicula trivialis LM5 Navicula trivialis LM4 Navicula trivialis LM2 Navicula trivialis LM1
Length Range
28-44 µm
Width Range
8-10 µm
Striae in 10 µm
12

Also compare to

Navicula hasta

Pant. 1892

Navicula oligotraphenta

Lange-Bert. and G.Hofm. 1993