Compare Pinnularia wisconsinensis
Pinnularia brebissonii is smaller and has more broadly rounded ends.
Pinnularia premicrostauron has less strongly radiate central striae.
Pinnularia brebissonii var. bicuneata has smaller cells and more obtuse ends.
LM scalebar = 10 µm
Length Range
55.4-73.7 µm
55.4-73.7 µm
Width Range
10.9-12.9 µm
10.9-12.9 µm
Striae in 10 µm
10-12
10-12
Length Range
19.7-57.2 µm
19.7-57.2 µm
Width Range
7.3-10.9 µm
7.3-10.9 µm
Striae in 10 µm
10-13
10-13
