Compare Pinnularia obscura
Pinnularia intermedia has wider and more distant striae.
LM scalebar = 10 µm
Length Range
19-36 µm
19-36 µm
Width Range
5-6.8 µm
5-6.8 µm
Striae in 10 µm
10-16
10-16
Also compare to
Pinnularia intermedia
BioData Reference
Krammer 2000 Pl 13 Fig 36