Compare Pinnularia lunata
Pinnularia divergentissima has striae that form an abrupt transition between being radiate in the central valve and convergent near the apices.
Pinnularia gibbiformis has continuous striae in the central area..
Pinnularia microstauron has narrower axial area.
LM scalebar = 10 µm
Length Range
43-60 µm
43-60 µm
Width Range
6.9-8.7 µm
6.9-8.7 µm
Striae in 10 µm
11-12
11-12
Length Range
28-46 µm
28-46 µm
Width Range
5.0-7.0 µm
5.0-7.0 µm
Striae in 10 µm
12-14
12-14
Length Range
40.7-48 µm
40.7-48 µm
Width Range
5.8-6.8 µm
5.8-6.8 µm
Striae in 10 µm
12
12
Length Range
27.7-81.3 µm
27.7-81.3 µm
Width Range
7.2-12.2 µm
7.2-12.2 µm
Striae in 10 µm
9-11
9-11
