Compare Nitzschia dissipata
Valves of Nitzschia dissipata var. media and N. recta are larger and the raphe is always close to the margin. Nitzschia recta has a flat valve face.
LM scalebar = 10 µm
Length Range
11.9-72 µm
11.9-72 µm
Width Range
2.9-8 µm
2.9-8 µm
Striae in 10 µm
32-50
32-50
Length Range
48-85 µm
48-85 µm
Width Range
4.7-7 µm
4.7-7 µm
Striae in 10 µm
39-50
39-50
Also compare to
Nitzschia dissipata var. media
BioData Reference
Krammer and Lange-Bertalot 2/2 Pl 11 Fig 8-14