Compare

Navicula goersii valves are larger, with less radiate striae and lack a distinctive, asymmetric fascia.

LM scalebar = 10 µm
Navicula ingenua LM1 Navicula ingenua LM7 Navicula ingenua LM3 Navicula ingenua LM2 Navicula ingenua LM5 Navicula ingenua LM6 Navicula ingenua LM4
Length Range
7.2-9.2 µm
Width Range
3.0-4.0 µm
Striae in 10 µm
20-22

Navicula goersii

Bahls 1983

Navicula goersii LM6 Navicula goersii LM5 Navicula goersii LM4 Navicula goersii LM3 Navicula goersii LM2 Navicula goersii LM1
Length Range
8-14 µm
Width Range
3-4 µm
Striae in 10 µm
14-18