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Navicula reichardtiana has relatively broader valves with coarser striae than N. caterva. The stria density is greater in N. caterva (18 in 10 µm) than in N. reichardtiana (14-16 in 10 µm).

LM scalebar = 10 µm
Navicula caterva LM2 Navicula caterva LM1 Navicula caterva LM5 Navicula caterva LM8 Navicula caterva LM1 Navicula caterva LM3 Navicula caterva LM7
Length Range
14.8-20.0 µm
Width Range
4.4-5.0 µm
Striae in 10 µm
18-20

Navicula metareichardtiana

Lange-Bert. and Kusber 2019

Navicula reichardtiana LM4 Navicula reichardtiana LM1 Navicula reichardtiana LM2 Navicula reichardtiana LM5 Navicula reichardtiana LM3 Navicula reichardtiana LM7 Navicula reichardtiana LM6
Length Range
12-22 µm
Width Range
4.5-5.3 µm
Striae in 10 µm
14-16