Diatoms of North AmericaDiatoms of North America
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Compare Navicula metareichardtiana

Lange-Bert. and Kusber 2019

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Navicula reichardtiana has more narrow valves than N. associata. Navicula cryptocephala has larger valves with more protracted apices and a larger, circular central area. Navicula caterva has denser striae and, on average, smaller valves.

LM scalebar = 10 µm
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

Navicula cryptocephala

Kütz. 1844

Navicula cryptocephala LM4 Navicula cryptocephala LM6 Navicula cryptocephala LM2 Navicula cryptocephala LM7 Navicula cryptocephala LM5 Navicula cryptocephala LM1 Navicula cryptocephala LM3
Length Range
21-34 µm
Width Range
5.2-6.5 µm
Striae in 10 µm
15-17

Navicula caterva

M.H.Hohn and Hellerman 1963

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 antonii

Lange-Bert. 2000

Navicula antonii LM6 Navicula antonii LM7 Navicula antonii LM5 Navicula antonii LM3 Navicula antonii LM4 Navicula antonii LM2 Navicula antonii LM1
Length Range
10-23.8 µm
Width Range
4.2-7.3 µm
Striae in 10 µm
16-22

Also compare to

Navicula associata

Lange-Bert. and G.Hofm.