Diatoms of North AmericaDiatoms of North America
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Compare Navicula hasta

Pant. 1892

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This taxon is distinct within Navicula.

LM scalebar = 10 µm
Navicula hasta LM3 Navicula hasta LM1 Navicula hasta LM2 Navicula hasta LM5 Navicula hasta LM4 Navicula hasta LM6
Length Range
77.6-86.9 µm
Width Range
14.7-15.4 µm
Striae in 10 µm
9-9.5 in the valve center, 11-12 at the ends

Navicula rhynchocephala

Ehrenb. 1844

Navicula rhynchocephala LM2 Navicula rhynchocephala LM3 Navicula rhynchocephala LM4 Navicula rhynchocephala LM1 Navicula rhynchocephala LM5
Length Range
48-53 µm
Width Range
9-10 µm
Striae in 10 µm
8-9 at the center, 11-12 towards the apices

Navicula flatheadensis

Bahls 2011

Navicula flatheadensis LM6 Navicula flatheadensis LM5 Navicula flatheadensis LM4 Navicula flatheadensis LM3 Navicula flatheadensis LM2 Navicula flatheadensis LM1
Length Range
45-75 µm
Width Range
10.3-13.5 µm
Striae in 10 µm
10-12