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Compare Navicula subconcentrica

Lange-Bert. 2001

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Navicula flatheadensis has larger valves with wider, weakly protracted apices. Proximal raphe ends of N. flatheadensis are more distant and deflected to the primary side of the valve. The central nodule of N. flatheadensis is typically asymmetric and convex on one side. Navicula pseudolanceolata has less attenuated apices and more distantly spaced proximal raphe ends than N. subconcentrica.

LM scalebar = 10 µm
Navicula subconcentrica LM7 Navicula subconcentrica LM6 Navicula subconcentrica LM5 Navicula subconcentrica LM4 Navicula subconcentrica LM3 Navicula subconcentrica LM2 Navicula subconcentrica LM1
Length Range
36-58 µm
Width Range
8.5-10.6 µm
Striae in 10 µm
10-12

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

Navicula pseudolanceolata

Lange-Bert. 1980

Navicula pseudolanceolata LM7 Navicula pseudolanceolata LM6 Navicula pseudolanceolata LM5 Navicula pseudolanceolata LM4 Navicula pseudolanceolata LM3 Navicula pseudolanceolata LM2 Navicula pseudolanceolata LM1
Length Range
41-59 µm
Width Range
9.0-11.1 µm
Striae in 10 µm
9-11

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