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Compare Navicula streckerae

Lange-Bert. and Witkowski in Witkowski et al. 2000

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Navicula streckerae is distinguished from N. slesvicensis by its more lanceolate (less linear) valves, more strongly radiate striae, coarser areolae, and narrower ends; from N. vaneei by its protracted ends; and from N. rhynchocephala by its coarser areolae and preference for brackish (not fresh) waters.

LM scalebar = 10 µm
Navicula streckerae LM7 Navicula streckerae LM6 Navicula streckerae LM5 Navicula streckerae LM4 Navicula streckerae LM3 Navicula streckerae LM2 Navicula streckerae LM1
Length Range
32-60 µm
Width Range
8.1-10.4 µm
Striae in 10 µm
10-11

Navicula vaneei

Lange-Bert. in Witkowski, Lange-Bert. and Stachura 1998

Navicula vaneei LM7 Navicula vaneei LM6 Navicula vaneei LM5 Navicula vaneei LM4 Navicula vaneei LM3 Navicula vaneei LM2 Navicula vaneei LM1
Length Range
40-60 µm
Width Range
11.1-12.1 µm
Striae in 10 µm
8-9

Navicula slesvicensis

Grunow in Van Heurck 1880

Navicula slesvicensis LM7 Navicula slesvicensis LM6 Navicula slesvicensis LM5 Navicula slesvicensis LM4 Navicula slesvicensis LM3 Navicula slesvicensis LM2 Navicula slesvicensis LM1
Length Range
36-69 µm
Width Range
10-12.5 µm
Striae in 10 µm
8-9

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

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