Diatoms of North AmericaDiatoms of North America
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Compare Navicula geronimensis

Potapova in Potapova and Charles 2004

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Navicula geronimensis is similar to N. tripunctata in valve size and shape, but can be distinguished by its asymmetric central area and deflected proximal raphe ends. Navicula eichhorniaephila is similar in features of the central area and raphe ends, but is smaller in size.

LM scalebar = 10 µm
Gs023353 Nageron4 Gs023353 Nageron1 Gs023353 Nageron2 Gs023353 Nageron3
Length Range
46-50 µm
Width Range
8-9 µm
Striae in 10 µm
9-10

Navicula tripunctata

(O.F.Müll.) Bory 1822

Navicula tripunctata LM6 Navicula tripunctata LM4 Navicula tripunctata LM8 Navicula tripunctata LM10 Navicula tripunctata LM2 Navicula tripunctata LM12 Navicula tripunctata LM14
Length Range
32-60 µm
Width Range
6–10 µm
Striae in 10 µm
9–12