Diatoms of North AmericaDiatoms of North America
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Compare Geissleria ignota

(Krasske) Lange-Bert. and Metzeltin 1996

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Geissleria ignota is similar in size to G. paludosa, but G. ignota has triundulate valves.

LM scalebar = 10 µm
Geissleria ignota LM6 Geissleria ignota LM5 Geissleria ignota LM2 Geissleria ignota LM3 Geissleria ignota LM4 Geissleria ignota LM1
Length Range
16-18 µm
Width Range
3.0-3.2 µm
Striae in 10 µm
15-16

Also compare to

Geissleria paludosa

(Hust.) Lange-Bert. and Metzeltin