Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Geissleria cascadensis

(Sovereign) Stancheva and S.A.Spauld. 2019

Compare

Geissleria acceptata is smaller and has fine areolae that are not visible under LM.

Other species of Geissleria have areolae that are less coarse.

LM scalebar = 10 µm
Navicula cascadensis LM1 Navicula cascadensis LM2 Navicula cascadensis LM3 Navicula cascadensis LM4 Navicula cascadensis LM5 Navicula cascadensis LM6 Navicula cascadensis LM7
Length Range
10-23 µm
Width Range
6.0-9.6 µm
Striae in 10 µm
10-12 at the valve center

Geissleria acceptata

(Hust.) Lange-Bert. and Metzeltin 1996

Geissleria acceptata LM1 Geissleria acceptata LM3 Geissleria acceptata LM6 Geissleria acceptata LM2 Geissleria acceptata LM5 Geissleria acceptata LM4
Length Range
6–14 µm
Width Range
3.4-5.2 µm
Striae in 10 µm
12–18

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.

Donate today