| Cosmarium margaritatum rotundatum, focus plne on the center of the cell. (1) |
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| Cosmarium margaritatum rotundatum, focus plane on the cell surface (1) |
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| Cosmarium margaritatum rotundatum, another specimen from (2) focus plane on the center of the cell. |
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| Cosmarium margaritatum rotundatum, another specimen from (2) focus plane on the cell surface. |
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| Cosmarium margaritatum rotundatum, crop of the above image showing the pores in the cell wall. |
| see also >>> Cosmarium margaritatum |
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| Location: Wahner Heide near Cologne, Germany (1); Anhausen, Bavaria, fish pond (2) |
| Habitat: Sphagnum pond (1) Periphyton / detritus (2) |
| Date: 13.09. 2012 (1); 09.08.2012 (2) |
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