| Penium margaritaceum (1) |
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| Penium margaritaceum (1) focus plane on the granulated cell wall. |
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| Penium margaritaceum; focus plane on the lobed chloroplast. Also visible is the granulated cell wall. (2) |
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| location (1): Wahner Heide near Cologne, NRW; Germany; Sphagnum - pond |
| Habitat (1): detritus |
| Date (1): 15.06.2010 |
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Location (2): Nature reserve NSG Heiliges Meer, NRW, Germany, Kleinweiher Welps ("location 2") (2); |
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| Habitat (2): plankton with detritus (1); (click to enlarge >>>>) |
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| Date (2):14.11.2021 |
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