| Spirotaenia endospira, a very small Spirotaenia species; specimen from (2) |
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| Spirotaenia endospira, a very small Spirotaenia species; focus plane on the periphery of the parietal twisted chloroplast |
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| Spirotaenia endospira, same specimen, optical transect of the center of the cell. See also >>> Spirotaenia condensata |
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| Location: nature reserve Bourtange (1); NSG Schwalm /Nette; pond with Sphagnum and Utricularia. (2) |
| Habitat: sphagnum (1); Periphyton (2) |
| Date: 14.12.2012 (1); 07.01.2020 (2) |
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