| Actinotaenium turgidum; optical median section showing the shape of the cell. (1) |
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| Actinotaenium turgidum; same specimen, focal plane on the chloroplast(1) |
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| Actinotaenium turgidum; another specimen, focal plane on the cell wall with irregular pores. (1) |
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| Actinotaenium turgidum; cell wall of a dead specimen (with the euglenoid flagellate Peranema trichophorum in the center). |
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| Actinotaenium turgidum; detail of the surface of the cell wall of the above specimen. (2) |
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| Location: NSG Schwalmtal, sphagnum pond with Utricularia (1); Sima Moor, Tirol, Austria (2) |
| Habitat: Periphyton (1); (2) |
| Date: 13.09.2011 (1); 12.08.2012 (2) |
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