| Closterium lineatum |
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| Closterium lineatum; stitched photo (without the middle part of the cell) showing the two apices with a thickened apical porus. |
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| Closterium lineatum; center of the cell with nucleus and pyrenoids. (2) |
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| Closterium lineatum; the same cell as above, focus plane on the finely straited cell wall with fine pores. (2) |
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| Closterium lineatum; stitched photo (without the middle part of the cell) showing the two apices with a thickened apical porus, and the vacuoles containing crystals composed out of BariumSulphate. |
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| Location: Wuppertal, NRW, compensation pond (1); Ohligser Heide, pond (2) |
| Habitat: periphyton/ detritus (1,2) |
| Date: 17.06. 2011 (1); 14.05.2016 (2) |
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