| Cosmarium cf tetragonum var. ornatum (2); focus splane on the center of the cell. |
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| Cosmarium cf tetragonum var. ornatum (2); focus splane surface of the cell. |
| see also >>> Cosmarium tetragonum |
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| Location: Hattingen Oberstüter, staicase, moss |
| Habitat: moss on concrete |
| Date: 08.02.2016 |
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