| Phacus smulkowskianus (1) |
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| Phacus smulkowskianus; Fokus auf die Paramylonkörner (1) |
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| Phacus smulkowskianus; another specimen from (2) |
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| Location: Wahner Heide near Cologne; pond with Utricularia-Potamogeton- plants (1); Hattingen Wodantal, Heierbergsbach, puddle (2) |
| Habitat: zwischen plants (1); detritus (2) |
| Date: 03.03.2012 (1); 16.12.2018 (2) |
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