| Pterocystis sp.; optical cross-section showing the spiny elements surrounding the cell. Specimen located at the base of the tube of the rotifer Floscularia janus; because of the thick water layer (resulting from the thick tube), the resolution of the image is somewhat low. In this optical cross-section the scales look similar to the scales of Raphidiocystis tubifera. (2) |
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| Location: Nature reserve NSG Heiliges Meer; Germany; Großes Heiliges Meer |
| Habitat: epibiontic on the submerged leafs of Ranunculus circinatus. |
| Date: coll: 28.04.2019, img: 30.04.2019. |
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