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Micractinium pusillum Scale bar indicates 50 µm. The specimen was gathered in a pond in the forest of Altenholz-Stift near Kiel. Sampling date 6/2017. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioskop with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany) Latitude: 54.384913 Longitude: 10.125691 Der Messbalken markiert eine Länge von 50 µm. Die Probe wurde in einem Waldteich bei Altenholz-Stift (nahe Kiel) gesammelt. Datum der Aufsammlung: 6/2017. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.
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Micractinium pusillum Scale bar indicates 25 µm. The specimen was gathered in a pond in the forest of Altenholz-Stift near Kiel. Sampling date 6/2017. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioskop with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany) Latitude: 54.384913 Longitude: 10.125691 Der Messbalken markiert eine Länge von 25 µm. Die Probe wurde in einem Waldteich bei Altenholz-Stift (nahe Kiel) gesammelt. Datum der Aufsammlung: 6/2017. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.
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Micractinium pusillum Scale bar indicates 10 µm. The specimen was gathered in a pond in the forest of Altenholz-Stift near Kiel. Sampling date 6/2017. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioskop with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany) Latitude: 54.384913 Longitude: 10.125691 Der Messbalken markiert eine Länge von 10 µm. Die Probe wurde in einem Waldteich bei Altenholz-Stift (nahe Kiel) gesammelt. Datum der Aufsammlung: 6/2017. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.
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Micractinium pusillum Scale bar indicates 25 µm. The specimen was gathered in a pond in the forest of Altenholz-Stift near Kiel. Sampling date 6/2017. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioskop with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany) Latitude: 54.384913 Longitude: 10.125691 Der Messbalken markiert eine Länge von 25 µm. Die Probe wurde in einem Waldteich bei Altenholz-Stift (nahe Kiel) gesammelt. Datum der Aufsammlung: 6/2017. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. Creative Commons License V 3.0 (CC BY-NC-SA). For permission to use of (high-resolution) images please contact postmaster@protisten.de.
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Micractinium pusillum (Fresenius,1858). Usually found in four-celled colonies (only three of the four cells of this colony are seen here). Each cell has two to seven long, delicate setae. Each cell has one cup-shaped plastid with a pyrenoid. 18S ribosomal RNA gene studies place this genus in the Trebouxiophyceae. One of the distinguishing features of trebouxiophytes is metacentric mitosis in which centrioles are located near the metaphase plate of the chromosomes rather than at the spindle poles. Other characteristics include formation of microtubules parallel to the dividing cell wall during cytokinesis (phycoplast). The similar genus, Errerella, has only one spine per cell.Collected from a freshwater pond near Boise, Idaho. July 2005. Phase contrast.
