Tiny Organisms in Aquatic Habitats

Desmids –
Archaeplastida (Part)

Observations on Xanthidium armatum

Position in the EOL taxonomic tree. Please click on the tree view below to access EOL (Encyclopedia of Life).

Xanthidium armatum Brébisson ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Heterocarpella armata Brébisson 1839
                               Cosmarium armatum Brébisson 1840
                               Euastrum armatum (L.A.Brébisson) Kützing 1845
                               Euastrum bigorianum Perty 1849
                               Zygoxanthium bigorrianum (Perty) Perty 1852
                               Xanthidium bigorrianum (Perty) Rabenhorst 1868
                               Schizacanthum armatum (Brébisson ex Ralfs) Wille 1890

Xanthidium armatum
Xanthidium armatum

Sampling date 10/2019. Scale bars indicate 100 µm (1), 50 µm (2), 25 µm (3, 4).

Four images, two of them in a slide changer.

First:Synoptic representation of the cell surface.
Second:Synoptic representation of the cell surface showing numerous cell wall pores.
Third:Synoptic representation of the cell surface.
Fourth:Optical cross-section showing the stellate chloroplasts with pyrenoids and storage globules.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: Bog Waasenmoos Pass Thurn near Mittersil (Tyrol, Austria)
Latitude: 47.30234117     Longitude: 12.41751194

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 06/2023. Scale bars indicate 50 µm.

Four images.

First:Synoptic representation of the cell surface.
Second:Optical cross-section showing the stellate chloroplasts.
Third and fourth:Optical cross-section showing the chloroplasts with pyrenoids.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: Wetland Lauchseemoor, Fieberbrunn (Tyrol, Austria) 
Latitude: 47.46954439     Longitude: 12.53826499

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

© Wolfgang Bettighofer,
images under 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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