Xanthidium
Desmidiaceae –
Archaeplastida

Observations on Xanthidium armatum

Protisten / Protisten.de – created by Wolfgang Bettighofer / Algae green-colored (2: Desmidiaceae): Xanthidium / 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

Sampling date 06/2025. Scale bars indicate 50 µm (1), 10 µm (2), 5 µm (3).

Three images.

First:	Complete cell.
Second and third:	Cell wall detail: Through the small pores, the cell transports the gelatinous substance made of mucopolysaccharides to build the gelatinous membrane.

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 Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

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

Four images, three 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 (shown enlarged in the inset).
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 Mittersill (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 of a specimen with reduced cell wall ornamentation.
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.

Protisten.de

Observations on Xanthidium armatum

New items

New items