Desmidiales and
Zygnematales –
Archaeplastida

Observations on Serritaenia spec.

Protisten / Protisten.de – created by Wolfgang Bettighofer / Algae green-colored (2: Desmids): other Zygnematophyceae / Serritaeniales / Serritaeniaceae / Serritaenia spec.

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

Serritaenia A.Busch & S.Hess, 2021

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Sampling date 06/2026. Scale bars indicate 10 µm.

Seven images, six of them in a slide changer.

Members of the genus Serritaenia produce extracellular mucilage with a pigmentation for UV-protection. For details please look at Busch, A., Hess, S.:
Sunscreen mucilage: a photoprotective adaptation found in terrestrial green algae (Zygnematophyceae), https://doi.org/10.1080/09670262.2021.1898677

The cells shown here were attached to Sphagnum leaves.

First:	Cell colony in its UV protective mucilage.
Second and third:	Same colony at a higher magnification.
Fourth to sixth:	Detailed views showing chloroplasts, pyrenoids and nuclei. The fully developed cells shown in the image No. 5 have dimensions L = 23.5–24 µm and B = 15–17 µm.
Seventh:	Cell in binary fission.

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: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m

(1) Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF image.
(2 to 7) Microscope Zeiss Universal, 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 Serritaenia spec.

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