Tiny Organisms in Aquatic Habitats

Desmids –
Archaeplastida (Part)

Observations on Cosmarium quadratum

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

Cosmarium quadratum Ralfs ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Didymidium quadratum (Ralfs ex Ralfs) Reinsch 1867
                               Cosmarium quadratum f. majus Nordstedt 1888

Sampling date 06/2023. Scale bars indicate 25 µm.

Three images.

First:Synoptic representation of the lobose chloroplasts.
Second:Optical cross-section through the chloroplasts showing pyrenoids and the nucleus.
Third:Same as image No. 2. using brightfield.

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.

New items

New items