Cosmarium
Desmidiaceae –
Archaeplastida

Observations on Cosmarium quadrum

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Cosmarium quadrum P.Lundell 1871

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Ursinella quadrum (Lundell) Kuntze ????
Cosmarium dentiferum var. quadrum (P.Lundell) Playfair ????

Sampling date 06/2024. Scale bars indicate 25 µm.

Four images. Journey into the cell.

First:	Synoptic representation of the cell with the cell wall warts and the fine pores in between.
Second:	Optical cross-section showing a few wings of the chloroplasts.
Third:	Optical cross section showing assimilate beads (fat-containing oleosomes).
Fourth:	Optical cross section showing assimilate beads and the four 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 at the Pillersee (Tyrol, Austria)
Latitude: 47.531785 Longitude: 12.573095

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.

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Observations on Cosmarium quadrum

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