Micrasterias
Desmidiaceae –
Archaeplastida

Observations on Micrasterias ralfsii

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Micrasterias ralfsii (Brébisson ex Ralfs) Škaloud, Nemjova, Vesela, Černá & Neustupa 2011

Most likely ID: n.a.

Basionym: Cosmarium ralfsii Brébisson ex Ralfs 1848

Add’l Synonyms: Pleurotaeniopsis ralfsii (Brébisson ex Ralfs) De Toni 1889

Sampling date 06/2024. Scale bars indicate 50 µm.

Six images, five of them in a slide changer.

First:	Synoptic representation of the cell surface. Image taken with a stereo microscope with a high aperture objective.
Second:	Synoptic representation of the cell surface. The very fine granules on the cell wall become visible.
Third and fourth:	Two optical cross-sections showing cell wall granules and some chloroplast wings.
Fifth:	Optical cross-section showing chloroplast wings and some pyrenoids.
Sixth:	Optical cross-section showing the nucleus with its central nucleolus and some 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

First image: Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII.

Others: 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 Micrasterias ralfsii

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