Green-colored Algae without Flagella –
Archaeplastida (Part), SAR-Stramenopiles (Part)

Observations on Eremosphaera viridis development from resting cyst to vegetative state

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Eremosphaera viridis De Bary 1858

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Chlorosphaera oliveri Henfrey 1859

This page shows stages of germination of Eremosphaera viridis cystozygotes up to the normal vegetative state of the cells.

It can be observed that, as the cells divide, the reddish UV protective pigments are gradually broken down.

Sampling date 10/2019. Scale bars indicate 100 µm (1, 3), 250 µm (2).

Three images.
Early stages of development of vegetative cells of Eremosphaera viridis from cystozygotes.

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

Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 10/2019. Scale bars indicate 250 µm (1), 100 µm (2, 3).

Three images.
Advanced stages of development of vegetative cells of Eremosphaera viridis from cystozygotes.

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

Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 10/2019. Scale bars indicate 100 µm.

Five images.
The vegetative stage has almost been reached, only traces of the reddish protective pigments of the former cystozygote stage are still present.

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

Stereo microscope Olympus SZX16, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 10/2019. Scale bar indicates 100 µm.

Fully developed vegetative cell.

Place name: Bog Waasenmoos, Pass Thurn near Mittersill (Tyrol, Austria)
Latitude: 47.30234117 Longitude: 12.41751194

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

© 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 Eremosphaera viridis development from resting cyst to vegetative state

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