Desmids –
Archaeplastida (Part)

Observations on Micrasterias denticulata

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

Micrasterias denticulata Brébisson ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Micrasterias angulosa Hantzsch 1866
Micrasterias furcata var. denticulata (Brébisson) Rabenhorst 1868
Micrasterias denticulata var. lusitanica J.Sampaio 1922

Sampling date 04/2007. Scale bars indicate 50 µm.

Two images.

First:	Synoptic representation of the cell surface.
Second:	Optical cross-section through the cell showing chloroplasts with numerous pyrenoids and nucleus.

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: Bogs near Salzburg (Austria)
Latitude: 48.068516 Longitude: 12.954134

Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.

Sampling date 10/2019. Scale bars indicate 100 µm (1), 25 µm (2).

Two images.

First:	Optical cross-section through the cell showing chloroplasts with pyrenoids, globules of stortage substances and the nucleus.
Second:	Close-up on the cell center showing structure of the chloroplasts, globules of storage material and nucleus with papillous nucleolus.

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 Mittersil (Tyrol, Austria)
Latitude: 47.30234117 Longitude: 12.41751194

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 06/2023. Scale bars indicate 100 µm (1, 2), 50 µm (3), 10 µm (4).

Four images.

First:	Detailed depiction of the two chloroplasts, the assimilates (spherical oil droplets).
Second:	Detailed depiction of the two chloroplasts, the assimilates (spherical oil droplets) and the nucleus (pale disk in the middle of the cell).
Third and fourth:	Zoom-in and detailed depiction of lobes. The cell wall is covered with small pores through which a protective gelatinous layer is secreted.

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.

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Observations on Micrasterias denticulata

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