Micrasterias
Desmidiaceae –
Archaeplastida

Observations on Micrasterias denticulata

Protisten / Protisten.de – created by Wolfgang Bettighofer / Algae green-colored (2: Desmidiaceae): Micrasterias / 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: Bog 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 (oleosomes) 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 Mittersill (Tyrol, Austria)
Latitude: 47.30234117 Longitude: 12.41751194 Elevation: 1200 m

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, divided into two slide changers.

First:	Detailed depiction of the two chloroplasts, the assimilates (oleosomes).
Second:	Detailed depiction of the two chloroplasts, the assimilates 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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