Euastrum
Desmidiaceae –
Archaeplastida

Observations on Euastrum ansatum

Protisten / Protisten.de – created by Wolfgang Bettighofer / Algae green-colored (2: Desmidiaceae): Euastrum / Euastrum ansatum

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

Euastrum ansatum Ehrenberg ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Cosmarium ansatum (Ehrenberg ex Ralfs) Rabenhorst 1868
                               Ursinella ansata (Ehrenberg) Kuntze ????
                               Helierella ansata (Ralfs) Kuntze 1891 (Ralfs) Kuntze 1891
                               Euastrum rotundum Playfair 1907
                               Euastrum subansatum C.Bernard 1908
                               Euastrum tropicum C.Bernard 1908
                               Euastrum ansatum var. dideltiforme Ducellier 1918
                               Euastrum ansatum var. commune Ducellier 1918
                               Cosmarium pseudopyramidatum var. ansatum Krieger & Gerloff 1965
                               Euastrum ansatum f. dideltiforme (Ducellier) G.H.Tomaszwicz & W.W.Kowalski 1993

Sampling date 06/2025. Scale bars indicate 25 µm.

Three images. Optical journey into the cell.

First:	Synoptic representation of the cell showing chloroplast wings.
Second and third:	Two optical cross-sections showing the chloroplasts and their 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: Moor called Schwemm near Walchsee (Tyrol, Austria)
Latitude: 47.657707 Longitude: 12.299540 Elevation: 669 m

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

Sampling date 06/2013. Scale bars indicate 25 µm.

Four images. Optical journey into the cell.

First:	Synoptic representation of the cell wall. The enlarged inset shows dots (cell wall pores) through which the protective mucilage is deposited.
Second and third:	Two optical cross-sections through two different cells, showing the chloroplasts and their pyrenoids.
Fourth:	Nucleus and chloroplasts with 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 Mittermoos near Fieberbrunn (Tyrol, Austria)
Latitude: 47.47998695 Longitude: 12.5240922 Elevation: 833 m

Microscope Zeiss Universal, camera Canon EOS 600D. 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.

Protisten.de

Observations on Euastrum ansatum

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