Euastrum
Desmidiaceae –
Archaeplastida

Observations on Euastrum didelta

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

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

Euastrum didelta Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Euastrum didelta f. ansatiforme Schmidle 1898
Euastrum didelta var. ansatiforme (Schmidle) F.Ducellier 1915
Euastrum didelta var. cuneatiforme Ducellier 1915

Sampling date 06/2025. Scale bars indicate 50 µm.

Five images.

First:	Synoptic representation of the cell surface.
Second and third:	Optical cross-section showing chloroplast wings.
Fourth:	Optical cross-section showing chloroplasts and pyrenoids.
Fifth:	Optical cross-section showing nucleus and 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 06/2025. Scale bars indicate 50 µm (1), 5 µm (2).

Two images.

First:	Complete cell.
Second:	Cell wall detail: Through the small pores, the cell transports the gelatinous substance made of mucopolysaccharides to build the gelatinous membrane.

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 Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067 Longitude: 12.37624884 Elevation: 777 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl

Sampling date 09/2025. Scale bars indicate 25 µm.

Place name: Pond Kleiner Moarkopf near Lachtal (Styria, Austria)
Latitude: 47.24297 Longitude: 14.40055 Elevation: 1615 m

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

Sampling date 09/2009. Scale bars indicate 50 µm.

Place name: Wetland near Schladming (Austria)
Latitude: 47.37386 Longitude: 13.823016

Microscope Zeiss Universal, camera Olympus C7070WZ. 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 Euastrum didelta

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