Closteriaceae –
Archaeplastida

Observations on ***Closterium directum* var. *directum***

Protisten / Protisten.de – created by Wolfgang Bettighofer / Algae green-colored (2: Desmidiales): Closteriaceae / Closterium directum var. directum

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

Closterium directum var. directum W.Archer 1862

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Closterium intermedium var. directum (Archer) Klebs 1879
                               Arthrodia directa (W.Archer) Kuntze 1891
                               Closterium ulna Focke ex W.B.Turner 1892
                               Closterium ulna var. striolato-punctatum Elenkin 1914
                               Closterium ulna var. multinucleatum Deflandre 1925

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

Two images.

First:	Synoptic representation of the cell surface. The bars in the enlarged inset mark 10 µm. The striation has a density of 11 lines/10 µm.
Second:	Optical cross-section showing chloroplasts and the terminal vacuoles.

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 10/2019. Scale bars indicate 50 µm.

Three images.

First:	Snoptic representation of the cell wall. The mucilage for locomotion can be seen at the right cell tip.
Second and third:	Two optical cross-section through the cell.

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.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
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