Tiny Organisms in Aquatic Habitats

Desmids –
 Archaeplastida (Part) 

Observations on Euastrum intermedium

Gallery Prof. Rupert Lenzenweger

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

Euastrum intermedium Cleve 1864

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Euastrum purum Wolle 1885

Euastrum intermedium original graphic by Prof. Lenzenweger
Euastrum intermedium

Description: The cells are appr. two times longer than wide. The cell sides are loboid broadly rounded. The vertex lobes are protruding clearly, broadened on the ends and with a cut in the middle. In the center of the cell halves there are pairs of bumps which are covered with small warts. The central cuts are far opened towards the periphery.

Dimension: Length 55–80–(95) µm, width 30–45–(52) µm, L/W: (1.5)–1.7–2–(2.2).

Occurrence: Ubiquitous, prefers boreal areas (mountains), rather rare in Central Europe. Acidophilic alga in shallow waters between sphagnum.

Left: Original graphic by Prof. Lenzenweger.
Right: Photomicrograph by Prof. Lenzenweger. For microphotography, the microscope illumination was adjusted in such a way that as many features as possible that are important for species identification are prominently displayed.

Copyright by Prof. Rupert Lenzenweger, Ried im Innkreis, Austria.

© 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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