Tiny Organisms in Aquatic Habitats

Desmids –
 Archaeplastida (Part) 

Observations on Cosmarium obsoletum

Gallery Prof. Rupert Lenzenweger

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

Cosmarium obsoletum (Hantzsch) Reinsch 1867

Most likely ID: n.a.

Basionym: Arthrodesmus obsoletus Hantzsch 1862

Add’l Synonyms: Ursinella obsoleta (Hantzsch) Kuntze ????
                               Xanthidium orbiculare C.Bernard 1908
                               Pachyphorium obsoletum (Hantzsch) Palamar-Mordvintseva 1980

Cosmarium obsoletum original graphic by Prof. Lenzenweger
Cosmarium obsoletum

Dimension: Length (25)–43–52 µm, width (42)–51–59 µm.

Occurrence: Widely distributed in intermediate and lowland moors, old peat pits, etc.

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).
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