Desmids –
Archaeplastida (Part)

Observations on Micrasterias oscitans

Gallery Prof. Rupert Lenzenweger

Protisten / Home / Algae green-colored (2: Desmids): Streptophyta / Zygnematophyceae / Zygnematophycidae / Desmidiales / Desmidiaceae / Micrasterias oscitans – Prof. R. Lenzenweger

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Micrasterias oscitans Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Holocystis oscitans Hassall nom. illeg. 1845
                               Euastrum holocystis Kützing 1849
                               Euastrum oscitans (Hassall) Nägeli 1849
                               Tetrachastrum oscitans (Ralfs) R.V.Dixon 1859
                               Holocystis oscitans Hassall ex Wallich 1860

Dimension: Length (120)–130–150–(175) µm, width (100)–120–140–(155) µm, L/W (1.05)–1.15–1.3–(1.35).

Occurrence: As an acidophilic alga in acidic waters between peat mosses. Rare species.

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.

© 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 Micrasterias oscitans

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