Euastrum
Desmidiaceae –
Archaeplastida

Observations on Euastrum ansatum

Gallery Prof. Rupert Lenzenweger

Protisten / Home / Algae green-colored (2: Desmidiaceae): Euastrum / Euastrum ansatum – Prof. R. Lenzenweger

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Euastrum ansatum Ehrenberg ex Ralfs 1848

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Cosmarium ansatum (Ehrenberg ex Ralfs) Rabenhorst 1868
                               Helierella ansata (Ralfs) Kuntze 1891
                               Ursinella ansata (Ehrenberg) Kuntze ????
                               Euastrum rotundum Playfair 1907
                               Euastrum subansatum C.Bernard 1908
                               Euastrum tropicum C.Bernard 1908
                               Euastrum ansatum var. dideltiforme Ducellier 1918
                               Euastrum ansatum var. commune Ducellier 1918
                               Cosmarium pseudopyramidatum var. ansatum Krieger & Gerloff 1965
                               Euastrum ansatum f. dideltiforme (Ducellier) G.H.Tomaszwicz & W.W.Kowalski 1993

Dimension: Length (50)–70–90–(110) µm, width (25)–35–45–(55) µm, L/W (1.6)–1.8–2.2–(2.5).

Occurrence: Widely spread both in lowland and in middle altitude in moderate acidic waters.

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 Euastrum ansatum

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