Staurastrum and
Staurodesmus
Desmidiaceae –
Archaeplastida

Observations on ***Staurastrum oligacanthum* var. *incisum***

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Staurastrum oligacanthum var. incisum West 1892

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Cosmoastrum oligacanthum var. incisum (West) Palamar-Mordvintseva 1982

Remark: Identification according to Lenzenweger (1997): Desmidiaceenflora von Österreich Vol 2.
A determination according to Coesel & Meesters (2023) Desmids of the Lowlands would lead to Staurastrum cristatum var. cuneatum T.Hinode 1967.

Sampling date 06/2024. Scale bars indicate 25 µm.

Four images.

First and second:	Cells in apical view triradiate (three lobes). Frontal view displaying two lobes, the third lobe is hidden. Synoptic representation of the cell wall and optical cross-section showing storage globules (oleosomes).
Third and fourth:	View from the opposite side, all three lobes are visible, the third is facing the viewer.

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Place name: Wetland Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499

Microscope Zeiss Universal, 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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