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Scientific name
Staurastrum cyrtocerum Ralfs 1848 var. cyrtocerum
Synonyms or name indicated in the previous Red List
Staurastrum cyrtocerum var. compactum West & G.S. West 1905
Group of organisms
Desmidiales
Red List Category
Highly Threatened
Responsibility of Germany
General responsibility
Current population status
very rare
Long-term population trend
moderate decline
Short-term population trend
decrease of unknown extent
Previous Red List Category
Not Evaluated
Change of category compared to previous Red List
The change of category is not assessable, for example because the previous Red List does not list the taxon or the taxon has not been assessed in the previous Red List.
Comment on taxonomy
Taxonomie nach Coesel & Meesters (2013).
Comment on threat
In Gutowski & Mollenhauer (1996) waren Staurastrum cyrtocerum var. compactum West & G.S. West 1905 mit Kategorie "2" und Staurastrum cyrtocerum Ralfs 1848 var. cyrtocerum mit "D" bewertet.
Source

Kusber, W.-H. & Gutowski, A. (2018): Rote Liste und Gesamtartenliste der Zieralgen (Desmidiales) Deutschlands. – In: Metzing, D.; Hofbauer, N.; Ludwig, G. & Matzke-Hajek, G. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands. Band 7: Pflanzen. – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (7): 711-778.