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Scientific name
Staurastrum subexcavatum (Grönblad) Coesel & Meesters 2013
Synonyms or name indicated in the previous Red List
Staurastrum tetracerum var. subexcavatum Grönblad 1921
Group of organisms
Desmidiales
Red List Category
Data Deficient
Responsibility of Germany
General responsibility
Current population status
rare
Long-term population trend
unknown
Short-term population trend
unknown
Previous Red List Category
No evidence, not listed without intentionally excluding the taxa or no confirmed established occurrence (neither under the same nor a different name).
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.
Further comments
Nachweis aus Hamburg (Geissler & Kies 2003).
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.