- Scientific name
- Cosmarium crenulatum (Nägeli) Bréb. 1856
- Synonyms or name indicated in the previous Red List
- Cosmarium undulatum var. crenulatum Wittr. 1869
- Group of organisms
- Desmidiales
- Red List Category
- Data deficient
- Responsibility of Germany
- General responsibility
- Current population status
- very 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.
- Comment on taxonomy
- Synonymie nach Kouwets (1999).
- Further comments
- Historische Funde aus dem Fichtelgebirge in Vollrath (2014).
- Status
- Indigenes or Archaeobiota
- 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.