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Scientific name
Acaulon casasianum Brugués & H.A. Crum
Group of organisms
Anthocerotophyta, Marchantiophyta & Bryophyta
Red List Category
Threatened
Responsibility of Germany
High level of responsibility
Current population status
very rare
Long-term population trend
moderate decline
Short-term population trend
constant
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 responsibility
Nur in Spanien und Deutschland, hier auf Gips im Südharz, im Thüringer Becken (ST, TH) sowie in Ost-HE.
Further comments
Erstmals von Eckstein (2004) für Deutschland nachgewiesen (nur TH, ST).
Status
Indigenes or Archaeobiota
Source

Caspari, S.; Dürhammer, O.; Sauer, M. & Schmidt, C. (2018): Rote Liste und Gesamtartenliste der Moose (Anthocerotophyta, Marchantiophyta und Bryophyta) 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): 361-489.