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Scientific name
Riccia ciliata Hoffm.
Synonyms or name indicated in the previous Red List
Riccia intumescens (Bisch.) Underw.; Riccia trichocarpa M. Howe
Group of organisms
Anthocerotophyta, Marchantiophyta & Bryophyta
Red List Category
Highly Threatened
Responsibility of Germany
General responsibility
Current population status
very rare
Long-term population trend
strong decline
Short-term population trend
decrease of unknown extent
Special cases
Stable sub-populations exist for taxa that are otherwise threatened with extinction
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.
Further comments
Häufig mit Zilien tragenden Formen anderer Riccia-Arten verwechselt (s. Meinunger & Schröder 2007).
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.