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- Scientific name
- Usnea barbata (L.) Weber ex F. H. Wigg.
- Synonyms or name indicated in the previous Red List
- Usnea caucasica Vain.; Usnea scabrata Nyl.
- Group of organisms
- Basidiomycota p.p. & Ascomycota p.p.
- Red List Category
- Highly Threatened
- Responsibility of Germany
- General responsibility
- Current population status
- rare
- Long-term population trend
- strong decline
- Short-term population trend
- strong decrease
- Special cases
- Negative risk factor(s) is/are known
- Risk factors
- Increasing indirect impacts, e. g. deterioration of habitat quality
- 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.
- Status
- Indigenes or Archaeobiota
- Source
-
Wirth, V.; Hauck, M.; Brackel, W. von; Cezanne, R.; Bruyn, U. de; Dürhammer, O.; Eichler, M.; Gnüchtel, A.; John, V.; Litterski, B.; Otte, V.; Schiefelbein, U.; Scholz, P.; Schultz, M.; Stordeur, R.; Feuerer, T. und Heinrich, D. (2011): Rote Liste und Artenverzeichnis der Flechten und flechtenbewohnenden Pilze Deutschlands. – In: Ludwig, G. & Matzke-Hajek, G. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands. Band 6: Pilze (Teil 2) – Flechten und Myxomyzeten. – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (6): 7-122.
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