Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Usnea angulata Ach.

rumibarba, liquen de barba, barba de la piedra, barbas de viejo, Beard lichen

Taxonomy

Domain
Eukaryota

Kingdom
Fungi

Phylum
Ascomycota

Class
Lecanoromycetes

Order
Lecanorales

Family
Parmeliaceae

Genus
Usnea

Species
angulata

Taxon category: Accepted

In Weber (1981, 1986) and Elix & McCarthy (1998) as Usnea paradoxa; no recent specimens; all collections from before 1972, presumed extinct!

Origin: Native

Status

IUCN Red List Category: Regionally Extinct

References

  • Elix, J.A. McCarthy, P.M. (1998) Catalogue of the Lichens of the Smaller Pacific Islands. Bibliotheca Lichenologica 70, J. Cramer, Berlin, Stuttgart, 361pp.
  • Truong, C. Rodriguez, J.M., Clerc, P. (2013) Pendulous Usnea species (Parmeliaceae, lichenized Ascomycota) in tropical South America and the Galapagos The Lichenologist 45(4): 505-543
  • Weber, W.A. (1981) Lichenes Exsiccati, distributed by the University of Colorado Museum, Boulder, Fasc. 1-15, nos. 1-600, 1961-1979. Mycotaxon 13(1): 85-104.
  • Weber, W.A. (1986) The Lichen Flora of the Galápagos Islands, Ecuador. Mycotaxon 27: 451-497.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Usnea angulata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=4099. Accessed 4 November 2026.