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Usnea fulvoreagens

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Usnea fulvoreagens is a species of beard lichen in the family Parmeliaceae. It was first described by Finnish lichenologist Veli Räsänen in 1931 as a variety of Usnea glabrescens.[2] He raised it to distinct species status in 1935. The lichen has a shrubby thallus that is richly branched, and bases that are blackened. The presence of norstictic acid is often used to differentiate this species from other similar species. It has a widespread distribution in Europe.[3]

References

  1. ^ "Synonymy: Usnea fulvoreagens (Räsänen) Räsänen". Species Fungorum. Retrieved 12 February 2021.
  2. ^ Räsänen, V. (1931). "Die Flechten Estlands I.". Annales Academiae Scientiarum Fennicae (in German). 34 (4): 20.
  3. ^ Randlane, Tiina; Tõrra, Tiiu; Saag, Andres; Saag, Lauri (2009). "Key to European Usnea species". In Thell, Arne; Seaward, Mark R. D.; Feuerer, Tassilo (eds.). Diversity of Lichenology – Anniversary Volume. Bibliotheca Lichenologica. Vol. 100. Stuttgart: J. Kramer. pp. 419–462. ISBN 978-3-443-58079-7.
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Usnea fulvoreagens: Brief Summary

provided by wikipedia EN

Usnea fulvoreagens is a species of beard lichen in the family Parmeliaceae. It was first described by Finnish lichenologist Veli Räsänen in 1931 as a variety of Usnea glabrescens. He raised it to distinct species status in 1935. The lichen has a shrubby thallus that is richly branched, and bases that are blackened. The presence of norstictic acid is often used to differentiate this species from other similar species. It has a widespread distribution in Europe.

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