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Usnea mutabilis

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Species of lichen

Usnea mutabilis
In Delmarva
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Parmeliaceae
Genus: Usnea
Species: U. mutabilis
Binomial name
Usnea mutabilis
Stirt. (1881)

Usnea mutabilis is a grayish-yellowish pale green, unequally branching, shrubby (fruticose) 3–7 cm long lichen commonly anchored on holdfasts on trees, mostly in eastern North America, sometimes in chaparral shrubs or pines in California. It is darker green than other members of the genus Usnea. The surface is covered with isolated, or clusters of, isidia. It lacks apothecia.

The common name is bloody beard lichen. The thick axis and medulla are dull red.

References

  1. ^ Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
Taxon identifiers
Usnea mutabilis


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