Usnea scabrata, the straw beard lichen, is a pale grayish-yellowish green, slender, pendant, branching from the base, unequally branching, shrubby fruticose lichen that grows from holdfasts on trees.[1]: 214  It is warty with abundant isidia.[1]: 214  It resembles Usnea filipendula.[1]: 214 

Usnea scabrata
In West Butte, Sweet Grass Hills, Montana, USA
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Parmeliaceae
Genus: Usnea
Species:
U. scabrata
Binomial name
Usnea scabrata
Nyl. (1875)

References

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  1. ^ a b c Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2