| Usnea scabrata | |
|---|---|
| |
| In West Butte, Sweet Grass Hills, Montana, USA | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecanorales |
| Family: | Parmeliaceae |
| Genus: | Usnea |
| Species: | U. scabrata
|
| Binomial name | |
| Usnea scabrata Nyl. (1875)
| |
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
- ^ a b c Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2