Usnea mutabilis
| Usnea mutabilis | |
|---|---|
| |
| In Delmarva | |
Scientific 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.[1]: 212 It is darker green than other members of the genus Usnea.[1]: 212 The surface is covered with isolated, or clusters of, isidia.[1]: 212 It lacks apothecia.[1]: 212
The common name is bloody beard lichen.[1]: 212 The thick axis and medulla are dull red.[1]: 212
References
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