Usnea filipendula

Usnea filipendula, the fishbone beard lichen, is a pale gray-green fruticose lichen with a pendant growth form, growing in up to 20 cm many-branching tassels hanging from the bark of trees.^[2] In California, it mostly grows on mostly conifer in the Coast Range, but also in the western slopes of the Sierra Nevada range.^[2]: 206 It lacks apothecia.^[2] It is similar to Usnea scabrata, but is darker, has a thicker cortex, and different chemistry.^[2] Lichen spot tests are K+ red, KC−, C−, and P+ yellow.^[2]

Usnea filipendula
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Parmeliaceae
Genus:	Usnea
Species:	U. filipendula
Binomial name
Usnea filipendula Stirt. (1881)
Synonyms[1]
Usnea dasopoga var. fibrillosa (Motyka) Keissl. (1960) Usnea fibrillosa Motyka (1936) Usnea muricata Motyka (1936)

See also

• List of Usnea species