Usnea_filipendula
Usnea filipendula
Species of lichen
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]:â206â 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, KCâ, Câ, and P+ yellow.[2]