Usnea spp (U. barbata, U. californica, U. longissima)
Usnea
A lichen is an organism that has characteristics of a Fungus and and Algae. There are several species of Usnea growing from various species of trees especially in the moist, cool, forests of the Pacific Northwest. It resembles Spanish Moss and hangs from tree limbs looking like a beard; hence one of the common names, Old Man’s Beard. Usnea has been used in traditional Chinese Medicine for over 2,000 years and also has a long tradition of use in Western Botanical medicine.