old man's beard

raindrops
Paradise Pools, Cowichan River
Vancouver Island, British Columbia, Canada

Old Man's Beard (Usnea): The lichen seen hanging from tree branches in much of British Columbia.  It hangs from tree bark and tree branches looking like greenish-grey hair.  A form of lichen, usnea can be found world-wide.  There are currently over 85 known species of usnea.