Old Man's Beard, Beard Lichen, Methuselah's Beard Lichen
Usnea longissima
Synonym: Dolichousnea longissima
Methuselah's beard lichen (as seen on bigleaf maple) at the edge of a bald atop the Camp Creek Cliffs, Cowlitz Valley Ranger District, Gifford Pinchot National Forest...........June 29, 2013.
Methuselah's beard lichen (as seen on bigleaf maple) at the edge of a bald atop the Camp Creek Cliffs, Cowlitz Valley Ranger District, Gifford Pinchot National Forest...........June 29, 2013.
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Methusalah's beard lichen as seen on deciduous trees in the floodplain of Lacamas Creek at Camp Bonneville, Clark County, Washington..........March 28, 2014.
Paul Slichter