Old Man's Beard, Methuselah's Beard Lichen
Dolichousnea longissima
Synonym: Usnea longissima
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- ![Old Man's Beard, Methuselah's Beard Lichen: Dolichousnea longissima (Synonym: Usnea longissima)](longissima/longissima12-03-2018b.jpg)
Old man's beard lichen observed on bigleaf maple trees along the Willapa Hills Trail between Rainbow Falls State Park and Pe Ell, WA.......December 3, 2018.
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- ![Old Man's Beard, Methuselah's Beard Lichen: Dolichousnea longissima (Synonym: Usnea longissima)](longissima/longissima02-12-2017c.jpg)
Methuselah's beard observed along the Banks-Vernonia Trail (Tophill to Beaver Creek section), northwestern Oregon.........February 12, 2017.
![Old Man's Beard, Methuselah's Beard Lichen: Dolichousnea longissima (Synonym: Usnea longissima)](longissima/longissima10-27-2017.jpg)
Methuselah's beard draping conifer branches at the parking area for the Lewis & Clark National Historic Park south of Astoria, OR........October 27, 2017.
Paul Slichter