Impressionistic View of Usnea Lichen on Bigleaf Maple in Olympic National Park
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Impressionistic View of Usnea Lichen on Bigleaf Maple in Olympic National Park
Impressionistic view of Usnea lichen (aka Old Man's Beard, Beard Lichen, Treemoss, and Methusela's Beard Lichen) (Usnea longissima or Dolichousnea longissima) on a Bigleaf Maple (Acer macrophyllum) with autumn leaves in the Staircase Rapids area of Olympic National Park, Washington, USA, October, Olympic_Peninsula_Autumn-813