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Usnea Lichen on Bigleaf Maple in Olympic National Park
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-869
Author: Lee H. Rentz
© 2011 Lee Rentz
Photo size: 0.7 Mpixels (1.91 MB uncompressed) - 1000x667 pixels (3.3x2.2 in / 8.5x5.6 cm at 300 ppi)