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![Footbridge in Olympic National Park](http://d3e1m60ptf1oym.cloudfront.net/ba008630-53a6-11e3-8441-e791994fead5/Olympic_Peninsula_Autumn-70_xgaplus.jpg)
Usnea Lichen on Autumn Bigleaf Maple
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-67
Author: Lee H. Rentz
© Lee Rentz
Photo size: 0.7 Mpixels (1.91 MB uncompressed) - 667x1000 pixels (2.2x3.3 in / 5.6x8.5 cm at 300 ppi)
Published in: OLYMPIC NATIONAL PARK: STAIRCASE
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