[Lichens of Denali National Park and Preserve]

Icelandmoss, Island Cetraria Lichen, Tumbleweed Lichen

Cetraria islandica

Icelandmoss, Island Cetraria Lichen, Tumbleweed Lichen: Cetraria islandica

Tumbleweed lichen as seen atop Quigley Ridge, Denali National Park and Preserve...........June 18, 2012.
Paul Slichter