Green moss has taken over all of the downed logs, tree trunks, and bare branches of this dense forest just outside of the Olympic...

Moss Rules

Olympic National Forest, Washington

Green moss has taken over all of the downed logs, tree trunks, and bare branches of this dense forest just outside of the Olympic National Park.  Look closely, because these trees no longer exist; they were clearcut several years ago. Photo © copyright by Stephen Penland.