Rhizocarpon macrosporum

Rhizocarpon macrosporum 1
On rock. From Glacier National Park, Montana.

Rhizocarpon macrosporum 2
On rock. From White River National Forest, Rocky Mountains, Colorado.

Rhizocarpon macrosporum 3
On rock. From Routt National Forest, Rocky Mountains, Colorado.

Rhizocarpon macrosporum 4
On rock. From Routt National Forest, Rocky Mountains, Colorado.

Rhizocarpon macrosporum 5
On granitic rock. From the alpine Sierra Nevada, California.

Rhizocarpon macrosporum 6
On rock. From Routt National Forest, Rocky Mountains, Colorado.