Rhizocarpon disporum

Rhizocarpon disporum 1
On rock. From the North Shore of Lake Superior, Ontario.

Rhizocarpon disporum 2
On rock. From the Coronado National Forest, southern Arizona.

Rhizocarpon disporum 3
On rock. From the Mojave Desert, California.

Rhizocarpon disporum 4
On rock. From the Mojave Desert, California.

Rhizocarpon disporum 5
On rock. From the Mojave Desert, California.

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

Rhizocarpon disporum 7
On rock. From near Houck, Arizona.