Umbilicaria americana

Umbilicaria americana 1
On rock. From the Salmon River Canyon, Idaho.

Umbilicaria americana 2
On rock. From the Salmon River Canyon, Idaho.

Umbilicaria americana 3
On rock. From southwestern Ontario.

Umbilicaria americana 4
On wet rockface. From the Salmon River Canyon, Idaho.

Umbilicaria americana 5
On rock. From the Salmon River Canyon, Idaho.

Umbilicaria americana 6
On rock. From the Salmon River Canyon, Idaho.