Dermatocarpon americanum

dermatocarpon americanum 1 graphic
Dermatocarpon americanum 1
On rock. From Coronado National Forest, southern Arizona.

Dermatocarpon americanum 2
On rock. From Coronado National Forest, southern Arizona.

Dermatocarpon americanum 3
On rock. From the Mojave Desert, California.

Dermatocarpon americanum 4
On rock. From the Mojave Desert, California.

Dermatocarpon americanum 5
On rock. From the Mojave Desert, California.

Dermatocarpon americanum 6
On rock. From the Mojave Desert, California.

Dermatocarpon americanum 7
On rock. From the Mojave Desert, California.

Dermatocarpon americanum cfr.
(tentative ID by T. Nash)
On rock. From Santa Catalina Island, California.