Physcia tribacia

Physcia tribacia

Physcia tribacia 1
On rock. From the San Francisco Bay Area, California.

Physcia tribacia 2
On rock. From the northern Coast Range, California.

Physcia tribacia 3
On rock. From Santa Rosa Island, southern California.

Physcia tribacia 4
On rock. From the San Francisco Bay Area, California.

Physcia tribacia 5
On rock. From the San Francisco Bay Area, California.

Physcia tribacia 6
On rock. From the San Francisco Bay Area, California.

Physcia tribacia 7
On rock. From Boulder Canyon, Rocky Mountains, Colorado.

Physcia tribacia 8
On rock. From Santa Catalina Island, southern California.

Physcia tribacia 9
On rock. From Santa Catalina Island, southern California.

Physcia tribacia 10
On rock. From Santa Catalina Island, southern California.

Physcia tribacia 11
On rock. From coastal Marin County, California.

Physcia tribacia 12
On rock. From Santa Catalina Island, southern California.

Physcia tribacia cfr.
("probably an atypical form" --T. Goward)
On rock. From northeastern California.