PARMELIACEAE (Beard lichen family)

Letharia columbiana (Nutt.) J. W. Thomson brown-eyed wolf lichen [US; California; Lassen County; T37N, R14E, S32; 41 deg. 1.763'N, 120 deg. 24.727'W; 5,840 feet][on Juniperus occidentalis, 0.8 miles south of Clarks Valley Rd.; July 14, 2005; Collected by Lisa Anderson & Chuck Walker; Identified by Cheryl Beyer; #CA288]

Usnea arizonica Motyka Arizona beard lichen [US; Arizona; Yavapai County; T12.5N, R2W, S36; 6,760 feet][on tree along Senator Highway, south of turn-off to Hassayampa Lake; July 12, 1997; Collected by Chuck Walker; Identified by Dr. Archie Dickey; #AZ469]