Thallus transverse section; Habitat: Rocky area fringed with Abies and Tsuga mertensiana; Location: Rocky summit just east of Bolan Mountain, Siskiyou Mountains; Substrate: Rock, beneath overhand; Elevation: 1760 meters; Notes: Plate 139: usnic only.
Apothecial section; Habitat: Open rocky area with dwarf Artemisia, Eriogonum and sparse grasses and various igneous rock; Location: Summit of Warner Peak, Hart Mt National Antelope Refuge; Substrate: Rock; Elevation: 2424 meters.
Hymenium; Habitat: Open rocky area with dwarf Artemisia, Eriogonum and sparse grasses and various igneous rock; Location: Summit of Warner Peak, Hart Mt National Antelope Refuge; Substrate: Rock; Elevation: 2424 meters.