Habit; Habitat: Artemisia tridentata steppe; Location: South of Big Springs Reservoir (dry) Sheldon National Wildlife Refuge; Substrate: Rock, volcanic stones; Elevation: 1691 meters.
Hymenium; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
Habit; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
Apothecial section; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
Asci K-IKI; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
Habit; Habitat: Exposed volcanic rock on mountain top; Location: Rim of crater of South Sister, Cascade Range; Substrate: Rock, volcanic; Elevation: 3147 meters; Notes: A. socialis, ver. K. Knudsen 2010.
Apothecial section POL; Habitat: Basalt cliffs, partly forested; Location: Just west of Cold Spring Camp, 6 km west of Sisters, east slope of Cascade Range; Substrate: Rock, basalt outcrop; Elevation: 1048 meters.
