Spores; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Apothecia, old; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Habit; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Apothecial section POL; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Ascus; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Apothecia, young; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Apothecial section; Habitat: Basalt talus and outcrops in steppe with scattered Juniperus; Location: Above Twickenham-Bridge Cr Cutoff Road, south of John Day River; Substrate: Rock, basalt outcrops and talus; Elevation: 736 meters; Notes: Acarospora cf. peliscypha det Knudsen 2011.
Areoles; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Habit; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.
Hymenium; Habitat: Rhyolite barrens with sparse bunchgrasses and abundant Selaginella; Location: Above John Day River, just S of junction of Routes 19 and 207; Substrate: Rock, rhyolite; Elevation: 780 meters.