Spores; Habitat: Open lava flow with widely scattered conifers; Location: Muddy Creek Lava Flow, north side of Mt. Adams, north of Muddy Fork Cispus River; Substrate: Moss over rock; Elevation: 1415 meters.
Habit; Habitat: Rocky alpine summit with dark igneous rock, metal-rich rock, and marble; Location: Summit of Matterhorn, Wallowa Mountains, Eagle Cap Wilderness; Substrate: Rock, iron-rich HCl-; Elevation: 2995 meters; Notes: C. saxicola s. str. of Gaya (2009). Caloplaca saxicola det. E. Gaya 2011.
Spores; Habitat: Large calcareous conglomerate outcrops, exposed, along road; Location: Above frontage road, east side of bridge over Missouri River at Craig; Substrate: Rock, calcareous conglomerate outcrops; Elevation: 1055 meters.
Apothecial section; Habitat: Basalt cliffs; Location: Malheur River Canyon between Harper and Little Valley on US Route 20; Substrate: Rock, basalt cliffs; Elevation: 900 meters; Notes: C. biatorina dup. det. E. Gaya in MIN.
Habit; Habitat: Basalt cliffs; Location: Malheur River Canyon between Harper and Little Valley on US Route 20; Substrate: Rock, basalt cliffs; Elevation: 900 meters; Notes: C. biatorina dup. det. E. Gaya in MIN.