Spores; Habitat: Andesite outcrop in blast zone; Location: Mt. St. Helens National Monument, NE side of Mt St Helens; Substrate: Rock, andesite outcrop; Elevation: 1061 meters.
Habit; Habitat: Andesite outcrop in blast zone; Location: Mt. St. Helens National Monument, NE side of Mt St Helens; Substrate: Rock, andesite outcrop; Elevation: 1061 meters.
Epithecium; Habitat: Andesite outcrop in blast zone; Location: Mt. St. Helens National Monument, NE side of Mt St Helens; Substrate: Rock, andesite outcrop; Elevation: 1061 meters.
Apothecial section; Habitat: Wet alpine tundra; Location: Near lip of Lunch Creek Cirque, transects of study with P. Lesica, Glacier National Park; Substrate: Rock, HCl+; Elevation: 2165 meters; Notes: S. regularis det. K. Knudsen 2005. S. magnussonii det Knudsen 2013.
Hymenium; Habitat: Wet alpine tundra; Location: Near lip of Lunch Creek Cirque, transects of study with P. Lesica, Glacier National Park; Substrate: Rock, HCl+; Elevation: 2165 meters; Notes: S. regularis det. K. Knudsen 2005. S. magnussonii det Knudsen 2013.
Habit; Habitat: Wet alpine tundra; Location: Near lip of Lunch Creek Cirque, transects of study with P. Lesica, Glacier National Park; Substrate: Rock, HCl+; Elevation: 2165 meters; Notes: S. regularis det. K. Knudsen 2005. S. magnussonii det Knudsen 2013.
Apothecial section POL; Habitat: Open-grown Picea sitchensis; Location: Along estuary of Sixes River, Cape Blanco State Park, T31S R16W S36; Substrate: Bark, Picea; Elevation: 5 meters; Notes: Schismatomma californicum dup det A. Tehler.