Exciple section; Habitat: Argillite and quartzite rocks along river; Location: Along Thompson River at upper end of canyon; Substrate: Rock, HCl-; Elevation: 820 meters.
Thallus Margin: Argillite and quartzite rocks along river; Location: Along Thompson River at upper end of canyon; Substrate: Rock, HCl-; Elevation: 820 meters.
Habit; Habitat: Argillite and quartzite rocks along river; Location: Along Thompson River at upper end of canyon; Substrate: Rock, HCl-; Elevation: 820 meters.
Apothecial section; Habitat: Streamside rock, shaded; Location: Outcrops near Breitenbush River, Cascade Range; Substrate: Rock near river; Elevation: 595 meters; Notes: With good material of 21002 Vestergrenopsis isidiata.
Habit; Habitat: Streamside rock, shaded; Location: Outcrops near Breitenbush River, Cascade Range; Substrate: Rock near river; Elevation: 595 meters; Notes: With good material of 21002 Vestergrenopsis isidiata.