Spores K; Habitat: Partly forested; Location: Peridotite outcrop near Squaw Creek, 1 km N NW of Deer Creek Center, Siskiyou Field Institute; Substrate: Rock, peridotite; Elevation: 484 meters.
Hymenium K; Habitat: Partly forested; Location: Peridotite outcrop near Squaw Creek, 1 km N NW of Deer Creek Center, Siskiyou Field Institute; Substrate: Rock, peridotite; Elevation: 484 meters.
Habit; Habitat: Partly forested; Location: Peridotite outcrop near Squaw Creek, 1 km N NW of Deer Creek Center, Siskiyou Field Institute; Substrate: Rock, peridotite; Elevation: 484 meters.
Apothecia; Habitat: Partly forested; Location: Peridotite outcrop near Squaw Creek, 1 km NNW of Deer Creek Center, Siskiyou Field Institute; Substrate: Rock, peridotite; Elevation: 484 meters.
Habit; Habitat: Serpentine gravel floodplain; Location: Near fence at south end of airstrip, Rough and Ready Creek; Substrate: Rock; Elevation: 426 meters; Notes: Plate 352: usnic, salacinic.
Habit; Habitat: Serpentine gravel floodplain; Location: Near fence at south end of airstrip, Rough and Ready Creek; Substrate: Rock; Elevation: 426 meters; Notes: Plate 352: usnic, salacinic.
Habit; Habitat: Roadcut; Location: Illinois River Road, 3.9 miles W of Siskiyou Field Institute; Substrate: Rock, noncalcareous (greenstone); Elevation: 430 meters.