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Psora russellii

Habit; Location: Trail Canyon, Panamint Range; Substrate: Soil in rock crevice, HCl+; Elevation: 150 meters.
Psora russellii

Apothecia; Location: Trail Canyon, Panamint Range; Substrate: Soil in rock crevice, HCl+; Elevation: 150 meters.
Psora russellii

Habit; Location: Trail Canyon, Panamint Range; Substrate: Soil in rock crevice, HCl+; Elevation: 150 meters.
Psora rubiformis

Field habit; Habitat: Rocky granitic tundra; Location: Ridge forming continental divide south of Milner Pass; Substrate: Soil; Elevation: 3580 meters.
Psora rubiformis

Habit; Habitat: Rocky granitic tundra; Location: Ridge forming continental divide south of Milner Pass; Substrate: Soil; Elevation: 3580 meters.
Psora globifera

Squamules; Habitat: Basalt outcrops; Location: South side of Black Butte, east slope of Cascade Range; Substrate: Soil and Grimmia over basalt outcrops; Elevation: 1770 meters.
Psora globifera

KC test; Habitat: Basalt outcrops; Location: South side of Black Butte, east slope of Cascade Range; Substrate: Soil and Grimmia over basalt outcrops; Elevation: 1770 meters.
Psora globifera

Habit; Habitat: Basalt outcrops; Location: South side of Black Butte, east slope of Cascade Range; Substrate: Soil and Grimmia over basalt outcrops; Elevation: 1770 meters.
Psora cerebriformis

Habit; Habitat: Oolitic limestone cliffs; Location: Mudflat Road, just north of small cemetery, south of Grandview, T7S R3E S4; Substrate: Soil; Elevation: 930 meters.
Psora nipponica

Thallus; Location: Southwest shoulder of Iron Mountain, with andesite bedrock; Substrate: Soil over rock; Elevation: 1615 meters.