SquamuleApo; Habitat: Calcareous outcrops in heavily grazed grassland; Location: Monida Ridge, 2 km NE of Monida; Substrate: Soil over HCl+ rock; Elevation: 2195 meters.
Spores; Habitat: Calcareous outcrops in heavily grazed grassland; Location: Monida Ridge, 2 km NE of Monida; Substrate: Soil over HCl+ rock; Elevation: 2195 meters.
Habit; Habitat: Calcareous outcrops in heavily grazed grassland; Location: Monida Ridge, 2 km NE of Monida; Substrate: Soil over HCl+ rock; Elevation: 2195 meters.
Epithecium; Habitat: Calcareous outcrops in heavily grazed grassland; Location: Monida Ridge, 2 km NE of Monida; Substrate: Soil over HCl+ rock; Elevation: 2195 meters.
Habit; Habitat: Calcareous outcrops in heavily grazed grassland; Location: Monida Ridge, 2 km NE of Monida; Substrate: Soil over HCl+ rock; Elevation: 2195 meters.
Spot tests; Habitat: Juniperus and calcareous rock at water's edge; Location: South shore of Bull Island in Flathead Lake; Substrate: Soil over rock, HCl+; Elevation: 890 meters; Notes: Psora tuckermanii det. Timdal 1985.
Habit; Habitat: Juniperus and calcareous rock at water's edge; Location: South shore of Bull Island in Flathead Lake; Substrate: Soil over rock, HCl+; Elevation: 890 meters; Notes: Psora tuckermanii det. Timdal 1985.
Apothecia; Habitat: Juniperus and calcareous rock at water's edge; Location: South shore of Bull Island in Flathead Lake; Substrate: Soil over rock, HCl+; Elevation: 890 meters; Notes: Psora tuckermanii det. Timdal 1985.