Locality:
U.S.A., Montana, Glacier, East Flattop Mountain, 3 air miles NW of St. Mary, MT. East side of the park.
48.783333 -113.51667 unknown
Verbatim Coordinates:
48° 47' N, 113° 31' W
Elevation:
2439 meters Verbatim Elevation:
8000 ft.
Habitat:
Windswept alpine habitat.
Notes:
On quartzite pebbles in full sun. Common. Dup. det: J. Thomson 3/90 as Porpidia crustulata. Det: B. McCune 1991 as L. auriculata. Substrate: Saxicolous.