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
48° 47' N, 113° 31' W
2439 meters
8000 ft.
Windswept alpine habitat.
On cliffs wet during spring melt. Abundant. Dup. det: John W. Thomson, 3/90. Specimen cited: The Bryologist 94 (4): 351-367 (1991). Substrate: Saxicolous.