Southeastern Alaska Distribution: Not previously known; from the eastern slopes of Marble Mountain, opposite Drake Island, Glacier Bay, Worley 11219 (colleced by F. M. Boas).
Habitat: The Glacier Bay plants were growing on soil in a rocky depreesion in the subalpine. The species is elsewhere known from calcareous rocks and crevices in the subalpine and lower alpine zones.
Comments: Sporophytes exceedlingly rare. The Glacier Bay report is a southern extension of the known range of the species, and the first location anywhere on the Pacific Coast.