Rocky Mountain Cliff Fern
Athyrium alpestre (A. distentifolium)

Family: Wood Fern (Dryopteridaceae)
AKA: Giant Lady Fern, Alpine Lady Fern
Photo taken on: September 5, 2004
Location: Poverty Gulch, GV, CO
Life Zones: Subalpine
Habitat: Rock crevices

Grows in large bushes up to 3 feet high with bright green fronds.

Flora of North America reference.