United States, Colorado, Grand, Rocky Mountain National Park. Tonahutu Creek Valley, ½ mi. S of Naynotch Lake.
Check specimen Haynach Lake?
3307 meters
10850 ft
On rocks of talus.
Athyrium distentifolium Tausch ex Opiz ssp americanum (Butters) Hulten, det. by W.A. Weber, 1994. Original ID: Athyrium alpestre (Hoppe) Rylands ex Moore var. americanum Butters. See Grand Co. Quad.
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)