United States, Colorado, Jackson, Summit of North Park Range.
Assuming this is Park Range it covers ~34 miles along the west side of Jackson County. This is too large of an area to provide a reasonable georeference. RA; Georeferenced 25 July 2016
Rocky slopes and rock crevices.
Spore
Athyrium alpestre (Hoppe) Rylands var. americanum Butters det. by W.A. Weber, 1946. Athyrium distentifolium Tausch ex Opiz ssp americanum (Butters) Hulten det. by W.A. Weber, 1994. Original ID: Asplenium Felix-foemina (L.) Bernh. [Original label says Larimer County; western Larimer County became Jackson County in 1909, several years after this collection].
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)