Adiantum pedatum
Idaho: North-central, Clearwater Natl. For., Eldorado Creek near jct. with Dollar Creek, 46º17.964, 115º38.776, elev. 3,540 ft, wetland prairie with dominant Veratrum californicum surrounded by  forest of Englemann spruce, grand fir, western red cedar, lodgepole pine, western larch. 26 July 2011