The geographic and ecological distribution of the Roan Mountain Sedge, Carex roanensis (Cyperaceae)
Tyler W. Smith, James T. Donaldson, Thomas F. Wieboldt, Gary L. Kauffman, and Marcia J. Waterway
CASTANEA (The Journal of the Southern Appalachian Botanical Society) 71(1): 45-53 (2006).