Authors:
Horton, James H. and J. Dan Pittillo
Abstract: Representing over 1,400 collections made by Dan Pittillo and James Horton between 1966-1974, these collections document the flora of the unique, high-elevation (2,000-5,700 ft) rock outcrop habitat in the southern Appalachians.
Families: 29
Genera: 40
Species: 48