Images in the Common Trees of the North Carolina Piedmont polyclave derived from illustrations contained in, Albert E. Radford, William C. Dickison, Jimmy R. Massey, and C. Ritchie Bell, Vascular Plant Systematics, 1974, Harper & Row Publishers (cited here as RDMB), were provided by permission of the authors. All rights are reserved.
All other text and images contained within the University of North Carolina
OpenKey web site <http://www.ibiblio.org/openkey/>
and polyclave may be copied and reused, provided that you:
1) provide attribution citing the author or creator and the location (URL) of
the material in the OpenKey web site, and
2) use the material for noncommercial purposes only.
Any use not in keeping with these two conditions requires the express written permission of the University of North Carolina Herbarium <http://herbarium.unc.edu>.