Author Affiliations +
A. G. Wheeler Jr.,1 Dawn J. Flynn2
1(AGW) Department of Plant and Environmental Sciences, Clemson University, Clemson, South Carolina 29634-0310, USA (e-mail: )
2(DJF) Schiele Museum, 1500 East Garrison Blvd., Gastonia, North Carolina 28054, USA (e-mail: )