Fabienne Van Rossum
Meise Botanic Garden
Nieuwelaan 38, BE-1860 Meise, Belgium
E-mail: fabienne.vanrossum@botanicgardenmeise.be
Lynda F. Delph
Department of Biology
Jordan Hall, 1001 East Third Street, Indiana University, Bloomington, IN 47405, U.S.A.
E-mail: ldelph@indiana.edu
Sophie Karrenberg
Uppsala University,
Evolutionary Biology Center, Dept. of Ecology and Genetics, Plant Ecology and Evolution, Norbyvägen 18 D, 752 36 Uppsala, Sweden
E-mail: sophie.karrenberg@ebc.uu.se