Department of Botany and Molecular Evolution, Senckenberg Research Institute, Senckenberganlage 25, D-60325 Frankfurt/Main, Germany, email: juraj.paule@ senckenberg.de; National Centre for Biosystematics, Natural History Museum, University of Oslo, Blindern 1172, NO-0318, Oslo, Norway; Department of Botany, Faculty of Science, Charles University in Prague, Benátská 2, CZ-128 01 Prague, Czech Re...

Benis Egoh⁎, Mathieu Rouget, Belinda Reyers, Andrew T. Knight, Richard M. Cowling, Albert S. van Jaarsveld, Adam Welz Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa b South African National Biodiversity Institute Private Bag x101, Pretoria 0001 Natural Resources and the Environment, Council for Scientific and In...

Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada (K.M., A.R.K.); Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (G.L.-T., G.H.); Institute of Botany, University of Basel, 4056 Basel, Switzerland (S.B.); Institute for Biology II, Botany/Plant Physiology, Albert-Ludwigs-University, D–79104 Frei...