1. 2Department of Botany, University of Florida, Gainesville, Florida 32611 USA;
2. 3The Natural History Museums and Botanical Garden, University of Oslo, P.O. Box 1172 Blindern, NO‐0318 Oslo, Norway;
3. 4Molekylärsystematiska laboratoriet, Naturhistoriska riksmuseet, Box 50007, SE‐104 05 Stockholm, Sweden;
4. 5Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611 USA