1. Department of Biological Sciences; University of New Orleans; New Orleans; LA; USA
2. Florida Museum of Natural History; University of Florida; Gainesville; FL; USA
3. Department of Biology; University of Florida; Gainesville; FL; USA
4. AG Biodiversitat und Evolution der Pflanzen; Institut fur Biologie und Umweltwissenschaften; Carl von Ossietzky-Universitat; Oldenburg; Germany
5. Institut Botànic de Barcelona (IBB - CSIC - ICUB); Barcelona; Spain