1. Department of Biology, University of Florida, 220 Bartram Hall, Gainesville, FL 32611-8525
2. Jardín Botánico Nacional, Universidad de La Habana, Carretera “El Rocío” Km 3.5, Calabazar, Boyeros, CP 19230, La Habana, Cuba
3. Florida Museum of Natural History, University of Florida, Gainesville, FL 32611-7800