Douglas Soltis and Pamela Soltis are distinguished professors in the Florida Museum of Natural History at the University of Florida. Together, they are coeditors of Polyploidy and Genome Evolution and, with Jeff J. Doyle, MolecularSystematics of Plants II: DNA Sequencing. Peter Endress is professor emeritus of botany at the University of Zurich. He is the author of Diversity and Evolutionary Biology of Tropical Flowers coeditor of Early Evolution of Flowers. Mark Chase is director of the Jodrell Laboratory at the Royal Botanic Gardens, Kew. He is the author of Orchids: The Pictorial Encyclopedia of Oncidium. Steven Manchester is curator in the Division of Paleobotany at the Florida Museum of Natural History and one of the leading paleobotanists in the world. Walter Judd is professor in the Florida Museum of Natural History. He is coauthor of Plant Systematics: A Phylogenetic Approach. Lucas Majure is a biologist of new world succulents at the Desert Botanical Garden in Arizona. Evgeny Mavrodiev is an associate scientist at the Florida Museum of Natural History and in the Department of Biology at the University of Florida.