Richard P. Wunderlin is professor emeritus of biology at the University of South Florida.Bruce F. Hansen is curator emeritus of biology at the University of South Florida Herbarium. Together, Wunderlin and Hansen have coauthored Flora of Florida, Volumes I–VI, and Guide to the Vascular Plants of Florida, third edition.Alan R. Franck is curator at Florida International University. With Richard P. Wunderlin and Bruce F. Hansen, he is coauthor of Flora of Florida, Volumes IV–VI, and the Atlas of Florida Plants website.