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Peter F Stevens Author

Walter S. Judd is a Professor in the Department of Biology at the University of Florida.

Christopher S. Campbell is a Professor of Plant Systematics in the School of Biology and Ecology at the University of Maine.

Elizabeth A. Kellogg is the E. Desmond Lee Professor in the Department of Biology at the University of Missouri, St. Louis.

Peter F. Stevens is a Professor in the Department of Biology at the University of Missouri, St. Louis and Curator of the Missouri Botanical Garden.

Michael J. Donoghue is the G. Evelyn Hutchinson Professor in the Department of Ecology and Evolutionary Biology at Yale University.