Erin Tripp is an assistant professor of ecology and evolutionary biology as well as curator of botany at the University of Colorado. Her works include Field Guide to the Lichens of White Rocks and publications in prestigious scientific journals, such as Trends in Ecology & Evolution, Journal of Biogeography, Systematic Botany, and Molecular Ecology.

James Lendemer is an assistant curator at the Institute of Systematic Botany, New York Garden. His works include Delmarva Lichens, An Illustrated Guide and publications in prestigious scientific journals, such as BioScience, Biodiversity & Conservation, The Bryologist, Mycologia, and the Journal of the Torrey Botanical Society.