Affiliation: | Smithsonian Conservation and Research Center, 1500 Remount Road, Front Royal, VA 22630, U.S.A., email;U.S. Forest Service Northeast Experiment Station, 203 Holdsworth Natural Resources Center, University of Massachusetts, Amherst, MA 01003, U.S.A.;Estación de Biología Chamela, Instituto de Biología, Universidad Nacional Autónoma de México, Apartado Postal 21, San Patricio, Jalisco, 22630, Mexico |