26Department of Biology, Utah State University, Logan, UT, United States.25Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, NC, United States.24Department of Biology, University of Massachusetts Amherst, Amherst, MA, United States.23Department of Botany and Biodiversity Research Centre, The University of British Columbia, Vancouver, BC, Canada.22Department of Anthropology, Department of Ecology and Evolutionary Biology, Program in the Environment, and School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, United States.21TREE Foundation, Sarasota, FL, United States.20Department of Biological Sciences, National University of Singapore, Singapore, Singapore.19Biodiversity Monitoring and Assessment, Royal Belgian Institute of Natural Sciences, and Evolutionary Biology, and Ecology and Université Libre de Bruxelles, Brussels, Belgium.18Myerscough College, Preston, United Kingdom.17Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico.16Grupo de Investigación en Biodiversidad, Medio Ambiente y Salud-BIOMAS- Universidad de las Américas, Quito, Ecuador.15National Ecological Observatory Network, Battelle, Boulder, CO, United States.14Geosciences and Natural Resources Department, Western Carolina University, Cullowhee, NC, United States.13Department of Botany, University of Tartu, Tartu, Estonia.12School of Ecology and Environmental Science, Yunnan University, Kunming, China.11Laboratory of Geo-Information Science and Remote Sensing, Wageningen University and Research, Wageningen, Netherlands.10Instituto de Investigaciones de la Amazonia Peruana (IIAP), Iquitos, Peru.9UK Centre for Ecology & Hydrology, Penicuik, United Kingdom.8Department of Biology, Washington University in Saint Louis, Saint Louis, MO, United States.7Department of Biology, University of Louisville, Louisville, KY, United States.6Department of Biological Sciences, DePaul University, Chicago, IL, United States.5Department of Mechanical Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.4School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom.3Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, United States.2Canopy Watch International, Boise, ID, United States.1Center for Tree Science, The Morton Arboretum, Lisle, IL, United States.

Weintraub-Leff 15, Alexis Lussier Desbiens 5 and Matthew Spenko 31 Hirons 18, Chai-Shian Kua 1, Hughes La Vigne 5, Maurice Leponce 19, Jun Ying Lim 20, Margaret Lowman 21, Andrew J. Dell 14, David Durden 15, Juan Ernesto Guevara Andino 16, Rebeca Hernández-Gutiérrez 17, Andrew D. Banin 9, Ximena Tagle Casapia 10,11, Xi Chen 12, Polina Degtjarenko 13, Jane E. Richards 7, Ethan Abercrombie 8, Lindsay F. Anderson 2, Gabriel Arellano 3, Martin Barker 4, Guillaume Charron 5, Jalene M.

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