Phylogenetic conservatism in plant phenology

T. Jonathan Davies*, Elizabeth M. Wolkovich, Nathan J. B. Kraft, Nicolas Salamin, Jenica M. Allen, Toby R. Ault, Julio L. Betancourt, Kjell Bolmgren, Elsa E. Cleland, Benjamin I. Cook, Theresa M. Crimmins, Susan J. Mazer, Gregory J. McCabe, Stephanie Pau, Jim Regetz, Mark D. Schwartz and Steven E. Travers Department of Biology, McGill University, Montreal, QC, Canada; Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada; Department of Biology, University of Maryland, College Park, MD 20742, USA; Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland; Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland; Department of Ecology & Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA; National Center for Atmospheric Research, Boulder, CO, USA; U.S. Geological Survey, Reston, VA, USA; Theoretical Population Ecology and Evolution, Lund University, Lund, Sweden; Swedish University of Agricultural Sciences, Swedish National Phenology Network, Lund, Sweden; Ecology, Behavior & Evolution Section, University of California San Diego, La Jolla, CA 92103, USA; NASA Goddard Institute for Space Studies, New York, NY, USA; Ocean and Climate Physics, Lamont-Doherty Earth Observatory, Palisades, NY, USA; USA National Phenology Network, Tucson, AZ, USA; Department of Ecology, Evolution and Marine Biology, University of California – Santa Barbara, Santa Barbara, CA 93106, USA; U.S. Geological Survey, Denver, CO, USA; Department of Geography, Florida State University, 113 Collegiate Loop, Tallahassee, FL 32306, USA; National Center for Ecological Analysis and Synthesis, Santa Barbara, CA, USA; Department of Geography, University of Wisconsin-Milwaukee, Milwaukee, WI, USA; and Department of Biological Sciences, North Dakota State University, Fargo, ND, USA