Warming shortens flowering seasons of tundra plant communities.

• Prevéy JS Pacific Northwest Research Station, US Forest Service, US Department of Agriculture, Olympia, WA, USA. jprevey@fs.fed.us.
• Rixen C WSL Institute for Snow and Avalanche Research, Davos, Switzerland.
• Rüger N German Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, Leipzig, Germany.
• Høye TT Department of Bioscience and Arctic Research Centre, Aarhus University, Aarhus, Denmark.
• Bjorkman AD Ecoinformatics and Biodiversity, Department of Bioscience, Aarhus University, Aarhus, Denmark.
• Myers-Smith IH University of Edinburgh, Edinburgh, Scotland.
• Elmendorf SC Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO, USA.
• Ashton IW Northern Great Plains Inventory and Monitoring Network, National Park Service, Rapid City, SD, USA.
• Cannone N Department of Science and High Technology, Università degli Studi dell'Insubria, Como, Italy.
• Chisholm CL WSL Institute for Snow and Avalanche Research, Davos, Switzerland.
• Clark K Environment and Natural Resources, Government of the Northwest Territories, Yellowknife, Northwest Territories, Canada.
• Cooper EJ Institute for Arctic and Marine Biology, UiT - The Arctic University of Norway, Tromsø, Norway.
• Elberling B Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark.
• Fosaa AM Faroese Museum of Natural History, Hoyvík, Faroe Islands.
• Henry GHR Department of Geography, University of British Columbia, Vancouver, British Columbia, Canada.
• Hollister RD Biology Department, Grand Valley State University, Allendale, MI, USA.
• Jónsdóttir IS Institute of Life and Environmental Sciences, University of Iceland, Reykjavík, Iceland.
• Klanderud K Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway.
• Kopp CW Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.
• Lévesque E Université du Québec à Trois-Rivières, Trois-Rivieres, Québec, Canada.
• Mauritz M Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, USA.
• Molau U Department of Biology and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden.
• Natali SM Woods Hole Research Center, Falmouth, MA, USA.
• Oberbauer SF Department of Biological Sciences, Florida International University, Miami, FL, USA.
• Panchen ZA Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada.
• Post E Department of Wildlife, Fish and Conservation Biology, University of California, Davis, Davis, CA, USA.
• Rumpf SB Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria.
• Schmidt NM Department of Bioscience and Arctic Research Centre, Aarhus University, Aarhus, Denmark.
• Schuur E Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, USA.
• Semenchuk PR Institute for Arctic and Marine Biology, UiT - The Arctic University of Norway, Tromsø, Norway.
• Smith JG Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO, USA.
• Suding KN Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO, USA.
• Totland Ø Department of Biological Sciences, University of Bergen, Bergen, Norway.
• Troxler T Department of Biological Sciences, Florida International University, Miami, FL, USA.
• Venn S Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Geelong, Victoria, Australia.
• Wahren CH Research Centre for Applied Alpine Ecology, La Trobe University, Melbourne, Victoria, Australia.
• Welker JM UArctic and University of Oulu, Oulu, Finland.
• Wipf S WSL Institute for Snow and Avalanche Research, Davos, Switzerland.

Climate Change

Flowers

Plant Development

Seasons

Temperature

Tundra