About the Authors

Emma J. Sayer

To whom correspondence should be addressed. E-mail: ejs44@cam.ac.uk

Affiliations Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom, Smithsonian Tropical Research Institute, Balboa, Ancon, Panama, Republic of Panama

Jennifer S. Powers

Affiliations Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, Minnesota, United States of America, Department of Plant Biology, University of Minnesota, St. Paul, Minnesota, United States of America, Department of Soil, Water and Climate, University of Minnesota, St. Paul, Minnesota, United States of America

Edmund V. J. Tanner

Affiliation Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ES ET. Performed the experiments: ES. Analyzed the data: ES. Contributed reagents/materials/analysis tools: JP. Wrote the paper: ES JP ET.