About the Authors

Charles G. Willis, Brad R. Ruhfel, Charles C. Davis
Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Cambridge, Massachusetts, United States of America

Charles G. Willis
Department of Biology, Duke University, Durham, North Carolina, United States of America

Richard B. Primack
Department of Biology, Boston University, Boston, Massachusetts, United States of America

Abraham J. Miller-Rushing
USA National Phenology Network, Tucson, Arizona, United States of America

Abraham J. Miller-Rushing
The Wildlife Society, Bethesda, Maryland, United States of America

Jonathan B. Losos
Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Cambridge, Massachusetts, United States of America

Corresponding Author

cdavis@oeb.harvard.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CGW CD. Performed the experiments: CGW BRR RP AJMR JBL CD. Analyzed the data: CGW. Contributed reagents/materials/analysis tools: CD. Wrote the paper: CGW CD. Helped to revise the manuscript: RP AJMR JBL.