About the Authors
- Stefan A. Little, Peter Wilf
- Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania, United States of America
- Stefan A. Little
- Department of Plant Sciences, University of California Davis, Davis, California, United States of America
- Steven W. Kembel
- Center for Ecology and Evolutionary Biology, University of Oregon, Eugene, Oregon, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SAL SWK PW. Analyzed the data: SWK. Contributed reagents/materials/analysis tools: SAL. Wrote the paper: SAL SWK PW. Compiled File S1: PW.