About the Authors

Michael R. May

Affiliation Section of Ecology and Evolution, University of California Davis, Davis, California, United States of America

Mitchell C. Provance

Affiliation Department of Botany and Plant Sciences, University of California Riverside, Riverside, California, United States of America

Andrew C. Sanders

Affiliation Department of Botany and Plant Sciences, University of California Riverside, Riverside, California, United States of America

Norman C. Ellstrand

Affiliation Department of Botany and Plant Sciences and Center for Conservation Biology, University of California Riverside, Riverside, California, United States of America

Jeffrey Ross-Ibarra

rossibarra@ucdavis.edu

Affiliation Department of Plant Sciences, University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCP ACS NCE JRI. Performed the experiments: MCP ACS JRI. Analyzed the data: MRM JRI. Contributed reagents/materials/analysis tools: NCE. Wrote the paper: MRM MCP ACS NCE JRI.