About the Authors

Atsushi Ebihara

ebihara@kahaku.go.jp

Affiliation Department of Botany, National Museum of Nature and Science, Tsukuba-shi, Ibaraki, Japan

Joel H. Nitta

Affiliation Department of Integrative Biology, University of California, Berkeley, California, United States of America

Motomi Ito

Affiliation Departments of System Sciences, Graduate School of Arts and Sciences, University of Tokyo, Meguro-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AE MI. Performed the experiments: AE. Analyzed the data: JHN AE. Contributed reagents/materials/analysis tools: AE MI. Wrote the paper: AE JHN.