About the Authors

Ye-Na Tang

Affiliation State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, China

Xiao Li

Affiliation School of Chinese Classics, Renmin University of China, Beijing, China

Yi-Feng Yao

lics@ibcas.ac.cn (CSL); yaoyf@ ibcas.ac.cn (YFY)

Affiliation State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, China

David Kay Ferguson

Affiliations Department of Paleontology, University of Vienna, Vienna, Austria, State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, China

Cheng-Sen Li

lics@ibcas.ac.cn (CSL); yaoyf@ ibcas.ac.cn (YFY)

Affiliation State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YNT YFY CSL. Performed the experiments: YNT YFY. Analyzed the data: YNT YFY DKF CSL. Contributed reagents/materials/analysis tools: XL CSL. Wrote the paper: YNT.