About the Authors

Roswitha Schmickl

Affiliation Department of Biodiversity and Plant Systematics, Centre for Organismal Studies (COS) Heidelberg, University of Heidelberg, Heidelberg, Germany

Juraj Paule

Affiliation Senckenberg Research Institute, Frankfurt am Main, Germany

Johannes Klein

Affiliation Institut für Spezielle Botanik und Botanischer Garten, Johannes Gutenberg University of Mainz, Mainz, Germany

Karol Marhold

Affiliation Department of Vascular Plant Taxonomy, Institute of Botany SAS, Bratislava, Slovakia

Marcus A. Koch

marcus.koch@cos.uni-heidelberg.de

Affiliation Department of Biodiversity and Plant Systematics, Centre for Organismal Studies (COS) Heidelberg, University of Heidelberg, Heidelberg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAK RS. Performed the experiments: RS JP JK. Analyzed the data: RS JP JK MAK. Wrote the paper: RS MAK JP JK KM.