About the Authors

Petr Pyšek

pysek@ibot.cas.cz

Affiliations Department of Invasion Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Průhonice, Czech Republic, Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic

Vojtěch Jarošík

Affiliations Department of Invasion Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Průhonice, Czech Republic, Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic

Jan Pergl

Affiliations Department of Invasion Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Průhonice, Czech Republic, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PP. Analyzed the data: VJ. Contributed reagents/materials/analysis tools: PP JP. Wrote the paper: PP VJ. Collected data: PP.