About the Authors
Department of Natural Resources Science, University of Rhode Island, Kingston, Rhode Island, United States of America
Department of Invasion Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Průhonice, Czech Republic
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KLD LAM. Performed the experiments: KLD. Analyzed the data: KLD. Contributed reagents/materials/analysis tools: KLD LAM. Wrote the paper: KLD LAM.