About the Authors

Marguerite Blignaut

Affiliation Centre for Invasion Biology, Stellenbosch University, Stellenbosch, Western Cape, South Africa

Allan G. Ellis

Affiliation Department of Botany and Zoology, Stellenbosch University, Stellenbosch, Western Cape, South Africa

Johannes J. Le Roux

jleroux@sun.ac.za

Affiliation Centre for Invasion Biology, Stellenbosch University, Stellenbosch, Western Cape, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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