About the Authors

Celine Caseys

celine.caseys@gmail.com

Affiliations Unit of Ecology and Evolution, Department of Biology, University of Fribourg, Fribourg, Switzerland, Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, Canada

Christoph Stritt

Affiliation Unit of Ecology and Evolution, Department of Biology, University of Fribourg, Fribourg, Switzerland

Gaetan Glauser

Affiliation Neuchâtel Platform of Analytical Chemistry, Faculty of science, University of Neuchâtel, Neuchâtel, Switzerland

Thierry Blanchard

Affiliation Unit of Ecology and Evolution, Department of Biology, University of Fribourg, Fribourg, Switzerland

Christian Lexer

Affiliations Unit of Ecology and Evolution, Department of Biology, University of Fribourg, Fribourg, Switzerland, Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria

Competing Interests

The authors have declared that no competing interests exist

Author Contributions

Conceived and designed the experiments: CC CL. Performed the experiments: CC GG CS TB. Analyzed the data: CC CS CL. Contributed reagents/materials/analysis tools: CL GG. Wrote the paper: CC CL. Revision of the manuscript: CC CL GG CS TB.