About the Authors

T. Jonathan Davies

j.davies@mcgill.ca

Affiliations National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, California, United States of America, Department of Biology, McGill University, Montreal, Quebec, Canada

Gideon F. Smith

Affiliations South African National Biodiversity Institute, Biosystematics Research and Biodiversity Collections, Pretoria, South Africa, Schweickerdt Herbarium, Department of Plant Science, University of Pretoria, Pretoria, South Africa

Dirk U. Bellstedt

Affiliation Department of Biochemistry, University of Stellenbosch, Stellenbosch, South Africa

James S. Boatwright

Affiliations Compton Herbarium, South African National Biodiversity Institute, Cape Town, South Africa, Department of Botany and Plant Biotechnology, University of Johannesburg, Johannesburg, South Africa

Benny Bytebier

Affiliations Department of Biochemistry, University of Stellenbosch, Stellenbosch, South Africa, Bews Herbarium, School of Biological and Conservation Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa

Richard M. Cowling

Affiliation Botany Department, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa

Félix Forest

Affiliation Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom

Luke J. Harmon

Affiliation Department of Biological Sciences, University of Idaho, Moscow, Idaho, United States of America

A. Muthama Muasya

Affiliation Department of Botany and Bolus Herbarium, University of Cape Town, Western Cape, Rondebosch, South Africa

Brian D. Schrire

Affiliation Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom

Yolande Steenkamp

Affiliation South African National Biodiversity Institute, Biosystematics Research and Biodiversity Collections, Pretoria, South Africa

Michelle van der Bank

Affiliation Department of Botany and Plant Biotechnology, University of Johannesburg, Johannesburg, South Africa

Vincent Savolainen

Affiliations Royal Botanic Gardens, Kew, Richmond, Surrey, United Kingdom, Imperial College London, Silwood Park Campus, Ascot, Berkshire, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: TJD RMC VS. Performed the experiments: TJD. Analyzed the data: TJD LJH. Contributed reagents/materials/analysis tools: GFS DUB JSB BB RMC FF LJH AMM BS YS MvdB VS. Wrote the paper: TJD VS.