Professor, Faculty of Forestry, University of British Columbia

Professor of Biology, Dalhousie University

Department of Forest and Conservation Sciences, University of British Columbia

INRAE, UMR1202 BioGeCo: Biodiversity, Genes & Communities, Cestas, France

University of Texas at Austin, Department of Integrative Biology

University of Montana

Senior Research Fellow, Research Unit of Biodiversity

Professor emerita, Plant Ecology and Systematics, Lund University

University of Edinburgh

Professor, Michigan State University