1. Committee on Evolutionary Biology University of Chicago Chicago IL USA
2. Science & Education The Field Museum Chicago IL USA
3. Department of Botany Faculty of Science Kasetsart University Bangkok Thailand
4. Geological and Environmental Sciences Stanford University Stanford CA USA
5. Biology Department Whitman College Walla Walla WA USA
6. Departamento de Biología Vegetal II Facultad de Farmacia Universidad Complutense de Madrid Madrid Spain
7. Department of Biological Sciences North Dakota State University Fargo ND USA