1. Chicago Botanic Garden Negaunee Institute for Plant Conservation Science and Action, 1000 Lake Cook Road Glencoe Illinois 60022 U.S.A.
2. Northwestern University, Plant Biology and Conservation Program 2205 Tech Dr., Evanston Illinois 60208 U.S.A.
3. Singapore Botanic Gardens National Parks Board 1 Cluny Road 259569 Singapore
4. International Center for Tropical Botany, Institute of Environment, Department of Biological Sciences Florida International University 11200 SW 8th Street, OE 148 Miami Florida 33199 U.S.A. (current affiliation)
5. American Museum of Natural History Sackler Institute for Comparative Genomics 200 Central Park West, New York New York 10024 U.S.A.
6. Laboratoire Ecologie Systématique Evolution Univ. Paris‐Sud, CNRS, AgroParisTech, Université Paris‐Saclay 91400 Orsay France
7. Key Laboratory of Systematic and Evolutionary Botany Chinese Academy of Sciences Beijing China
8. National Herbarium of New South Wales (NSW) Royal Botanic Gardens and Domain Trust Sydney Australia
9. Identification & Naming Department Royal Botanic Gardens Kew TW9 3AE U.K.