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History
- June 19, 2019.
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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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- aUniversity Herbarium and Department of Integrative Biology, University of California, Berkeley, CA, 94720, USA
- bSmithsonian National Museum of Natural History, West Loading Dock, 10th and Constitution Avenue, NW, Washington, DC 20560-0166, USA
- cSchool of Integrative Plant Sciences and L.H. Bailey Hortorium, Cornell University, Ithaca, New York, 14853 USA
- ↵*Corresponding author: Joyce G. Chery; joycegchery{at}gmail.com