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Center A, Etterson JR, Deacon NJ, Cavender-Bares J.Center A, et al. Among authors: etterson jr.Am J Bot. 2016 Aug;103(8):1407-19. doi: 10.3732/ajb.1500389. Epub 2016 Aug 18.Am J Bot. 2016.PMID: 27539263Free article.