Articles or books by two or more authors are cited as follows. When there are two authors, citation is alphabetical after the second author's name. When there are three or more authors, references are cited in the body of the text as (e.g.) Chase et al. 2000a, 2000b, 2000c, and are listed following these sometimes alphabetically qualified dates of publication immediately after all the single- or two-authored articles by the first author.

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Inda, L. A. [et al. 2012], Pimental, M., & Chase, M. W. 2012. Phylogenetics of tribe Orchideae (Orchidaceae: Orchidoideae) based on combined DNA matrices: Inferences regarding timing of diversificatiion and evolution of pollination syndromes. Ann. Bot. 110: 71-90.

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