Disclaimer: Supplementary materials have been peer-reviewed but not copyedited.

evo12085-sup-0001-TableS1.doc46KTable S1. Pairwise comparisons of FST between populations of Epidendrum denticulatum in southeastern and northeastern Brazil based on nuclear (above diagonal) and plastid (below diagonal) microsatellites.
evo12085-sup-0002-TableS2.doc235KTable S2. Intrapopulation (7) and interpopulation (36) crossing treatments performed with 38 different Epidendrum denticulatum individuals (total of 154 crosses), and the proportion of viable seeds from each experiment.
evo12085-sup-0003-TableS3.doc41KTable S3. Mean postzygotic isolation indices based on seed set results from reciprocal crosses among different Epidendrum denticulatum populations.
evo12085-sup-0004-FigureS1.pdf563KFigure S1. Map showing the current distribution of Epidendrum denticulatum in southeastern and northeastern Brazil, including the main vegetation domains where populations were sampled.
evo12085-sup-0005-FigureS2.pdf409KFigure S2. Magnitude of ΔK from STRUCTURE analysis as a function of K, calculated according to the simulations described by Evanno et al. (2005).

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