Results of ANOVA (<i>F-</i>values, probabilities and R-squared) for the effects of substrate, species and their interaction on leaf traits.

<p>***, <i>P</i><0.0001; **, <i>P</i><0.01; *, <i>P</i><0.05; ^NS, not significant. Abbreviations in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0096034#pone-0096034-t001" target="_blank">Table 1</a>.</p><p>Differences between serpentine (<i>Serp</i>) and non-serpentine (<i>Non-serp</i>) substrate types are presented.