Variation in the values of homogenization index among the studied habitat types showing the diversification (div) or homogenization (hom) effect of alien species on species composition similarity.

<p>Differences between Jaccard similarities based on all and native species were tested using paired Wilcoxon test; significance: **, p < 0.01; ***, p < 0.001; n.s., not significant. div = diversification, hom = homogenization. For numbers of pairwise comparisons for each habitat type see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0071783#pone-0071783-g005" target="_blank">Figure 5</a>.</p>