Comparison of all species and high-impact species by sector.

<p>Only predictors (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0068678#pone-0068678-t001" target="_blank">Table 1</a>) that differed between sectors (see text) are included. Statistical analysis was only possible for environmental and pastoral weeds, and only for a subset of parameters (#). The most influential predictors are indicated in bold. Proportions are given in brackets.</p>*<p>mean ± SE.