Box-and-whisker plot of (a) the dissimilarity and (b) the flowering duration of natives (N) and aliens (A).

<p>The band in each box, the bottom and the top of the box, and the ends of the whiskers represent the median, the 25th and 75th percentiles, and 1st and 99th percentiles, respectively. Small circles are outliers. <i>n</i> = 212 and 32 for natives and aliens, respectively. Symbols show (<b>a</b>) the adjusted <i>P</i> values of randomization test 3 and (<b>b</b>) the <i>P</i> value of GLM (†, <i>P</i> < 0.10; *, <i>P</i> < 0.05; ****, <i>P</i> < 0.0001).