Table 2.

Summary of the multivariate analyses using constrained PCoA (db-RDA) applied to environmental variables recorded in populations of Veronica subsect. Pentasepalae

Model	Trace (first first axis)	F	P
Overall model	1.212	5.93	<0.001
2x vs. 4x	0.161	1.819	0.047
2x vs. 6x	0.969	11.638	<0.001
2x vs. 8x	0.759	9.441	<0.001
4x vs. 6x	0.384	4.596	<0.001
4x vs. 8x	0.195	2.346	0.016
6x vs. 8x	0.148	1.851	0.046

Significance level was assessed by an ANOVA-like permutation test by which the environmental matrix was randomly permuted 999 times.

P-values in bold are significant after Bonferroni correction (P < 0.001).