Table 6.

AMOVA and hierarchical analysis

	France/Spain	Weeds/volunteers
Source of variation (%)
Among groups	2.5	5.4
Among populations within groups	10.1	11.8
Within populations	87.4	82.8
Fixation indices
FST	0.126***	0.176***
FSC	0.104***	0.124***
FCT	0.025***	0.054*

^*P < 0.05

^***P < 0.001.