Table 1.

Effect of latitude and species on (a) distance-controlled genetic population differentiation and (b) geographical distance in plant species.

	d.f.	F	p
(a)
latitude	1	6.76	0.012
species	44	6.23	<0.001
(b)
latitude	1	2.35	0.132
species	44	13.33	<0.001