Table 1.

Phylogenetic statistics for various groups of isolates within clade C4.

Groups of isolates	Phylogeographic model, with BSSVS		Phylogeographic model, without BSSVS		No phylogeographic model
	Monophyly probability	TMRCA⁎ (95% HPD interval)	Monophyly probability	TMRCA⁎ (95% HPD interval)	Monophyly probability	TMRCA⁎ (95% HPD interval)
Japan and Korea	1.00	0.21 (0.15, 0.27)	1.00	0.21 (0.15, 0.27)	1.00	0.22 (0.16, 0.29)
Europe	<0.001	0.34 (0.26, 0.44)	<0.001	0.35 (0.26, 0.44)	<0.001	0.37 (0.28, 0.457)
Russia and Europe	<0.01	0.38 (0.29, 0.47)	<0.01	0.38 (0.30, 0.46)	<0.01	0.38 (0.30, 0.464)
Europe, Japan and Korea	0.62	0.34 (0.26, 0.44)	0.55	0.35 (0.26, 0.44)	0.28	0.37 (0.28, 0.46)
Russia, Japan and Korea	0	0.38 (0.29, 0.47)	0	0.37 (0.23, 0.46)	0	0.37 (0.29, 0.46)

BSSVS = Bayesian stochastic search variable selection.

^⁎Years before 30th December 2014.