Table 1.

List of strains used in this study.

Phylogenetic group	Year	Strains	Source
Group 1	1991	Xp91-118	Potnis et al., 2011
	2006	Xp4B, Xp4-20, Xp5-6, Xp11-2, Xp15-11, Xp18-15	Schwartz et al., 2015
	2012	GEV872, GEV893, GEV904, GEV909, GEV915, GEV917, GEV936, GEV940, GEV968, GEV993, GEV1026	Schwartz et al., 2015
Group 2	2006	Xp3-15, Xp7-12, Xp8-16, Xp9-5, Xp10-13	Schwartz et al., 2015
	2010	Xp2010
	2012	GEV839, GEV1001, GEV1044, GEV1054, GEV1063
	2013	TB6, TB9, TB15
	2015/16	GEV1921, GEV1989, GEV2004, GEV2009, GEV2015, GEV2049, GEV2063, GEV2098, GEV2115, GEV2116, GEV2117, GEV2120, GEV2129, GEV2132, GEV2135	This study
Group 3	2006	Xp17-12	Schwartz et al., 2015
	2015/16	GEV2010, GEV2097, GEV2112, GEV2121, GEV2122, GEV2124, GEV2125, GEV2127, GEV2130, GEV2134	This study