Table 2.

Descriptions of wheat and rice clusters identified using hierarchical clustering model analysis

	Cluster	Number of lines	Originsa	Representative line
Wheat	C1	516	NY, Ont, OH, MI	Ancestral varieties
	C2	350	NY, Ont, China	Harus/Houser/SuMei
	C3	154	NY, MI, OH, IN, VA	Elite Eastern
	C4	107	NY	Geneva/Caledonia
Rice	C1	145	IN, CH, PH, BR,	Indica/Aus
	C2	127	US, BR, AR, CO, NI	Tropical Japonica
	C3	99	UE, JA, CH	Temperate Japonica

NY New York, Ont Ontario, OH Ohio, MI, Michigan, IN Indiana, VA Virginia, IN Indica, CH China, PH Philippines, BR Brasil, US United Stated, AR Argentina, CO Congo, NI Nigeria, EU European Union, JA Japan

^aBased on Zhao et al. (2011)