Table 1. Sample and genetic variation information for 16 populations of Tugarinovia mongolica in northwest China.

Species name	Population	Sample Location	Latitude/Longitude(N/E)	Altitude(m)	N	Haplotypes	Hd(±SD)	π(±SD)
	Overall				219	17	0.9086±0.0070	0.0092±0.0047
	NG	North Group			139	11	0.8250±0.0148	0.0065±0.0034
	1 HLT	Hailiutu,NM	41.60°/108.51°	1346	11	H1	0	0
	2 DLS	Delingshan,NM	41.29°/108.67°	1120	10	H1	0	0
	3 CJSM	Chuanjinsumu,NM	41.89°/108.22°	1336	12	H1,H2,H3	0.6818±0.0910	0.0055±0.0032
	4 BYH	Bayinhua,NM	42.13°/110.05°	1267	22	H4	0	0
T. mongolica	5 BYHT	Bayinhatai,NM	41.54°/108.66°	1341	16	H2	0	0
	6 SQ	Shuiquan,NM	41.31°/108.43°	1047	12	H1,H2	0.1667±0.1343	0.0015±0.0011
	7 SZ	Saizhen,NM	41.54°/106.95°	1582	15	H5	0	0
	8 BYT	Baoyintu,NM	41.71°/106.99°	1396	16	H1,H5,H6	0.5750±0.0799	0.0012±0.0009
	9 WLJ	Wuliji,NM	40.82°/104.47°	1448	11	H5,H7,H8	0.6909±0.0861	0.0041±0.0026
	10 YG	Yingen,NM	40.80°/104.79°	1338	14	H1,H5,H7,H8,H9,H10,H11	0.8462±0.0742	0.0131±0.0071
T. mongolica var. ovatifolia	SG	South Group			80	6	0.8408±0.0085	0.0045±0.0025
	11 LSM	Lashenmiao,NM	39.29°/106.83°	1134	11	H12	0	0
	12 DZT	Dizhentai,NM	39.68°/106.85°	1172	13	H13	0	0
	13 BRBL	Barunbieli,NM	38.39°/105.72°	1576	17	H14	0	0
	14 QPJ	Qipanjing,NM	39.47°/107.08°	1426	13	H15	0	0
	15 QLG	Qianligou,NM	39.80°/107.01°	1518	13	H16	0	0
	16 HBW	Haibowan,NM	39.65°/106.85°	1178	13	H17	0	0

Hd: haplotype diversity, π: nucleotide diversity. Bold letters indicate that the population has high genetic diversity.