Table 1. Details of sample locations and sample sizes of 20 T. himalayanum populations.

POP	Locality	Voucher no.	Latitude (N)	Longitude (E)	Altitude (m)	Sample size	Haplotypes (no. of individuals)
P1	Yadong, T	Chen2013450	27°45′	88°58′	3,065	6	H10(6)
P2	Yadong, T	Chen2014519	27°38′	89°02′	4,200	5	H16(5)
P3	Yadong, T	Chen2014520	27°26′	88°55′	2,915	16	H16(16)
P4	Yadong, T	Chen2013464	27°37′	89°07′	4,771	12	H16(12)
P5	Luozha, T	Chen2013390	28°05′	91°05′	4,249	8	H12(8)
P6	Cuona, T	Chen2014443	27°48′	91°59′	3,720	4	H16(4)
P7	Luozha, T	Chen2014305	29°42′	94°44′	3,500	19	H5(9) H6(10)
P8	Xianggelila, YN	Chen2012111	27°54′	99°38′	3,380	18	H2(13) H7(2) H8(1) H9(1) H14(1)
P9	Xianggelila, YN	Chensl1849	27°38′	99°40′	3,580	12	H7(1) H8(3) H15(8)
P10	Yulong, YN	Chensl1846	27°03′	100°12′	3,420	15	H1(2) H4(11) H11(1) H13(1)
P11	Xianggelila, YN	Chen2013578	27°54′	99°44′	3,331	20	H2(15) H3(1) H7(2) H14(2)
P12	Yanyuan, SC	Chen2013519	27°41′	101°13′	3,240	4	H7(2) H14(1) H17(1)
P13	Luhuo, SC	Chen2013129	31°10′	100°53′	3,080	7	H14(7)
P14	Luhuo, SC	Chen06310	31°09′	100°54′	3,060	10	H14(10)
P15	Daofu, SC	Chensl1879	30°52′	101°15′	3,380	16	H14(16)
P16	Danba, SC	Chensl1881	30°32′	101°35′	3,810	25	H14(24) H18(1)
P17	Danba, SC	Chen06127	30°33′	101°38′	3,410	17	H14(11) H18(6)
P18	Hongyuan, SC	Chensl1840	31°50′	102°41′	3,370	12	H14(12)
P19	Maoxian, SC	Chen06084	31°40′	103°56′	3,500	4	H19(4)
P20	Langao, SX	Zhang2015014	32°17′	109°04′	2,130	8	H19(8)

Notes:

For each population, haplotype composition (H1–H19) is indicated.

YN, Yunnan; SC, Sichuan; SX, Shaanxi; T, Tibet.