Table 1.

Germplasms of Rehmannia used in this study and accession number of candidate barcodes.

No.	Chinese name	Species name	Location	GenBank Acc. No.
				ITS	ITS2	matK	rbcL	psbA-trnH
1	Shangzuo1	R. glutinosa	WIAS	KX361133	KX361133	KX347929	KY441581	KY488689
2	Shangxibeixiang	R. glutinosa	WIAS	KX361134	KX361134	KX347930	KY441582	KY488690
3	Jinxiandiaoyu	R. glutinosa	WIAS	KX361135	KX361135	KX347931	KY441583	KY488691
4	Mixianyesheng	R. glutinosa	WIAS	KX361136	KX361136	KX347932	KY441584	KY488692
5	Guolimao	R. glutinosa	WIAS	FJ770223	FJ770223	KX347933	KY441585	KY488693
6	Hongshuwang	R. glutinosa	WIAS	KX361137	KX361137	KX347934	KY441586	KY488694
7	9302	R. glutinosa	WIAS	EU787018	EU787018	KX347935	KY441587	KY488695
8	Kangyu831	R. glutinosa	WIAS	FJ770230	FJ770230	KX347936	KY441612	KY488696
9	Guoxianshouji	R. glutinosa	WIAS	KX361138	KX361138	KX347937	KY441588	KY488697
10	Huanghouza	R. glutinosa	WIAS	KX361139	KX361139	KX347938	KY441589	KY488698
11	Beijing 3	R. glutinosa	WIAS	FJ770244	FJ770244	KX347939	KY441590	KY488699
12	Yesheng	R. glutinosa	WIAS	KX361140	KX361140	KX347940	KY441591	KY488700
13	Sankuai	R. glutinosa	WIAS	FJ770235	FJ770235	KX347941	KY441592	KY488701
14	Xiuwufangzhuang	R. glutinosa	WIAS	KX361141	KX361141	KX347942	KY441613	KY488712
15	Wenhuai	R. glutinosa	WIAS	KX361142	KX361142	KX347943	KY441593	KY488702
16	Beijing2	R. glutinosa	WIAS	FJ770219	FJ770219	KX347944	KY441594	KY488703
17	Jinzhuangyuan	R. glutinosa	WIAS	KX361143	KX361143	KX347945	KY441595	KY488704
18	Fanshandihuang	R. glutinosa	WIAS	KX361144	KX361144	KX347946	KY441596	KY488705
19	Shizitou	R. glutinosa	WIAS	FJ770243	FJ770243	KX347947	KY441597	KY488706
20	Shangzuo2	R. glutinosa	WIAS	KX361145	KX361145	KX347948	KY441598	KY488707
21	Zhangsi961	R. glutinosa	WIAS	KX361146	KX361146	KX347949	KY441599	KY488708
22	Zhangsi901	R. glutinosa	WIAS	KX361147	KX361147	KX347950	KY441600	KY488709
23	Jinjiu	R. glutinosa	WIAS	KX361148	KX361148	KX347951	KY441601	KY488710
24	Dihuang	R. glutinosa	JCJSC	KX361149	KX361149	KX347953	KY441602	KY488713
25	Dihuang	R. glutinosa	MWCJSC	KX361150	KX361150	KX347954	KY441603	KY488714
26	Dihuang	R. glutinosa	MTTCJSC	KX361151	KX361151	KX349706	KY441604	KY488715
27	Dihuang	R. glutinosa	HNUXHC	KX361152	KX361152	KX347952	KY441605	KY488711
28	Dihuang	R. glutinosa	LCHC	KX348047	KX348047	KX349707	KY441606	KY488716
29	Lieyedihuang	R. piasezkii	ECNUSC	KX361157	KX361157	KX349708	KY441611	KY488721
30	Dihuang	R. glutinosa	SDLHC	KX361153	KX361153	KX349709	KY441607	KY488717
31	Dihuang	R. glutinosa	WHC	KX361154	KX361154	KX349710	KY441608	KY488718
33	Dihuang	R. glutinosa	HCHC	KX361155	KX361155	KX349711	KY441609	KY488719
34	Dihuang	R. glutinosa	SDXHC	KX361156	KX361156	KX349712	KY441610	KY488720

WIAS: Wenxian institute of agricultural sciences, Henan, China; JCJCSC: Junbu, Changqing district, Jinan, Shandong, China; MWCJSC: Mount Wenchang, Changqing district, Jinan, Shandong, China; MTTCJSC: Mount Tai, Taian County, Jinan, Shandong, China; ECNUSC: East China Normal University, Shanghai, China; HNUXHC: Henan Normal University, Xinxiang, Henan, China; LCHC: Lingbao County, Henan, China; SDLHC: Suburban district, Luohe, Henan, China; WHC: Weihui, Henan, China; HCHC: Hui County, Henan, China; SDXHC: Suburban district, Xinxiang, Henan, China.