Table 1.

List of the specimen materials, DNA yields used in our study

Sample ID	Species	Family	Collection	Age	ng/ul	Volume (ul)	DNA yield (ng)
01	Manglietia fordiana	Magnoliaceae	19780402	39	0.894	36	32.184
02	Manglietia fordiana	Magnoliaceae	19541027	63	2.35	37	86.95
03	Schisandra henryi	Schisandraceae	19821108	35	1.87	33	61.71
04	Schisandra henryi	Schisandraceae	19840528	33	0.909	33	29.997
05	Phoebe neurantha	Lauraceae	1938	79	0.507	36	18.252
06	Cinnamomum bodinieri	Lauraceae	1960	57	2.26	36	81.36
08	Holboellia latifolia	Lardizabalaceae	1982	35	1.29	34	43.86
09	Chloranthus erectus	Chloranthaceae	1973	44	4.18	36	150.48
10	Sarcandra glabra	Chloranthaceae	1988	29	4.35	31.5	137.025
11	Meconopsis racemosa	Papaveraceae	1976	41	4.35	22	95.7
12	Macleaya microcarpa	Papaveraceae	1986	31	1.97	35.5	69.935
13	Hodgsonia macrocarpa	Cucurbitaceae	1982	35	2.18	34	74.12
14	Malus yunnanensis	Rosaceae	1939	78	0.834	35	29.19
15	Elaeagnus loureirii	Elaeagnaceae	1993	24	9.75	34	331.5
16	Rhododendron rex subsp. fictolacteum	Ericaceae	1979	38	8.15	20.5	167.075
17	Swertia bimaculata	Gentianaceae	19840823	33	1.67	35	58.45
18	Primula sinopurpurea	Primulaceae	19400907	77	0.974	32	31.168
19	Paederia scandens	Araceae	19550331	62	0.344	34	11.696
20	Colocasia esculenta	Araceae	19741001	43	1.46	36	52.56
21	Pholidota chinensis	Orchidaceae	1959	58	0.107	34	3.638
22	Otochilus porrectus	Orchidaceae	1990	27	0.344	35	12.04
23	Indosasa sinica	Poaceae	2007	10	1.65	35	57.75
24	Camellia gymnogyna	Theaceae	19340617	83	0.417	36	15.012
25	Camellia sinensis var. assamica	Theaceae	2002	15	4.03	23	92.69
26	Panicum incomtum	Poaceae	20001017	17	1.63	36	58.68

All vouchers are deposited in the herbarium of the Kunming Institute of Botany (KUN)