9CBOL Plant Working Group. A DNA barcode for land plants. ProcNatl Acad Sci USA, 2009, 106(31):12794-12797.
10Chen S L, Yao H, Han J P, et al. Validation of the ITS2 regionas a novel DNA barcode for identifying medicinal plants species.PLoS One, 2010, 5(l):e8613.