摘要
In 2009,the Consortium for the Barcode of Life(CBOL) recommended the combination of rbcL and matK as the plant barcode based on assessments of recoverability,sequencing quality,and levels of species discrimination.Subsequently,based on a study of more than 6600 samples belonging to 193 families from seven phyla,the internal transcribed spacer(ITS) 2 locus was proposed as a universal barcode sequence for all major plant taxa used in traditional herbal medicine.Neither of these two studies was based on a deta...