Fig 1.
Sampling sites of medicinal plants in South China.
Provinces of sampling sites are shadowed in the small map of China.
Table 1.
PCR success rates of ITS2 in this study.
Fig 2.
Box plots of the ITS2 barcodes length of southern herbs.
The box plot illustrates the interquartile range (IQR) of the data. The IQR is defined as the difference between the 75th percentile and the 25th percentile. The line through the box represents the median length.
Fig 3.
Box plots of the GC contents of ITS2 barcodes of southern herbs.
The box plot illustrates the IQR of the data. The IQR is defined as the difference between the 75th percentile and the 25th percentile. The line through the box represents the median GC contents.
Fig 4.
Scatter plots of maximum intraspecific K2P distance VS minimum distance to the nearest neighbor based on ITS2 barcodes.
Table 2.
Summary of K2P pairwise genetic distances (%) at different taxonomic levels.
Table 3.
Identification success rates of ITS2 through the BLAST method.