Figure 6From: Evaluation of seven DNA barcodes for differentiating closely related medicinal Gentiana species and their adulterantsK2P distance NJ tree for ITS. A consensus NJ tree for ITS of Gentiana and P. hexandrum assessed with 1000 bootstrap replicates was constructed by bootstrap analyses with the bootstrap values indicated at the branches (bootstrap values of less than 50 are not shown).Back to article page