DNA barcoding plants in biodiversity hot spots: Progress and outstanding questions

Using matK alone, or in combination with trnH-psbA, Lahaye et al reported that over 90% of species could be discriminated (multiple individuals of species resolved as monophyletic). Although both the final choice of a barcoding region and the percentage of plant species that will be distinguishable by organelle barcoding remain to be determined, this study provides useful data toward these topics.