DNA barcoding in closely related species: A case study of Primula L. sect. Proliferae Pax (Primulaceae) in China
Hai-Fei YAN, Gang HAO, Chi-Ming HU, Xue-Jun GE
Journal of Systematics and Evolution . 2011, (3): 225 -236 .  DOI: 10.1111/j.1759-6831.2011.00115.x