Geographical distribution of cytotypes in the Chrysanthemum indicum complex as evidenced by ploidy level and genome-size variation
Jing LI, Qian WAN, Richard J. ABBOTT, Guang-Yuan RAO
J Syst Evol . 2013, (2): 196 -204 .  DOI: 10.1111/j.1759-6831.2012.00241.x