Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas
Jian-Wen ZHANG, Ze-Long NIE, Hang SUN
J Syst Evol . 2009, (3): 226 -230 .  DOI: 10.1111/j.1759-6831.2009.00024.x