Xianlan Deng

Karyotype and cytogeography of the genus Heracleum (Apiaceae) in the Hengduan Mountains

Weizhi He, Yundong Gao, Xingjin He, 2009 .

Phylogeny and biogeography of Chinese Heracleum (Apiaceae tribe Tordylieae) with comments on their fruit morphology

S. Downie, Xingjin He, Yan Yu, 2011, Plant Systematics and Evolution.