References
Yu, Y., S.R. Downie, X. He, X. Deng, and L. Yan. 2011. Phylogeny and biogeography of Chinese Heracleum (Apiaceae tribe Tordylieae) with comments on their fruit morphology. Plant Syst. Evol. Google Scholar
Yu, Y., S.R. Downie, X. He, X. Deng, and L. Yan. 2011. Phylogeny and biogeography of Chinese Heracleum (Apiaceae tribe Tordylieae) with comments on their fruit morphology. Plant Syst. Evol. Google Scholar