Chemical and genetic study of Ligularia duciformis and related species in Sichuan and Yunnan Provinces of China - Nagano, H; Hanai, R; Yamada, H; Matsushima, M; Miura, Y; Hoya, T; Ozawa, M; Fujiwara, M; Kodama, H; Torihata, A; Onuki, H; Nezu, Y; Kawai, S; Yamazaki, M; Hirota, H; Saito, Y; Tori, M; Ohsaki, A; Gong, X; Kuroda, C (Chem Biodivers, 2012)