Li Guoqiang, who holds a doctorate in historical ethnobiology from the Muséum national d'histoire naturelle, is a lecturer at the Université Paris Nanterre and a member of the Centre de recherche sur les civilisations de l'Asie orientale (CRCAO). Her research focuses on exploring the triangular interaction between man, nature and culture in ancient China. Author of numerous articles and books, his work has focused in particular on the mulberry tree, millet, domestic animal sacrifices and calendar phenology. His recent work also includes the history and network of botanical collections made by missionaries of the Paris Foreign Missions in Yunnan and south-west China, and their contributions to modern botanical science.