Dr. Angkhana Inta is an assistant professor in Biodiversity and Ethnobiology. She obtained her Ph.D. from the Faculty of Science, Chiang Mai University. She was a visiting student of Kunming Institute of Botany, China, and the Department of Biology, Aarhus University, Denmark. Her field of interest is investigating, comparing, and scientifically validating the ethnobotanical knowledge of each ethnic group in northern Thailand. The relation between the knowledge and plant resources of each ethnic group in northern Thailand is investigated. Valuable data of traditional knowledge, especially medicinal plants from various ethnic groups, is provided to local communities for self-medication and hospitals for alternative treatment.