Ethnobotany in the neotropics : proceedings, Ethnobotany in the Neotropics Symposium, Society for Economic Botany, 13-14 June 1983, Oxford, Ohio, U.S.A. - Prance, Ghillean T.; Kallunki, J. A. (Jacquelyn A.); Ethnobotany in the Neotropics Symposium; Society for Economic Botany (U.S.); New York Botanical Garden (Advances in economic botany, 1984)