1. Amorozo, M. C. de Mello, and A. Gély. 1988. Uso de plantas medicinais por caboclos do Baixo Amazonas, Barcarena, Para, Brazil. Boletim do Museu Paraense Emilio Goeldi, Série Botanica 4:47–130.
2. Anderson, E. F. 1986. Ethnobotany of Hill tribes of northern Thailand. II. Lahu medicinal plants. Economic Botany 40:442–540.
3. Ashton, P. S. 1992. Species richness in plant communities. Pages 4–22in P. L. Fielder and S. K. Janin, eds., Conservation biology. Routledge, Chapman and Hall, Inc., New York.
4. Balée, W. 1989. The culture of Amazonian forests. Advances in Economic Botany 7:1–21.
5. Barrett, B. 1994. Medicinal plants of Nicaragua’s Atlantic coast. Economic Botany 48:8–20.