No access restrictions Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu
Ayensu, Edward S. 1981. "The Terrestrial Greenhouse." In Fire of Life. The Smithsonian Book of the Sun. 134–141. Washington, D.C.: Smithsonian Exposition Books.
Ayensu, Edward S. 1980. "Evaluating Impacts on Endangered and Threatened Flora." In Biological Evaluation of Environmental Impact. 129–132. Washington, D.C.: Council on Environmental Quality and Fish and Wildlife Service, U.S. Department of Interior.
Ayensu, Edward S. 1979. "Plants for Medicinal Uses—With Special Reference to Arid Zones." In Arid Land Plant Resources. 117–118. Lubbock, Texas: Texas Tech University.
Jenkins, Dale W. and Ayensu, Edward S. 1975. "The Nation's First Census of Endangered Plants Finds One-Tenth May be Marked for Extinction." Smithsonian, 5, (10), 92–96.
Ayensu, Edward S. 1973. "Phytogeography and Evolution of the Velloziaceae." In Comparative Evolution of Tropical Forest Ecosystems in Africa and South America. Meggers, Betty J., Ayensu, Edward S., and Duckworth, W. Donald, editors. 105–119. Washington: Smithsonian Press.
Ayensu, Edward S. 1970. "Comparative Anatomy of Dioscorea rotundata and Dioscorea cayenensis." In New Research in Plant Anatomy. Robson, N. K. B., editor. 127–136. Academic Press.
Fosberg, F. Raymond. 1973. "Temperate Zone Influence on Tropical Forest Land Use: A Plea for Sanity." In Tropical Forest Ecosystems in Africa and South America. Meggers, Betty J., Ayensu, Edward S., and Duckworth, W. Donald, editors. 345–350. Washington: Smithsonian Press.
Meggers, Betty J. and Evans, Clifford. 1973. "Some Problems of Cultural Adaptation in Amazonia with Emphasis on the Pre-European Period." In Tropical Forest Ecosystems in Africa and South America: A Comparative Review. Meggers, Betty J., Ayensu, Edward S., and Duckworth, W. Donald, editors. 311–320. Smithsonian Institution Press.
