Walters, D. R. 2011. Plant Defense: Warding off Attack by Pathogens, Herbivores, and Parasitic Plants. Oxford: Wiley-Blackwell.
Walters, R. A., L. R. Gurley, and R. A. Toby. 1974. Effects of caffeine on radiation-induced phenomena associated with cell-cycle traverse of mammalian cells. Biophysical Journal 14: 99–118.
Weckel, M., W. Giuliano, and S. Silver. 2006. Jaguar (Panthera onca) feeding ecology: Distribution of predator and prey through time and space. Journal of Zoology 270: 25–30.
Weiner, J. 1995. The Beak of the Finch: A Story of Evolution in Our Time. New York: Alfred A. Knopf.
Wendel, J. F., C. L. Brubaker, and T. Seelanan. 2010. The origin and evolution of Gossypium. Pp. 1–18 in J. M. Stewart, et al., eds., Physiology of Cotton. Dordrecht, Netherlands: Springer.Whealy, D. O. 2011. Gathering: Memoir of a Seed Saver. Decorah, IA: Seed Savers Exchange.
Whiley, A. W., B. Schaffer, and B. N. Wolstenholme. 2002. The Avocado: Botany, Production and Uses. Cambridge, MA: CABI Publishing.
Whitney, K. 2002. Dispersal for distance? Acacia ligulata seeds and meat ants Iridomyrmex viridiaeneus. Austral Ecology 27: 589–595.
Willis, K. J., and J. C. McElwain. 2002. The Evolution of Plants. Oxford: Oxford University Press.
Willson, M. 1993. Mammals as seed-dispersal mutualists in North America. Oikos 67: 159–167.
Wing, L. D., and I. O. Buss. 1970. Elephants and forests. Wildlife Monographs 19: 3–92.
Woodburn, J. H. 1999. 20th Century Bioscience: Professor O. J. Eigsti and the Seedless Watermelon. Raleigh, NC: Pentland Press.
Wrangham, R. W. 2009. Catching Fire: How Cooking Made Us Human. New York: Basic Books.
—. 2011. Honey and fire in human evolution. Pp. 149–167 in J. Sept and D. Pilbeam, eds., Casting the Net Wide: Papers in Honor of Glynn Isaac and His Approach to Human Origins Research. Oxford: Oxbow Books.
Wrangham, R. W., and R. Carmody. 2010. Human adaptation to the control of fire. Evolutionary Anthropology 19: 187–199.
Wright, G. A., D. D. Baker, M. J. Palmer, D. Stabler, et al. 2013. Caffeine in floral nectar enhances a pollinator’s memory of reward. Science 339: 1202–1204.
Yadin, Y. 1966. Masada: Herod’s Fortress and the Zealots’ Last Stand. New York: Random House.
Yafa, S. 2005. Cotton: The Biography of a Revolutionary Fiber. New York: Penguin.
Yarnell, R. A. 1978. Domestication of sunflower and sumpweed in eastern North America. Pp. 289–300 in R. I. Ford, ed., The Nature and Status of Ethnobotany. Anthropological Papers No. 67. Ann Arbor: University of Michigan Museum of Anthropology.
Yashina, S., S. Gubin, S. Maksimovich, A. Yashina, et al. 2012. Regeneration of whole fertile plants from 30,000-y-old fruit tissue buried in Siberian permafrost. Proceedings of the National Academy of Sciences 109: 4008–4013.
Young, F. 1906. Christopher Columbus and the New World of His Discovery. London: E. Grant Richards.
Zacks, R. 2002. The Pirate Hunter: The True Story of Captain Kidd. New York: Hyperion.
