@article {103,
	title = {Latitudinal decrease in acorn size in bur oak (Quercus macrocarpa) is due to environmental constraints, not avian dispersal},
	journal = {Botany},
	volume = {87},
	year = {2009},
	month = {2009},
	pages = {349-356},
	abstract = {The size of acorns produced by several species of eastern North American oaks decreases with latitude. We investigated three hypotheses for this pattern in the bur oak (Quercus macrocarpa Michx.) using samples collected over 2 years throughout the species},
	author = {Koenig, W.D. and Knops, J.M.H. and Dickinson, J.L. and Zuckerberg, B.}
}
