@article {3549,
	title = {Leaf Phenology in Relation to Canopy Closure in Southern Appalachian trees},
	journal = {American Journal of Botany},
	volume = {95},
	year = {2008},
	note = {Figures },
	month = {November},
	pages = {1395-1407},
	keywords = {Botany, Ecology, Flora, Trees},
	url = {http://www.amjbot.org/content/95/11/1395.full},
	author = {Lopez, Omar R and Farris-Lopez, Krista and Montgomery, Rebecca
                            A and Givnish, Thomas J}
}
@inbook {6259,
	title = {Biomechanical Constraints on Crown Geometry in Forest Herbs},
	booktitle = {On the Economy of Plant Form and Function},
	year = {1986},
	pages = {525-583},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	chapter = {16},
	address = {Cambridge},
	keywords = {Flora -- Reproduction, Flowering plants, Forest canopy, Trillium},
	author = {Givnish, Thomas J},
	editor = {Givnish, Thomas J}
}
