@article {3576,
	title = {Geographical barriers and climate influence demographic history in narrowleaf cottonwoods},
	journal = {Heredity},
	volume = {114},
	year = {2015},
	pages = {387-396},
	author = {Evans, Luke M and Allan, Gerard J and DiFazio, Steve P and Slavov, GT and Wilder, JA and Floate, Kevin D and Rood, Stewart B and Whitham, Thomas G}
}
