@article {3176,
	title = {Higher photosynthetic capacity from higher latitude: foliar characteristics and gas exchange of southern, central and northern populations of Populus angustifolia},
	journal = {Tree Physiology},
	volume = {35},
	year = {2015},
	pages = {936-948},
	author = {S. Kaluthota and D.W. Pearce and L.M. Evams and Letts, M.G. and T.G. Whitham and S.B. Rood}
}
