@article {37481,
	title = {Habitat limitations of Sphagnum along climatic, chemical, and physical gradients in mires of western Canada},
	volume = {93},
	year = {1990},
	pages = {7-22},
	publisher = {The Bryologist},
	url = {http://www.jstor.org/pss/3243564},
	author = {Gignac, L. Dennis and Vitt, Dale H.}
}
