@article {40819,
	title = {Attributes of rarity among Alberta mosses: patterns and prediction of species diversity},
	volume = {100},
	year = {1997},
	pages = {1-12},
	publisher = {The Bryologist},
	url = {http://www.jstor.org/stable/3244531?seq=3},
	author = {Vitt, Dale H. and Belland, Ren{\'e}}
}
