@article {39781,
	title = {Ecotype dimensions of peatland bryophyte indicator species along gradients in the Mackenzie River Basin},
	volume = {98},
	year = {1995},
	pages = {437-451},
	publisher = {The Bryologist},
	url = {http://www.jstor.org/pss/3244382},
	author = {Nicholson,  B.J. and Vitt, D. H.}
}
