@article {41103,
	title = {Potentially trackable plant communities: foothills and rocky mountain natural regions},
	year = {1997},
	institution = {Prepared for Alberta Natural Heritage Information Centre},
	url = {http://www.tpr.alberta.ca/parks/heritageinfocentre/docs/trackrep_downing.pdf},
	author = {Downing, D.}
}
