@article {669,
	title = {Regional Gradients in Lichen Communities of the Southeast United States},
	journal = {The Bryologist},
	volume = {100},
	number = {2},
	year = {1997},
	pages = {145-158},
	chapter = {145},
	url = {http://www.jstor.org/stable/pdfplus/3244043.pdf},
	author = {Bruce McCune and Susan Will-Wolf and Jonathan Dey and Jeri Peck and Karin Heiman}
}
