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@book {683,
	title = {American Arctic Lichens I. The Macrolichens},
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@article {730,
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@book {1425,
	title = {Greenland Lichens},
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	pages = {124},
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@article {1449,
	title = {Lichens of southeastern Alaska : an inventory},
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	month = {09/1994},
	pages = {145},
	publisher = {USDA Forest Service. Alaska Region. Stikine Area},
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	author = {Linda H. Geiser and Karen L. Dillman and Chiska C. Derr and Mary C. Stensvold}
}
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	chapter = {138},
	url = {http://www.jstor.org/stable/pdfplus/3243751.pdf},
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@book {1453,
	title = {Lichens},
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	year = {2000},
	pages = {288},
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	author = {Oliver Gilbert}
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@article {732,
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