@book {1290,
	title = {The Lichens of Italy: An annotated catalogue},
	series = {Museo Regionale Di Scienze Naturali},
	volume = {12},
	year = {1993},
	address = {Torino},
	issn = {88-86041-02-0},
	author = {P.L. Nimis}
}
@book {1453,
	title = {Lichens},
	series = {The new naturalist},
	year = {2000},
	pages = {288},
	publisher = {HarperCollins},
	organization = {HarperCollins},
	address = {London},
	isbn = {0002200821},
	author = {Oliver Gilbert}
}
@book {1154,
	title = {The Macrolichens of New England},
	series = {Memoirs of the New York Botanical Garden},
	volume = {96},
	year = {2007},
	publisher = {The New York Botanical Garden Press},
	organization = {The New York Botanical Garden Press},
	address = {China},
	author = {James W. Hinds and Patricia L. Hinds}
}
