@article {121,
	title = {<em>Pseudocyphellaria dissimilis</em>: A Desiccation-Sensitive, Highly Shade-Adapted Lichen from New Zealand},
	journal = {Oceologia},
	volume = {85},
	year = {1991},
	pages = {498-503},
	chapter = {498},
	url = {http://www.jstor.org/stable/pdfplus/4219544.pdf},
	author = {T.G.A. Green and Ellen Kilian and O.L. Lange}
}
@book {1211,
	title = {A key to the Microlichens of India, Nepal, and Sri Lanka},
	series = {Bibliotheca Lichenologica},
	volume = {40},
	year = {1991},
	author = {Awasthi, Dhar Dharani}
}
@article {650,
	title = {Lichens of Attu Island, Alaska},
	journal = {The Bryologist},
	volume = {94},
	number = {4},
	year = {1991},
	pages = {421-426},
	chapter = {421},
	url = {http://www.jstor.org/stable/pdfplus/3243837.pdf},
	author = {Talbot, Stephen S. and Sandra Looman Talbot and Thomson, John W.}
}
@article {671,
	title = {New Lichens and Lichen Records from New Guinea},
	journal = {Willdenowia},
	volume = {20},
	number = {1/2},
	year = {1991},
	pages = {221-256},
	chapter = {221},
	url = {http://www.jstor.org/stable/pdfplus/3996741.pdf},
	author = {Andr{\'e} Aptroot and Harrie J. M. Sipman}
}
