@inbook {5411,
	title = {Cercidospora},
	booktitle = {Lichen Flora of the Greater Sonoran Desert Region},
	volume = {2},
	year = {2004},
	pages = {635-639},
	publisher = {Lichens Unlimited},
	organization = {Lichens Unlimited},
	address = {Tempe, Arizona},
	isbn = {0-9716759-1-0},
	author = {Navarro-Rosin{\'e}s, P. and Calatayud, V. and Hafellner, J.}
}
@inbook {5014,
	title = {Abrothallus},
	booktitle = {Lichen Flora of the Greater Sonoran Desert Region},
	volume = {2},
	year = {2004},
	pages = {626-630},
	publisher = {T.H. Nash (Lichens Unlimited)},
	organization = {T.H. Nash (Lichens Unlimited)},
	address = {Tempe, Arizona},
	author = {Diederich, P.}
}
@inbook {4647,
	title = {Protoparmelia},
	booktitle = {Lichen Flora of the Greater Sonoran Desert Region},
	volume = {2},
	year = {2004},
	pages = {425-430},
	publisher = {Lichens Unlimited},
	organization = {Lichens Unlimited},
	address = {Tempe, Arizona},
	author = {Ryan, B.D. and Nash, T.H. and Hafellner, J.}
}
