@book {914,
	title = {Lichen Flora of the Greater Sonoran Desert Region.},
	series = {Lichen Flora of the Sonoran Desert Region},
	volume = {2},
	year = {2004},
	pages = {742},
	publisher = {Lichens Unlimited, University of Arizona},
	organization = {Lichens Unlimited, University of Arizona},
	address = {Tempe},
	author = {Nash III, T. H. and Ryan, B. D. and Diederich, P. and Gries, C. and Bungartz, F.}
}
@article {891,
	title = {Angiactis, a new crustose lichen genus in the family Roccellaceae with species from Bermuda, the Galapagos Islands, and Australia.},
	journal = {The Bryologist},
	volume = {111},
	year = {2008},
	pages = {510-516},
	author = {Aptroot, A. L. and Sparrius, S. and LaGreca, S. and Bungartz, F.}
}
