@article {3529,
	title = {Single origin and subsequent diversification of central Andean endemic Umbilicaria species},
	journal = {Mycologia},
	volume = {103},
	year = {20112011},
	pages = {45-56},
	issn = {0027-5514},
	doi = {10.3852/10-012},
	url = {http://www.mycologia.org/cgi/doi/10.3852/10-012},
	author = {Hestmark, G. and Miadlikowska, J. and Kauff, F. and Fraker, E. and Molnar, K. and Lutzoni, F.}
}
@article {3528,
	title = {Phylogenetic analysis of the lichen family Umbilicariaceae based on nuclear ITS1 and ITS2 rDNA Sequences},
	journal = {Lichenologist},
	volume = {31},
	year = {1999},
	pages = {477-489},
	issn = {0024-2829},
	doi = {10.1017/S0024282999000638},
	url = {http://www.journals.cambridge.org/abstract_S0024282999000638},
	author = {Ivanova, N.V. and Depriest, P.T. and Bobrova, V.K. and Troitsky, A.V.}
}
@inbook {3527,
	title = {Umbilicaria},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Hitch, C.J.B. and Purvis, O.W.}
}
@article {2921,
	title = {The systematic position of Lasallia caroliniana (Tuck.) Davydov, Per{\v s}oh \& Rambold comb. nova and considerations on the generic concept of Lasallia (Umbilicariaceae, Ascomycota)},
	journal = {Mycological Progress},
	volume = {9},
	year = {2010},
	pages = {261-266},
	issn = {1617-416X},
	doi = {10.1007/s11557-009-0636-y},
	url = {http://link.springer.com/10.1007/s11557-009-0636-y},
	author = {Davydov, E.A. and Per{\v s}oh, D. and Rambold, G.}
}
@article {2920,
	title = {Lasallia hispanica and related species},
	journal = {Lichenologist},
	volume = {21},
	year = {1989},
	pages = {45-58},
	issn = {0024-2829},
	doi = {10.1017/S002428298900006X},
	url = {http://www.journals.cambridge.org/abstract_S002428298900006X},
	author = {Sancho, L.G. and Crespo, A.}
}
@article {2919,
	title = {Sex, size, competition and escape: strategies of reproduction and dispersal in Lasallia pustulata (Umbilicariaceae, Ascomycetes)},
	journal = {Oecologia},
	volume = {92},
	year = {1992},
	pages = {305-312},
	author = {Hestmark, G.}
}
@inbook {2918,
	title = {Lasallia},
	booktitle = {Lichens of Great Britain \& Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Hitch, C.J.B. and Purvis, O.W.}
}
