@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 {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.}
}
