@article {4574,
	title = {Molecular studies on Punctelia species of the Iberian Peninsula, with an emphasis on specimens newly colonizing Madrid},
	journal = {Lichenologist},
	volume = {36},
	year = {1999},
	pages = {299-308},
	issn = {0024-2829},
	doi = {10.1017/S0024282904014434},
	url = {https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0024282904014434},
	author = {Crespo, A. and Divakar, P.K. and Arg{\"u}ello, A. and Gasca, C. and Hawksworth, D.L.}
}
