@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.} }