@article {4470,
	title = {The genus Porpidia in northern and western Europe, with special emphasis on collections from the British Isles},
	journal = {Lichenologist},
	volume = {37},
	year = {2005},
	pages = {1 -35},
	issn = {0024-2829},
	doi = {10.1017/S0024282904014628},
	url = {https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0024282904014628},
	author = {Fryday, A.M.}
}
@article {3396,
	title = {Lichens of the Coniston copper mines},
	journal = {Lichenologist},
	volume = {17},
	year = {1985},
	pages = {221-237},
	issn = {0024-2829},
	doi = {10.1017/S0024282985000299},
	url = {http://www.journals.cambridge.org/abstract_S0024282985000299},
	author = {Purvis, O.W. and James, P.W.}
}
@article {2855,
	title = {Porpidia irrigua, a new species related to P. contraponenda},
	journal = {Lichenologist},
	volume = {46},
	year = {2014},
	pages = {269-284},
	issn = {0024-2829},
	doi = {10.1017/S0024282914000073},
	url = {http://www.journals.cambridge.org/abstract_S0024282914000073},
	author = {Orange, A.}
}
@article {2402,
	title = {New taxa, reports, and names of lichenized and lichenicolous fungi, mainly from the Scottish Highlands},
	journal = {Lichenologist},
	volume = {44},
	year = {2012},
	pages = {723-737},
	issn = {0024-2829},
	doi = {10.1017/S0024282912000369},
	author = {Fryday, A.M. and Coppins, B.J.}
}
